SWITCHES SWITCHES SWITCHES. AIR, CYCLING, CUT-OFF, SENSORS, TEMPERATURE, and TRANSDUCERS Miscellaneous Specifications Chart

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1 AIR, CYCLING, CUT-OFF, SENSORS, TEMPERATURE, and TRANSDUCERS Miscellaneous Specifications Chart ACTUATORS , 556 AIR OPERATED AIR SENSING APADS MISCELLANEOUS Air Control Switches and Cylinders Louvers and Diffusers Re-Circulation Door/Gasket Switch Control Knobs PRESSURE HIGH - LOW PRESSURES Pressure Switch Identification Pressure Specifications Visual Numerical Identification BINARY/TRINARY BLOWER - Rocker, Rotary, Toggle Specifications Visual Numerical Identification CIRCUIT BREAKERS CONTROL / PANELS (Actuators, CTC Components, Push Button) INDEX KNOBS - SWITCH CONTROLS LOUVERS and DIFFUSERS MICRO and CLUTCH RELAYS RESISTORS SOLENOID VALVES and DIAGRAM SWITCH PLATES TEMPERATURE SENSORS and PROBES THERMISTER/TEMP. SENSORS THERMOSTATIC TOGGLE TRANSDUCERS WIRING COMPONENTS (Connectors, Harnesses, Pigtails) 547

2 Listed in ascending order by part number. Air Operated Switches 2009 Air Cylinder Action... Double Diameter Length Fitting... 1/8 Nylon Hose Push-In 2010 Air Control Switch Fitting... 1/8 Threads Black Toggle Round Plastic Lever 2012 Air Cylinder Action... Single Diameter Length Stroke Fitting... 3/16 Push-In 2013 Air Cylinder Action... Single Diameter Length Stroke Fitting... 1/8 NPT Thread 2014 Air Cylinder Action... Single Diameter Length Stroke Fitting... 1/8 Push-In 2015 Air Cylinder Action... Double Diameter Length Stroke Fitting... 1/8 Push-In 2016 Air Cylinder Action... Double Diameter Length Stroke Fitting... 3/16 Push-In 2017 Air Cylinder Action... Dual Shaft Diameter Length Stroke Fitting... 3/16 Push-In 2018 Air Cylinder Action... Double Diameter Length Fitting... 3/16 Push-In 2019 Air Cylinder Action... Dual Shaft Diameter Length Fitting... 3/16 Push-In 2020 Air Control Switch Fitting... 1/8 Threads Chrome Toggle 2021 Air Control Switch Fitting... 1/8 Threads w/guard, 100psi Black Toggle Plastic Lever 2024 Air Switch Assembly Fitting... 1/8 Threads Black Toggle Plastic Lever 2025 Air Switch Assembly Push-on Connectors 2026 Air Control Switch Fitting... 1/8 Threads Black Toggle Plastic Lever 2027 Air Control Switch Fitting... 1/8 Threads Black Toggle Flat Plastic Lever 548

3 Listed in ascending order by part number (continued). Air Operated Switches 2028 Air Cylinder Action... Single Fitting... 5/8 Threads used on Duct Assm. FLD Series Frghtlnr BOA , ABPN ; H Air Cylinder Freightliner OE# BOA , , BCY8D 2040 Air Control Switch Chrome Push Button Momentary Off - Constant On 2051 Air Control Service Kit Air Sensing Switches and Solenoid Valves (also see diagram on page 586) AN AIR OPERATED SOLENOID VALVE is an electronic control used to operate (engage & disengage) the air actuated engine fan clutch and/or radiator shutters on the vehicle. It can be plumbed to operate in either a normally open (N.O.) or normally closed (N.C.) position, depending upon the type of fan on the vehicle, and the specific inlet port used on the solenoid. Preferred Mounting Position - Cap Down Coil Adjust Set Screw CW = Warmer CCW = Cooler outlet N.O. Contact N.O. Contact 1655 Refrigerant Solenoid Liquid Line Applications 12v, #6 Male Inserrt O ring 2002 Air Solenoid Valve, 12v Normally Open or Closed 1/8 Threads w/o diode 2003 Air Solenoid Valve, 12v Normally Open or Closed 1/8-27 Female 1/8-27 Female 1/8-27 Male 2003K Universal Solenoid Kit Air operated w/connector kit 2 bare wires, 12v 2004 Air Sensing Switch, NO Male 1/8-27 NPTF Closed between 20-30psi 2005 Air Sensing Switch, NC Male 1/8-27 NPTF Opens at 25psi 2006 Solenoid Valve, NO, 12 volt Continuous Duty, 80/50 AMP 5/16-24 UNF Thrds Single Pole, 3 Terminal O.E Solenoid Valve, NO, 24 volt Continuous Duty, 50/50 AMP 5/16-24 UNF Thrds Single Pole, 3 Terminal O.E Vacuum Solenoid ProAir OE# H Harness for Vacuum Solenoid ProAir OE# Solenoid, 12v, w/diode 1/8-27 Female 1/8-27 Female 1/8-27 Male International OE# C Solenoid, 12v, w/diode 1/4-1/8 Female Exh. Muffler 1/8-27 Female PACCAR OE#

4 Blower Switch Specifications Toggle, Lever Style Sorted by number of terminals. Rocker Style (continued) Sorted by number of terminals. TYPE TERMINALS PART# FUNCTION COMMENTS TYPE TERMINALS PART# FUNCTION COMMENTS Toggle ON-OFF Universal Toggle ON-OFF-ON Universal Toggle ON-OFF-ON Peterbilt Toggle ON-OFF-ON Lever Chev/GMC Toggle ON-ON-ON Lever Position Chev/GMC Lever Position Chev/GMC Lever Position Chev/GMC Lever Position Ford Lever Position Ford Toggle ON-OFF-ON Lever Position Chev/GMC Lever Position long shaft Toggle ON-OFF Lever OFF-ON-ON-ON Toggle ON-OFF-ON Toggle ON-OFF-ON Lever OFF-ON-ON-ON Lever OFF-ON-ON-ON Lever OFF-ON-ON-ON bent lever Lever OFF-ON-ON Lever OFF-ON-ON-ON Toggle ON-OFF-ON Lever OFF-ON-ON-ON Lever OFF-ON-ON-ON Rocker Style Rocker OFF-ON Volvo Rocker ON-ON Rocker w/2 air lines Freightliner Rocker ON-ON (illuminated) 12v, 15amp Rocker ON-OFF-ON 15 AMP Rocker ON-ON 24v Rocker OFF-ON-ON 12v Rocker OFF-ON-ON 24v Rocker OFF-ON-ON Rocker ON-OFF-ON Rocker ON-ON Rocker ON-OFF-ON Rocker Freightliner Rocker Freightliner Rocker Freightliner Rocker Air control Freightliner Rocker Fan control Peterbilt Rocker OFF-ON-ON-ON Peterbilt Rocker positions TransAir Rocker positions TransAir Rotary Style TYPE TERMINALS PART# FUNCTION COMMENTS Rotary 3 Pin Freightliner Rotary 3 Pin Aux. Potentiometer (rear) Freightliner Rotary 3 Pin 1568 Main, Evap Fan Navistar Rotary 3 Pin 1569 Aux., Evap Fan Navistar Rotary speed 12v w/resistor Rotary speed, fan 12v/24v Rotary Blower Ford/Sterling Rotary Front fan Ford E-Models Rotary Front fan Ford E-Models Rotary Chev/GMC Rotary speed Long threads Rotary speed Short threads Rotary Blower switch harness Rotary speed GMC/Volvo Rotary TANDEM 12v w/resistor Rotary TANDEM 24v w/resistor Rotary 6 Pin 1116 Fan Freightliner Rotary A w/harness kit Kenworth Rotary B w/harness kit Kenworth Rotary Blower switch Mack Rotary Blower switch Freightliner Rotary A w/harness Freightliner Rotary Cab control Kenworth Rotary Bunk temp. Kenworth Rotary Bunk fan w/harness Kenworth Rotary speed w/wiring harness, 12v Rotary Blower switch w/harness 550

5 Listed in ascending order by part number. Blower Switches SPST = single pole, single throw SPDT = single pole, double throw DPST = double pole, single throw DPDT = double pole, double throw 1016 Fan Switch for Auxiliary Heater, 12/24 volt, 15 AMP (decal included) 2 speed, 4 Terminal 1018 Blower Switch, 3 pin Frghtinr Columbia/Coronado Toggle Switch, SPST 2 Terminal ON-OFF 1021 Toggle Switch, SPDT 12/24 volt 3 Terminal ON-OFF-ON 1025 Toggle Switch, SPDT 12/24 volt 3 Terminal ON-OFF-ON 1026 Toggle Switch, DPDT 12/24 volt 5 Term. ON-OFF-ON 1028 Toggle Switch, DPDT 12/24 volt (chrome knob w/cover) 4 Terminal ON-ON-ON 1030 Toggle Switch, SPDT (chrome) 12/24 volt 3 Terminal ON-OFF-ON 1032 Lever Blower Switch 4 Terminal 4 Positions Chev/GMC Lever Blower Switch 4 Terminal 4 Positions Chev/GMC Blower Switch 3 Terminal Chev/GMC Blower Switch 4 Terminal 4 Positions Chev/GMC Blower Switch (harness #1534, knob #1270) 4 Terminal 4 Positions F0HZ-19986A; YH Blower Switch 4 Terminal 4 Positions F D3AZ-19986A 1040 Toggle Switch, DPDT 4 Terminal ON-OFF-ON RD Lever Blower Switch 4 Terminal 4 Positions Chev/GMC Blower Sw. (long shaft) 4 Terminal 4 Positions F D5AZ-19986A 1044 Toggle Switch 4 Term. 2 Pos. ON-OFF Peterbilt KB 1045 Toggle Switch, DPDT (black) 12/24 volt 5 Term. ON-OFF-ON 1050 Toggle Switch, SPST, 12/24v 5 Term. OFF-ON-ON-ON harness #1055H, knob #1270 Kenworth K301-19; 65209P 551

6 Listed in ascending order by part number (continued). Blower Switches (continued) SPST = single pole, single throw SPDT = single pole, double throw DPST = double pole, single throw DPDT = double pole, double throw 1055 Blower Fan Switch, 12/24 volt 5 Term. OFF-ON-ON-ON harness #1055H, knob #1270 KW W KB 1056 Blower Switch 5 Term. OFF-ON-ON-ON 1058 Blower Switch 5 Term. OFF-ON-ON Ford L Ser. D0AZ-19986A 1060 Toggle Switch, DPDT (chrome) 12/24 volt 6 Terminal ON-OFF-ON Kysor ; Blower Switch 5 Terminal GM ; Toggle Switch, DPDT 12/24 volt (knob #1270) 10 Term. OFF-ON-ON-ON 71R Blower Switch 4 Term. OFF-ON-ON-ON IHC Transtar 1081 Blower Switch, 5 Term. OFF-ON-ON-ON IHC Nav C Blower Fan Sw, 10 Term. OFF-ON-ON-ON IHC/Navistar C Rocker Switch, SPST 12 volt 2 Terminal ON-ON 1104 Rocker Switch, SPDT 12 volt, 15 AMP 3 Terminal ON-OFF-ON 1105 Rocker Switch, DPDT 12 volt, 15 AMP 5 Terminal ON-OFF-ON 1106 Rocker Switch, DPDT 12 volt 6 Terminal ON-OFF-ON 1107 Rocker Switch, DPST 12 volt 5 Terminal ON-ON 1109 Rocker Switch, DPDT (illuminated) 12 volt 4 Terminal OFF-ON-ON 1110 Rocker Switch, DPDT (illuminated) 24 volt 4 Terminal OFF-ON-ON 1111 Rocker Switch, SPST 12 volt 4 Terminal OFF-ON-ON 1112 Rocker Switch - Bunk 10 Terminal Frghtlnr A Rocker Switch 2 Term. with 2 air lines Frghtlnr ABPN Rocker Switch Air Control Frghtlnr ABPN

7 Listed in ascending order by part number (continued). Blower Switches (continued) SPST = single pole, single throw SPDT = single pole, double throw DPST = double pole, single throw DPDT = double pole, double throw 1115 Rocker Switch 9 Terminal Frghtlnr A Rotary Fan Switch, 6 Pin Frghtlnr A Fan Control, SPST 5 Terminal Peterbilt #CCH33P Fan Control, SPDT 5 Terminal OFF-ON-ON-ON Peterbilt #CCH52P Cab Control Switch Kenworth BSM Long Shank Short Shank 1146 Temp. Circuit Board Sw Kenworth BSM 1149 Bunk - Fan Control w/harness Peterbilt #BCH56P Universal - Long Shank Rotary Switch 5 Term., 3 spd 12v / 24v, 20 AMP 1151 Universal - Short Shank Rotary Switch 5 Term., 3 speed 12v / 24v, 20 AMP 1152 Blower Switch Harness A/C Industries terminal connector (Fits 1150 & 1151) v, 18 AMP, 3 Terminal Universal Rotary Switch 3 Speed w/resistor 1157 Rotary Switch, 12 volt 3 Speed w/wiring Harness Frghtlnr A A Rotary Switch 7 Terminal w/harness Frghtlnr BOA v, 15 AMP, 5 Terminal Rotary Blower Switch TANDEM 3 Spd w/resistor Kysor v, 10 AMP, 5 Terminal Rotary Blower Switch TANDEM 3 Spd w/resistor Kysor Rotary Blower Switch 5 Terminals 3 Speed Volvo/GMC Rocker Switch 2 Terminal ON-OFF Volvo V A Rotary Switch Kit, 6 Terminal Peterbilt # B Rotary Switch Kit, 6 Terminal Kenworth F Front Fan - Ford E-Series 4 terminal F4UZ-19986A; YH

8 Listed in ascending order by part number (continued). Blower Switches (continued) SPST = single pole, single throw SPDT = single pole, double throw DPST = double pole, single throw DPDT = double pole, double throw 1171 Front Fan - Ford E-Series 4 terminal E6DZ-19986A; YH Blower Switch 4 terminal, 3 speed F-150/350; Sterling F4DZ-19986A; YH Rocker Switch - SPST 24 volt, Amber light 4Terminal ON-OFF 1568 Aux. Fan Blower Switch Main Evap Fan, 3 Pin Navistar Prostar C Aux. Temp Control Switch Aux. Evap Fan, 3 Pin Navistar Prostar C Blower Switch, 6 Terminal Mack OE# Fan Switch Assy & Harness for Carrier AC Control Panel OE# Blower Switch, 6 Terminal Freightliner OE# BOA OE# OE# Rocker Switch, 12 volt 6 Terminal, 3 Positions TransAir Potentiometer AUX (rear) 3 Pin, 12v Freightliner OE# BOAA5029; Rocker Switch-Illuminated 12 volt, Blue light, 15 amp SPST=single pole, single throw 3 Terminal, ON-OFF RED DOT O.E. RD Switch Knobs, see page 563. Blower Switch Face Plates 1770 Switch plate rectangle 1771 Switch plate square 1772 Switch plate round Switch Plate Harness Kit 554

9 Listed in ascending order by part number. Circuit Breakers PUSH TO RESET PUSH TO RESET AUTOMATIC RESET voltage up to 24v (metal) PUSH TO RESET AMP, 12v AMP, 12v AMP, 12v AMP, 12v/24v AMP, 12v/24v AMP, 12v/24v AMP, 12v AMP, 12v AMP, 12v AMP, 12v PUSH TO RESET voltage up to 24v AUTOMATIC RESET voltage up to 24v AMP, 12v/24v AMP, 12v/24v AMP, 12v/24v 1203C AMP, 12v/24v AMP, 12v/24v Manual Reset Carrier/TransAir 1201A AMP, 12v/24v 1202A AMP, 12v/24v 1202B AMP, 12v/24v 1203A AMP, 12v/24v call AMP, 12v/24v 1204A AMP, 12v/24v Automatic Reset Carrier/TransAir 1360 Circuit Breaker, 12v Freightliner OE# AMP, 12v Circuit Breaker Plug-In Type Non-cycling Type II IHC / NAVISTAR OE# C Circuit Breaker Midi Fuse 12 volt, 175 amp Bolt on, space saving fuse for high current wiring protection and time delay. Freightliner OE#

10 Listed in ascending order by part number (continued). Control Switches and Panels A/C Control Assembly Bus Systerm, 12v 1180 CTC Resistor Kit 1185 Sleeper Control 1186 Resistor Diode 1187 Push Button Fan Switch 4 Terminal, 3 Button 1190 Bunk Switch (CTC) Freightliner w/behr OE# A A A/C Control Panel Assembly (Fits: 1324 and terminal switches) Mack OE# F Blower Control Assy (Micro Switch #1241) Mack OE# AC Control Assy - Dash Freightliner Cascadia OE# A ; A Actuator Service Kit, N.C. Freightliner Cascadia OE# VCCT D 1322 Control Stepper Motor, N.C. Freightliner Columbia OE# BOA A Actuator, 6 pin Behr/Volvo VNT OE# A C Control Switch, Potentiometer 12 volt, 7 Terminal Freightliner OE# N , BOA A/C Control Panel Assembly Navistar OE# C Heater Constant Discharge Sensor - Aux AC Navistar Prostar OE# C A/C Control Panel Assembly (Micro Switch #1242) (Rotary Switch #1151) OE# ABPN ; ; BOA A/C Control Panel Assembly Kenworth OE# F A/C Control Panel - 2 open slots Freightliner OE# A Actuator Ford/Sterling F7UZ-19E616AA; XC4H-19E616AA Actuator, Stepper Motor 12 volt, 2 pin PACCAR OE# T

11 Listed in ascending order by part number (continued). Control Switches and Panels (continued) A/C Control Panel - 1 open slot Freightliner OE# A ; A ; -209; A/C Control Panel Freightliner OE# A ; A ; A ACU Controller 16 Pin, 12v Freightliner OE# BOA A/C Control Panel Freightliner OE# A BOAK A/C Control Panel Freightliner OE# A A/C Control Panel Freightliner OE# A Blend Door Motor Electric Operated 12 volt, 6 pin Ford Transit Van OE# AV6Z-19E616A A/C Control Panel Morgan Olson Step Vans 557

12 Listed in ascending order by part number (continued). Micro and Clutch Switches wire, 12v A/C Compressor Switch 1236 Universal A/C Switch, 12v 3 Terminal - Illuminated wire, 12v, Illuminated A/C Compressor Switch AMP - 3 Terminals, 12v RD ; VL3L3014-D9; ; BSM 1242 Freightliner BOA ; V7-1C27E9-263; N Listed in ascending order by part number. Relays NC = normally closed NO = normally open SPST = single pole, single throw SPDT = single pole, double throw DPST = double pole, single throw DPDT = double pole, double throw /20 AMP, 24 volt Relay Kit - Weatherproof Seal w/pigtail, w/o Diode 5 wires, 5 Terminal, SPDT (uses 1543 harness, 1262 relay) 1245 Twin-Temp Relay, 12 volt 8 Terminal 1246 Relay, 12 volt, 8 Terminal 1249 Relay, 5 Terminal, SPDT GMC BOSCH Type, 12 volt AMP, w/o Diode 5 Terminal, SPDT (uses #1527 harness) 1250B BOSCH Type, 12 volt, AMP SPDT, 5 Terminal, w/o Diode Carrier , (like #1250 except bracket is on opposite side) 1251 BOSCH Type, 24 volt AMP, 5 Terminal (uses #1527 harness) AMP 12 volt, 5 Terminal w/diode GMC, Volvo 1252A AMP 12 volt, 5 Terminal w/diode Navistar C1 558

13 Listed in ascending order by part number (continued). NC = normally closed Relays (continued) NO = normally open SPST = single pole, single throw SPDT = single pole, double throw DPST = double pole, single throw DPDT = double pole, double throw AMP, 4 Terminal, SP / NO grey (rectangle) Topkick, Kodiak 301-1A-S-R Blower Relay, 5 Terminal CHEV/GMC / UNIVERSAL OE# /40 AMP, 12 volt Relay Kit - Weatherproof Seal w/pigtail, w/o Diode 5 wires, 5 Terminal, SPDT (uses 1543 harness, 1261 relay) /40 AMP, 12v 5 Terminal, w/o Diode Weatherproof, SPDT VF4-65F11-12V /20 AMP, 24v 5 Terminal, w/o Diode Weatherproof, SPDT VF4A-65H11-24V /30 AMP, 12v 5 Terminal, w/diode Weatherproof, SPST VF4-65F11-SO5-12V AMP, 24v 5 Terminal, w/diode Weatherproof, SPST 1265 Freightliner M2 4 Terminal, 70 AMP, SP; NO Sterling F5RZ-14089CB, V23136-J4-X A Relay w/resistor 70 AMP, 12v, 4 Terminal Bus Applications Terminal, 12v, 30/50 AMP, SPDT Freightliner C112, C120 VF2815F14S01, 898-H-1CH-C-R Blower Relay 5 Terminal, 20/10 AMP, SPDT Freightliner , VFM15-F41, , VFM-15-F Terminal, 20/10 AMP, SPDT; NC Freightliner C112, C120 OE# VJ2895-F24-C Relay 30/40 AMP, SPST; NC Navistar C1 4 Terminal/Green VF4-12F21-Z02; V23136-A4-X A/C Relay - 5 Term, 30 AMP, SPDT CHE/GMC , VF2835F14, , Terminal Chev/GMC Terminal, 70 AMP w/diode Normally Open, SPST (uses #1548 harness) Carrier A 70 AMP High Speed Relay & Harness Carrier B 70 AMP High Speed Relay & Harness with in-line fuse Carrier AMP, 12v, Normally Open 4 Terminal, SPST OE# Relay w/resistor 5 Terminal, 40 AMP, SPDT Carrier/Transair ; C1 559

14 Listed in ascending order by part number (continued). NC = normally closed Relays (continued) NO = normally open SPST = single pole, single throw SPDT = single pole, double throw DPST = double pole, single throw DPDT = double pole, double throw 1299 Relay, SPDT w/resistor 5 Terminal, 35/20 AMP Frghtlnr: ; 301-1C-C-R Relay, SPDT w/resistor 5 Terminal, 35/20 AMP Navistar C9; 301-1C-C-R Relay 30 AMP, 12v Weatherpak OE# 4RD Cooling Fan Relay for single fan Sprinter Van OE# Cooling Fan Relay for dual fan Sprinter Van OE# AA volt, 40 AMP Relay, 4 terminal w/bracket Carrier Bus A/C Systems ; V23234-B1001-X Relay, 12 volt, 4 Pin S.P., Normally Open., 20 AMP NAVISTAR PROSTAR C1, 303-1AH-C-R Relay, 12 volt, 4 Pin S.P., Normally Open., 35 AMP NAVISTAR PROSTAR C Relay Assortment volt, 30 AMP Relay, 4 terminal w/bracket Carrier Bus A/C Systems ; V23134B-1052-C642 Kit contains: P/N Description term., 40/30 amp, 12v term., 10/20 amp, 24v term., 30/40 amp, 12v term., 20/40 amp, 12v term., 30/50 amp, 12v term., 20/10 amp term., 20/10 amp, NC term., 70 amp, NO wire, Bosch Mini-Relay Harness Relay, 5 terminal 12 volt; 50/30 amp, SPDT International Navistar OE# C Relay w/resistor 30 amp, 4 terminal (uses #1547 connector) International Navistar OE# C Relay, 5 terminal 12 volt; 35/20 amp Freightliner OE# Relay, 5 terminal 12 volt, 35/20 amp International Navistar OE# C High Current Relay w/resistor 12v, 150 amp International Navistar OE# C Relay w/diode, 12v 4 terminal, 100 amp Freightliner for rear NITE AC System OE# 20SP0974, 20SP Relay, w/resistor, Single Pull, N.O. 5 Terminal, 50 AMP Volvo Trucks 560

15 Listed in ascending order by part number. Resistors 3-3/ Blower Resistor CHEV/GMC OE# Resistor Block-1.80 OHM 4 Terminal, 12v Trans Air, A/C Ind (Can replace ; 3 term) 1156 Blower Resistor, 4 Terminal 12v, 220W, 0.82OHM OE# Blower Resistor Navistar, C Resistor 3 Speed, 3 Terminal 1221 Resistor, IHC 4 Speed, 4 Terminal 1223P Blower Resistor 4 Terminal, 12 volt Peterbilt 5X010040; P93CAA S 1224 Resistor 4 Speed, 4 Terminal Kenworth OE# BSM 1224P Resistor 4 Speed, 4 Terminal Peterbilt OE# Resistor, 4 Terminal Volvo OE# Resistor 3 Speed, 4 Terminal Freightliner 1229 Resistor, Freightliner 4 Speed, 4 Terminal 1230 Resistor, Kysor 3 Speed, 3 Terminal 1231 Blower Resistor 4 Speed, 4 Terminal Mack OE# Resistor, Volvo 3 Speed, 3 Terminal 1234 Resistor, Navistar 3 Speed, 5 Terminal 1238 Blwr Res. Circuit Board 3 Speed, 4 Terminal Frtlnr #BOA Resistor, 5 Terminal Navistar OE# C1 1243A Resistor, 4 Terminal Volvo OE# 91592, Resistor, 4 Terminal Ford/Sterling 4C4H19A-706AA 561

16 Listed in ascending order by part number (continued). Resistors (continued) 1297 Resistor Mack Resistor, 4 Terminal Sprinter Van 2.7TD w/atc 1306 Resistor, 4 Terminal Sprinter Van w/atc 1362 Resistor, 2.36 ohm 4 Terminal, 12 volt Variable Speed, Ceramic 6-1/2 lngth x 1-3/16 dia. J. Deere Crawler/Dozer 650H 1363 Resistor, 5.22 ohm-30w 4 Terminal, 24 volt Ceramic, Variable Speed 7 lngth x 1-1/4 dia. J. Deere Crawler/Dozer 700H ID# ID# 4004 SPAL Blower Motor Resistor Red Dot Units 24 volt, 3 Speed, 4 Terminal ID# ID# 1006 SPAL Blower Motor Resistor 24 volt, 4 Speed, 5 Terminal ID# v ID# v ID# v ID# v SPAL Blower Motor Resistor 3 Speed, 4 Terminal 1521 LPM Module/Resistor 12 volt, 4 spade, 3 pin NAVISTAR PROSTAR OE# C1, K Resistor Isuzu OE# Resistor 5 Terminal, 12v Mack 3543-H Resistor, 4 Terminal E150-E550; F250SD-F750SD OE# 4C2Z-19A706AA; YH Resistor, 5 Terminal PACCAR OE# BSM, CA Blower Resistor 12 volt, 4 Terminal Ford/Sterling Trucks OE# AV1Z-18591A Blower Control Module International Navistar OE# C1; C1; C2 562

17 Listed in ascending order by part number. Knobs 1270 Control Knob Push On Style Red Dot 71R Control Knob - Red Dot 1/4 Shaft Set Screw 1272 Control Knob - Red Dot 1/4 Shaft Set Screw 1273 Control Knob - Kysor 1/4 Shaft Set Screw 1273A Control Knob - Kysor 5/32 Shaft Set Screw 1274 Control Knob - Kysor 1/4 Shaft Push On 1275 Control Knob - Kysor 1/4 Shaft Set Screw 1276 Control Knob - Universal 1/4 Push On 1277 Control Knob - Universal 1/4 Push On 1280 Control Knob - Universal 1/4 Push On 1281 Control Knob - Kysor Push On 1283 Control Knob 1/4 Shaft Push On Kysor OE# A Mack w/bergstrom A/C OE# B Kenworth OE# C Knob Fastener Clip for #1283B knob PACCAR OE# BSM 1285 Control Knob - Kysor Threaded 1286 Control Knob - Kysor 1/4 Shaft Set Screw 1287 Control Knob - Kysor Blue Top 1288 Control Knob - Kysor Threaded /4 Shaft Set Screw 71R4060, RD P 1291A Control Knob - Red Dot 1/4 Shaft Push On 1800 Control Knob - Freightliner OE# Control Knob - Freightliner OE# BOA Red Dot Units Knob OE# 71R Red Dot Units Knob with point indicator OE# RD

18 Listed in ascending order by part number. Recirculation Doors / Louvers / Diffusers 1700 Recirculation Door OE# C1 Navistar 1701 Gasket - Navistar OE#: C /2 Diffuser with base. Includes spring to lock in place. Kysor /16 x 5-7/16 opening Stud Mount - Kysor 1707 Fits 2-1/2 opening Flush Mount with Retaining Ring. Kysor x 9-15/16 opening Snap Mount - Kysor 1709 Fits 1.6 x 5.1 opening Stud Mount - Red Dot 1710 Fits 1-3/4 x 5-1/8 opening Snap Mount - Red Dot /8 x 3-5/8 Stud Mount - Red Dot /16 x 4-25/32 Stud Mount - Red Dot /16 x 5-11/16 opening Clip Mount, 100% Shut Off Red Dot 1714 Fits 2.69 x 6.50 opening Stud Mount - Red Dot Adapter /2 Adapter Duct Hose Adapter Fits 2-1/2 opening Red Dot /2 Flush Mount Diffuser (includes retaining clip) Red Dot /2 Flush Mount Diffuser (includes retaining clip) Red Dot 1721 Fits 2-1/2 x 2-1/2 opening Pivoting Snap Mount Red Dot /2 Defrost Hose Defrost Hose (back is 2-3/8 dia.) /2 Defrost Hose Red Dot x 5-1/2 Snap Mount - Navistar OE# C1 Call for 1726 Availabilty 2-5/8 Diameter Freightliner /4 Diameter Kysor /8 x 5 Snap Mount - Kysor /2 Flush Mount Diffuser (includes retaining clip) Red Dot 564

19 Listed in ascending order by part number (continued). Louvers and Diffusers (continued) 86.5mm 1731 Fits 7-3/8 x 2-7/8 opening Kysor 1732 Fits 3 opening, 4in. Dia Flush Snap Mount UNIVERSAL 1733 Fits 3 opening, 4in. Dia Flush Snap Mount with adapter for 2-1/2 hose UNIVERSAL 1734 Fits 3 opening Includes spring to lock in place. UNIVERSAL /8 x 1-7/8 opening Freightliner OE# /16 x 2-1/4 opening Freightliner OE# ABPN x opening OE# RD x deep opening OE# RD /4 x 1-15/16 opening Freightliner OE# /4 x 1-15/16 opening Freightliner OE# dia. x 2-3/4 Mtg. Hole Freightliner OE# A /8 x 3-3/16 opening Freightliner OE# A /4 x 5-1/2 opening Navistar OE# C Dark grey Freightliner OE# A Light grey Freightliner OE# A Fits: 3-1/2 x 1-1/2 opening KYSOR OE# Ball Louver Mounting Hole: 2-3/4 dia. x 2-1/2 Kysor OE# Dark grey Freightliner OE# A dia. with 2 hose adapter 3 dia. hole opening UNIVERSAL 1751 with 2-1/2 hose adapter Assy-Remont Mount UNIVERSAL 565

20 Pressure Switch Specifications Listed in ascending order by OPEN function. CONFIGURATION OPEN CLOSE FITTING PART# CONNECTOR TYPE NORMALLY OPEN LOW PRESSURE (OPEN LOW - CLOSES HIGH) /4 Fem 1434 Screw Mt Bergstrom /4 Fem 1422 MxF Spade w/harness Bergstrom 6 34 M10 Fem 1441 MxF Spade w/harness Bergstrom 7 28 M10 Fem Bare w/harness Red Dot /4 Fem 1579 MP 2W M w/harness Bobcat /4 Fem 1469 Bare w/harness Bus M12 Fem Pin Green Kenworth /4 Fem 1450 Bare w/harness Red Dot /4 Fem 1425 Bare w/harness Bergstrom M12 Fem PIN Kenworth /4 Fem MB 1F w/harness Peterbilt /4 Fem 1399 WP 2W M w/harness Red Dot M12 Fem PIN Red Dot Male, 3/ Term JDeere /4 Fem 1432 MxF Spade w/harness Bergstrom /4 Male Spade Universal M12 Fem Pin GMC M11x Kubota /4 Fem 1427 WP 2T w/harness Peterbilt /4 Fem 1447 WP 2M w/harness Red Dot M10 Fem 1464 WP 2W M w/harness Red Dot M International M12 Fem Pin GMC M12 Fem Pin Ford Male Term Sprinter Van NORMALLY OPEN HIGH PRESSURE (OPEN LOW - CLOSES HIGH) /4 Fem 1452 MP 2W M w/harness Red Dot /4 Fem 1481 Bare w/harness Peterbilt M10 Fem 1461 MP 2W M w/harness Red Dot /4 Fem 1454 WP 2W F w/harness Freightliner M10 Fem 1446 Bare w/harness Bergstrom /4 Fem 1462 Bare w/harness Bergstrom M10 Fem 1442 Bare w/harness Bergstrom /4 Fem 1455 Screw Mt Kysor M10 Fem 1457 Screw Mt Bergstrom /4 Fem 1468 WP 2W F w/harness Freightliner M10 Fem 1499 WP 2W M w/harness Freightliner /4 Fem 1460 WP 2W M w/harness Peterbilt M10 Fem Pin Navistar IHC /4 Fem 1474 MxF Spade w/harness Bergstrom /4 Fem 1497 WP 2F w/harness Red Dot M10 Fem 1575 MP 2W w/harness Case NORMALLY CLOSED LOW PRESSURE (OPEN HIGH - CLOSES LOW) NORMALLY CLOSED HIGH PRESSURE (OPEN HIGH - CLOSES LOW) (continued) 23 7 M10 Fem 1580 MP 2W M w/harness Case /4 Fem 1477 MP 2W M w/harness Navistar IHC /4 Fem 1476 MxF Spade w/harness Bergstrom 35 5 M12 Fem Pin Navistar IHC /4 Fem 1482 MP 2W M w/harness Navistar IHC M10 Fem 1443 Bare w/harness Bergstrom /4 Fem 1490 WP 2W M w/harness Freightliner /4 Fem 1484 Bare w/harness Navistar IHC M10 Fem 1489 WP 2W M w/harness Navistar IHC /4 Fem 1496 WP 2W M w/harness Navistar IHC M10 Fem 1459 WP 2W F w/harness Kenworth M10 Fem W w/harness Mack /4 Fem 1488 MxF Spade w/harness Bergstrom M10 Fem 1440 MxF Pack w/harness Bergstrom /4 Fem 1486 MxF Spade w/harness Navistar IHC M10 Fem 1458 WP 2W M w/harness Navistar IHC M10 Fem 1498 WP 2W M w/harness Freightliner /4 Fem 1491 MxF Spade w/harness Universal M10 Fem Pin Paccar /4 Fem 1487 WP 2M w/harness Red Dot /4 Fem Bare w/harness Bus 566

21 Pressure Switch Specifications Listed in ascending order by OPEN function. CONFIGURATION OPEN CLOSE FITTING PART# CONNECTOR TYPE NORMALLY CLOSED HIGH PRESSURE (OPEN HIGH - CLOSES LOW) (continued) M10 Fem 1445 MxF Spade w/harness Bergstrom M10 Fem Pin International M10 Fem Pin Kenworth /4 Fem 1494 Bare w/harness Bergstrom M10 Fem WP w/harness Case, JDeere /4 Fem W w/harness Carrier M Bare w/harness M10 Fem Pin Ford M10 Fem Term Ford Miscellaneous - Air, Cycling, Cut-Off, Sensors, Solenoids, Temperature and Transducers CONFIGURATION OPEN CLOSE FITTING PART# DESCRIPTION Air sensing switch psi Male 1/8-27 NPTF 2004 Normally Open Air sensing switch 25psi - Male 1/8-27 NPTF 2005 Normally Closed Air sensing (liquid line) - #6 MIO 1655 Refrigerant Solenoid Liquid Line Applications, 12V Compr Refrigerant 350psi 250psi M10 male 1436 NC, 2 pin, Green, GM Cut-off switch - - M10, 4 terminal 1594 Ford 8C3Z-19D594AA Cut-off switch - - M12 Thread 1424 Low press; 2 pin, GM Cut-off switch F NC, High press; BLUE, 2 pin; GM Cut-off switch 25psi 35psi 3/8-24 Male Spade 1430 NO, Low press; RD Cycling switch - - M12 Metric female 1403 GMC Topkick/Kodiak 02-06; ; 2 pin Cycling switch - - M12 Thread 1404 GMC Silverado, Suburban 02-07; ; 2 pin Cycling switch on at 46psi off at 25psi 1/4 SAE 1411 Normally Open, Accumulator, Ford, R12 Cycling switch on at 46psi off at 23psi M12, female 1412 Normally Open, Accumulator, Ford, R134a Cycling switch on at 46psi off at 25psi 1/4 female flare 1410 Normally Open, Accum., , Cycling switch 30-32psi 38-40psi 7/16-20 female UNF 1413 R12; ; GMC Cycling switch 30-32psi 38-40psi M12 Metric female 1414 R134a; 2 Male Spade, Cycling switch 30-32psi 38-40psi M12 Metric female 1416 NO, R134a; GMC Cycling switch 25psi 45psi M12 Thread 1418 NO, Low press., Ford F5VY-19E561A; 2 pin Cycling switch - - M12 Thread 1417 Low press., GMC Cycling switch - - M12 Thread 1419 Low press., 2 spade, GM Cycling switch (accumulator) - 3/16 thread, R134a 1463 NO, GMC , , 2 pin, beige Cycling switch (compressor) - M12, R NO, Low press.,black w/yellow, GM Cycling switch - - M Low press.,2 pin, GMC Fan Override /4 Fem 1448 NO, MP 2W M w/harness, Red Dot Fan Override M10 Fem 1437 NO, 2 Pin, Red Dot Fan Override /4 Fem 1456 NO, Bare, w/harness, Bergstrom Fan Override M10 Fem 1451 NC, MP 2W M w/harness, Navistar IHC Fan Override M NC, Peterbilt, 2 pin, 79PSL3-4 Freon Sensor (fits #7415 accum) M12 threads 1400 Navistar C1 Pressor Sensor Climate control sw., Volvo Solenoid valve - - 1/8 thread 2002 Normally Open or Closed; 12V Solenoid valve - - 1/8 thread 2003 Normally Open or Closed; 12V Solenoid valve Continuous duty; 12V Solenoid valve Continuous duty; 24V Superheat Sw Kit F Normally Open Superheat; GM compressors,12v Temp. switch (ambient) Ford YC3Z-19C733CA; YH1532 Temp. switch 200 F switch clamps to 3/8 tube wire, 2 terminal; normally closed; w/o clip Transducer M10, 3 pin 1314 Black, Frghtlnr ; 2CP55-1 Transducer M10, 3 pin 1473 Brown, International C1 Transducer - Oil Pressure 7/16-20 Male, 3 term 1475 International C91 Transducer M10, 3 pin 1557 GMC w/denso Compr

22 Pressure Switch Identification 20PS 002 M A 250 E 100 K Vender Spec Codes Standard Port Fitting A 1/4 NPTF Male Port E 1/8 NPTF Male Port H 1/4 SAE Male Flare J 1/8 NPTF Female Port M 1/4 Female Flare with valve core depressor Switch Setting A NO B NC C NO D NC E NO F NC J NO K NC L NO M NC N NO P NC T NO U NC Actuation Pressure Deactuation Pressure Tolerances Code ± psi C 3 D 4 E 5 F 6 G 7 H 8 J 9 K 10 R 15 NOTE: Lt. Blue Wire = NO Switch Black Wire = NC Switch Normally Open = NO Normally Closed = NC Also See INDEX SENSORS and CONTROLS (APADS) Section, pages BINARY and TRINARY TM Switches R12/R134a Compatible Binary Switches perform two functions; A. Prevents compressor operation if system has refrigerant loss or ambient temp. drops too low. B. Prevents compressor operation if high side pressure rises too high. Automatically resets when pressure drops to normal. Trinary II Switches are found on systems equipped with radiator shutters and/or electric or air fan clutches. They perform three functions: A. Prevents compressor operation if system has refrigerant loss, or ambient temp. drops too low. B. Prevents compressor operation if high side pressure rises too high. Automatically resets when pressure drops to normal. C. Overrides shutter/fan control to keep head pressure within normal range. BINARY OPEN CLOSE THREAD PART# CONNECTOR HARNESS APPLICATION /4 Fem Spade use #1524 Red Dot /4 Male Spade use #1524 Red Dot /4 Male Spade use #1526 Universal M10 Fem 1511 MP 2W, NC w/harness Mack M10 Fem Pin, NC use #1526 Freightliner M10 Fem Pin, NC none PACCAR /4 Fem Spade, NO use #1526 Freightliner M10 Fem Spade, NO use #1526 Freightliner /16-20 FF W none Bobcat M10 Fem Terminal none Ford M10 Fem Terminal none Ford M10 Fem Pin, NC use #1546 PACCAR /4 Fem 1538 Duetsch, NO w/harness CAT - - 7/16-20 FF 1538DC Duetsch, NO w/harness CAT TRINARY OPEN CLOSE THREAD PART# FUNCTION HARNESS APPLICATION /4 Fem Term., NO use #1525 Red Dot /4 Male Term., NO use #1525 Red Dot /4 Fem Term., NC use #1525 Red Dot /4 Male Term., NC use #1525 Red Dot Gold sticker designates Normally Closed, NC Silver sticker designates Normally Open, NO 568

23 Listed in ascending order by part number. Pressure Switches NC = Normally Closed NO = Normally Open 1303 Pressure Switch, Transducer 3 Terminal 2.7TD (fits on drier) Sprinter Van INDEX ORANGE, Fan Override Switch, NC (uses harness #1559) M10 Threads, 2 Pin Open: 310psi, Close: 240psi PETERBILT, 79PSL BLACK, Transducer, 3 Pin M10 Threads Freightliner/Cascadia 2CP55-1, GREEN, High Pressure Binary, NC (uses harness #1324H) 4 Terminal, M thrd M.P. = psi (fan) H.P. = psi (compr.) Sterling Pressure Sensor Climate Control Volvo OE# High Pressure, NC Open: 355psi / Close: 240psi M10 Threads, 2 Pin International OE# C Low Pressure Switch, NO Open: 3-9psi / Close: 22-32psi M Threads International OE# C Low Pressure, M threads Peterbilt OE# P High Pressure Switch, NC Open: 485psi Close: 270psi M10 Thrds, 2 Pin (uses harness #1562) Sterling F3AZ-19D594C; 6L2Z-19D594AA 1397 BLACK, Pressure Cycling Switch (uses harness #1562) M12 Threads, 2 Pin E-Ser , YH Low Pressure, NO On: 15psi, Off: 35psi 1/4 Female Flare, RD Freon Sensor, M12 Threads (uses harness kit #1544) (fits #7415 accumulator) Navistar C1 1400K HVAC Thermistor Kit Kit includes: (2) Freon Sensor #1400 (2) Harness Repair Kit #1544 (1) 3 Heat Shrink Tubing International OE# C92, 95BW-19E561AA, F6RZ-19E561AA 1402 BLUE, Cut-out Switch High Pressure, R134a GM A/C Cycling Switch M12 Threads, 2 Pin (uses harness #1559) Topkick/Kodiak GMC A/C Cycling Switch M12 Threads, 2 Pin (uses harness #1559) Silverado, Suburban

24 Listed in ascending order by part number (continued). Pressure Switches (continued) NC = Normally Closed NO = Normally Open 1406 Superheat Switch Kit, NO 12 volt, Closes: 141 F for Rear Port on GM Compressor 1407 High Pressure Switch Kit GM A6 Compressors 1410 Accum. Press Cycling Switch (R12) Normally Open On: 46psi, Off: 25psi Female 1/4 (harness #1526) , Accum. Cycling Switch, NO R12 On: 46psi, Off: 25psi Female 1/4 Ford E0VY-19E561A; E35H19E561AA 1412 Accum. Press. Cycling Switch Normally Open, R134a On: 46psi, Off: 23psi Female 12MM Ford F3AH-19E561AA 1413 Cycling Switch, R12 Open: 30-32psi Close: 38-40psi 7/16-20 Female; 1/4 thrd ; GM Low Press, R134a, NO Open: 30-32psi Close: 38-40psi 2 Male Spade M12 Metric Female GM High Temperature Switch (hold-down clip not included) Normally Closed Opens: 200 F Attaches to 3/8 Tube OE# 71R R134a, Low Pressure, NO (harness #1564) Open: 30-32psi Close: 38-40psi M12 Metric Female, 2 pin GM Low Pressure, Cycling Switch Fan Control GM Clutch Cycling Switch, NO 12mm (R134a) Low Press. 2 Pin (uses harness #1562) Open: 25psi, Close: 45psi FORD #F5VY-19E561A, F6RZ-19E561AA 1419 Low Pressure Cycling Switch M12 Threads, 2 Spade (uses harness #1526) GM Ford Accum. Cycling Switch OE# 95BW19E561AA 1422 Low Presssure, NO Packard Open: 6psi, Close: 34psi 1/4 Female Flare 20PS125MA034D006B 1423 Low Press Compressor A/C Cycling Switch (R12) NO M12, 2 pin (harness #1564) GM ; Low Pressure A/C Compressor Cut Off Switch, (R134a) M12 (harness #1564) GM

25 Listed in ascending order by part number (continued). Pressure Switches (continued) NC = Normally Closed NO = Normally Open 1425 Low Pressure, NO Bare Leads Open: 12psi, Close: 34psi 1/4 Female Flare (404162) 1426 Low Pressure, NO 1 Male Bullet 1 Female Open: 15psi, Close: 35psi 1/4 Female Flare ; 2OPS Low Pressure (R134a) NO Open: 30psi, Close: 40psi PETERBILT ; 20PS Low Press Cycling Switch M12 Thrd (harness #1564) GM ; Low Pressure Switch, NO 2 Spade, (R12) Male Thread 3/8-24 UNF-2A On: 25psi, Off: 35psi UNIVERSAL 1/4 SAE Red Dot OE# RD Prevents compressor damage, mounts on drier, used on Red Dot, Frghtlnr, KW, Peterbilt, and White. (Harness #1526) 1431 BLACK, High Press Binary Switch 4 Terminal, M thrd M.P. = psi H.P. = psi FORD L-Series #F3DH19D594AA (Harness #1324H) 1432 Low Pressure, NO (R12) Packard Open: 25psi, Close: 34psi 1/4 Female Flare 2OP127MA034D025G 1434 Low Pressure, NO 2 Spade Thrd Open: 6psi, Close: 34psi 1/4 Female Flare 1436 GREEN, Refrigerant Pressure, NC (R134a) 2 Pin M10 Male thread Open: 350psi, Close: 250psi CHEV/GMC # GREY, High Pressure, NO Open: 200psi, Close 270psi 10MM Female Flare P93CAA TAN, Low Pressure, NO Open: 23psi, Close: 47psi 12MM Metric Female P93CAA PURPLE, High Pressure, NC M10, Female, 2 pin, Binary Switch Open: psi Close: psi PACCAR R134a, High Pressure, NC Open: 300psi, Closes: 200psi M10 Metric thrd., Female KYSOR OE# , , 20PS Low Pressure, NO Packard Open: 6psi, Close: 34psi 10MM Metric Female ; 20PS High Pressure, NO Open: 210psi, Close: 260psi 10MM Metric Female ; 20PS High Pressure, NC Open: 260psi Close: 210psi 10MM Metric Female ; 20PS

26 Listed in ascending order by part number (continued). Pressure Switches (continued) NC = Normally Closed NO = Normally Open 1445 High Pressure, NC Open: 350psi Close: 260psi 10MM Metric Female ; 20PS High Pressure, NO Open: 180psi Close: 260psi 10MM Metric Female ; 20PS RED, Low Pressure, NO Open: 32psi Close: 42psi 1/4 Female Flare RD ; 20PS RED, Fan Override, NO Open: 190psi Close: 250psi 1/4 Female Flare RD ; 20PS Low Pressure, NO Open: 10psi, Close: 42psi 1/4 Female Flare RD5-4833OP; 20PS GREY, Fan/Shutter Switch, NC Open: 250psi, Close: 100psi Female Metric M10 Thrd Navistar C High Pressure, NO Open: 170psi, Close: 215psi 1/4 Female Flare RD ; 20PS High Pressure, NO Open: 174psi, Close: 260psi 1/4 Female Flare A ; 20PS High Pressure, NO 2 Spade Thrd Open: 210psi, Close: 260psi 1/4 Female Flare 1456 High Pressure, NO Open: 180psi, Close: 260psi 1/4 Female Flare 20PS131MA260K180K 1457 High Pressure, NO 2 Spade Thrd Open: 210psi, Close: 260psi 10MM Metric Female 1458 SKY BLUE (R134a) Packard High Pressure, NC Open: 310psi, Close: 210psi Female Metric M10 thrd Nastar OE# C RED, High Pressure, NC Open: 285psi, Close: 240psi M10 Female; K , K , 40PS High Pressure, NO (R134a) 1/4 SAE Open: 210psi, Close: 340psi PETERBILT , 20PS High Pressure, NO Open: 190psi, Close: 250psi M Female Metri-Pack RD High Pressure, NO Open: 210psi, Close: 260psi 1/4 Female Flare Kysor

27 Listed in ascending order by part number (continued). Pressure Switches (continued) NC = Normally Closed NO = Normally Open 1463 BEIGE, Accumulator Pressure, NO (R134a) 3/16 Thread, 2 Pin CHE/GMC , , Low Pressure (on high side) NO M10 metric Open: 32psi, Close: 42psi OE# 20PS309-26; RD High Pressure w/harness, NC M10 metric Open: 430psi, Close: 275psi 1468 High Pressure, NO Open: 210psi, Close: 300psi 1/4 Female Flare OE# 20PS39-36, 37; BOA Low Pressure, NO Open: 10psi, Close: 28psi 1/4 SAE, 39 lead wire Trans Air A/C # AC Ind. OE# Low Pressure, NO 2 Pin, M12 (harness #1546) Open: 13psi, Close: 30psi KW , F High Pressure, NC 2 Pin, M10 (harness #1546) Open: 355psi, Close: 250psi KENWORTH BROWN, Transducer 3 Pin, M10, (pigtail #1561) International , 7000, 8000 Series International C High Pressure, NO Packard (R12) Open: 250psi, Close: 375psi 1/4 Female Flare, Kysor , IHC/Navistar C1; 2OPS034MA375K250R 1475 Transducer, 7/16-20 Male 3 Terminal (pigtail #1561) International OE# C Low Pressure, NC Packard (R12) 28 lead wire Open: 30psi, Close: 7psi 1/4 Female Flare, Kysor , IHC/Navistar C1; 2OPS029MB030E007C 1477 GREY, Low Pressure, NC (R134a) Open: 27psi, Close: 3psi Female Thread 1/4 SAE Navistar C1; 20PS High Pressure, NO Open: 190psi, Close: 250psi 1/4 Female Flare PETE ; 20PS GREEN, High Pressure, NC Open: 250psi, Close: 100psi 1/4 Female Flare IHC/Navistr C1; 20PS High Pressure Switch, NC (R12) Open: 275psi, Close: 225psi 1/4 Female Flare 20PS028MB260K210K 1486 High Pressure (R12) Packard, NC Open: 300psi, Close: 210psi 1/4 Female Flare IHC/Navistar C1 20PS059MB300K210K 573

28 Listed in ascending order by part number (continued). Pressure Switches (continued) NC = Normally Closed NO = Normally Open 1487 RED, High Pressure, NC Open: 340psi, Close: 210psi 1/4 Female Flare RD ; 20PS High Pressure (R12) Packard, NC Open: 300psi, Close: 200psi 1/4 Female Flare Kysor ; IHC/Navistar C1 20PS030MB300K200K 1489 RED, High Pressure Switch, NC (R134a) Open: 275psi, Close: 225psi Female Metric M10 Thrd Navistar C High Pressure, NC Open: 265psi, Close: 180psi 1/4 Female Flare Frghtlnr A PS High Pressure (R12) Packard, NC Open: 325psi, Close: 250psi 1/4 Female Flare 20PS129MB350K250K 1492 GREEN, High Pressure, NO Open: 205psi, Close: 375psi M10 Female, 2 Pin IHC/Navistar C BLACK, Low Pressure, NC Open: 35psi, Close: 5psi M12 Female, 2 Pin IHC/Navistr C High Pressure, NC Open: 375psi, Close: 200psi 1/4 Female Flare 1496 High Pressure, NC Open: 280psi, Close: 240psi 1/4 Female, R134a C1; 40PS High Pressure, Packard, NO Open: 250psi, Close: 325psi 1/4 Female OE# C1; 20PS Fan Override, NC Open: 300psi, Close: 250psi M Female A ; 40PS GREY, High Pressure, NO Open: 250psi, Close: 325psi M Female A ; 41PS GREEN, Low Pressure, NO Open: 10psi, Close: 30psi M12, 2 Pin (harness #1546; exp vlv #1644) OE# B WHITE, Binary Switch, NO w/aftermarket type Duetsch Harness HIGH: 455 / 341 LOW: 28 / 40 Female 1/4 (3/8-24) CAT OE# DC RED, Binary Switch, NO w/o.e. CAT type Duetsch Harness Female Flare 7/16 20 CAT OE# Transducer, M10, 3 Pin (pigtail #1561) GMC w/denso Compressor OE#

29 Listed in ascending order by part number (continued). Pressure Switches (continued) NC = Normally Closed NO = Normally Open 1570 Low Pressure Switch, NO M11 x 100 thrd Open: 30psi, Close: 34psi Kubota OE# Low Pressure for Filter Drier, NO 3/8-24 thrd, 2 Term. Open: 24psi, Close: 28psi J Deere Excavators CLC OE# High Pressure, NC Open: 400psi, Close: 300psi Carrier High Pressure, NO 10MM Thread Open: 275psi, Close: 330psi CASE A Binary Switch, M10, NO HIGH: Off: 325 / On: 250 LOW: Off: 32 / On: 42 J Deere RE155938, RE High Pressure, NC 10MM Female Thrd, 1.25 pitch Open: 390psi, Close: 240psi J Deere CASE A1, A Binary Switch, NO 7/16-20 Female Flare HIGH: Open: 390 / Close: 260 LOW: Open: 28 / Close: 28 Bobcat Skidsteer Low Pressure Sw., 1/4 Fem., NO Open: 10psi, Close: 20psi Bobcat Skidsteer Low Pressure, NC 10MM Female Thread Open: 23psi, Close: 7psi CASE A Binary Switch (spec s N/A) Isuzu OE# ; Trinary Switch (spec s N/A) Isuzu OE# Pressure Cut Off Switch 4 Terminal, M10 threads Ford E-Series, F-Series SD 8C3Z-19D594AA 1597 SWITCH ASSORTMENT KIT Kit contains (1 piece each) P/N Description M High Pr., Binary, NC M12 Freon Sensor mm Female, High Pr., NO mm Female, Low Pr., NO M10 Female, High Pr., NC M10 Transducer (3 pin) M10 Female, High Pr., NC M10 Female, High Pr., NO M12 Female Low Pr., NC M10 Female, High Pr., NC M10 Female Binary, NC R12 Female Binary, NO M10 Female Binary, NO M10 Binary, NC M10 Binary (brown) M12 Low Pr., NO Low Pressure w/harness Assy R134a, M12 International OE# 20PS314-4; C High Pressure Sw., M10 Fem., NC Open: 290psi / Close: 240psi Mack OE# 1MR2469M;

30 Listed in ascending order by part number (continued). Pressure Switches (continued) NC = Normally Closed NO = Normally Open Low Pressure Switch, NO R134a, M10 Open: 7psi / Close: 28psi Red Dot O.E. RD PS001KW028D007C High Pressure Switch, NC (R12/R134a) 1/4 SAE Open: 350psi / Close: 192psi Trans Air A/C O.E PS80K Pressure Switch 2 terminal, 1/8 thread Mack OE# 1MR2472M2; Binary, Low Pressure, NO R12-1/4 Female Thread LOW: 20/8 psi HIGH: 250 psi Bus Applications / Spartan Bus OE# 1875RR-3S Low Pressure Switch, NO Female Metric M12 Thread OPEN: 6 psi CLOSE: 12 psi Farm & Offroad Applications CAT OE# Pressure Cut-off Switch 3 pin (Transducer) Female Metric M10X1.25 Ford Trucks OE# BT4Z-19D59AA 576

31 Listed in ascending order by part number. Transducers NC = Normally Closed NO = Normally Open TRANSDUCER ILLUSTRATION Ground volt Power Signal 1314 Transducer, BLACK M10 thrds, 3 Pin Freightliner/Cascadia OE# 2CP55-1; Transducer, BROWN M10 thrds, 3 Pin (pigtail #1561) International , 7000, 8000 Series International OE# C Transducer - Oil Pressure 7/16-20 Male 3 Terminal (pigtail #1561) International OE# C Transducer, M10 Thread 3 pin (pigtail #1561) GMC w/denso Compressor OE# Transducer Switch, 3 term, 12v 10mm female (harness #15602) Ford OE# 6F9Z-19D594AA, F6CZ-19D594CB Transducer Switch Harness Ford/Sterling (Fits: switch #15805) Transducer, BLACK Low Pressure, 12v Western Star OE# RD P Transducer, TAN High Pressure, 12v Western Star OE# RD P Pressure Cut-off Switch 3 pin (Transducer) Female Metric M10X1.25 Ford Trucks OE# BT4Z-19D59AA 577

32 Binary Switches NC = Normally Closed NO = Normally Open Binary switch performs two functions: 1. Prevents compressor from operating if system charge is lost or ambient temperature is too low. 2. Prevents compressor from operating if head pressure increases to unsafe levels, automatically resetting when pressure returns to normal. (1) TO CLUTCH (Black Wire) ILLUSTRATION 1 2 (2) TO THERMOSTAT (Black/White Wire) BINARY PRESSURE PROTECTION Low Pressure Opens Closes 30-15PSIG 40PSIG Max (Falling Pressure) (Rising Pressure) High Pressure PSIG PSIG Below (Rising Pressure) (Falling Pressure) 1324 GREEN, High Press Binary, NC (uses harness #1324H) 4 Terminal, M thrd M.P. = psi (fan) H.P. = psi (compr.) Sterling BLACK, High Press Binary Sw (uses harness #1324H) 4 Terminal, M thrd M.P. = psi H.P. = psi FORD L-Series OE# F3DH19D594AA 1500 Male Binary Sw. (see illustration) (harness #1524) 3/8-24 Male Thread HIGH: Off: 270 / On: 120 LOW: Off: 15 / On: 40 Red Dot OE# RD ; 71R Binary Sw. (see illustration) (harness #1524) 7/16-20 Female, 1/4 SAE HIGH: Off: 270 / On: 120 LOW: Off: 15 / On: 40 Red Dot OE# RD ; 71R Female Binary w/harness M10, NC HIGH: Off: 312 / On: 227 LOW: Off: 28 / On: 38 Mack OE# IMR-3550M 1512 Female Binary, NO, R12 only (harness #1526) 1/4 SAE HIGH: Off: 350 / On: 227 LOW: Off: 28 / On: 40 Freightliner OE# Female Binary, M10, NO (harness #1526) HIGH: Off: 350 / On: 227 LOW: Off: 28 / On: 40 Freightlnr Binary Switch, M10, NC (harness #1546) HIGH: Off: 455 / On: 341 LOW: Off: 28 / On: 40 Freightliner # BROWN, Binary Switch M10, 2 Pin (harness #1546) HIGH: Off: 426 / On: 241 LOW: Off: 28 / On: 40 Kenworth/Peterbilt OE# K ; 79PSD Binary Cut-out Switch, NC (harness #1526) 3/8-24 Male Thrd HIGH: Off: 394 / On: 227 LOW: Off: 28 / On: 40 ID# GY309-23A 1538 w/aftermarket type Duetsch Harness, WHITE Binary Switch, NO HIGH: 455 / 341 LOW: 28 / 40 Female 1/4 (3/8-24) CAT OE# DC w/o.e. CAT type Duetsch Harness, RED Binary Switch, NO Female Flare 7/16 20 CAT OE# Binary Switch, M10, NO HIGH: Off: 325 / On: 250 LOW: Off: 32 / On: 42 J Deere RE155938, RE Binary Switch, NO 7/16-20 Female Flare HIGH: Open: 390 / Close: 260 LOW: Open: 28 / Close: 28 Bobcat Skidsteer Binary, Low Pressure, NO R12-1/4 Female Thread LOW: 20/8 psi HIGH: 250 psi Bus Applications/Spartan Bus OE# 1875-RR3S

33 Trinary Switches NC = Normally Closed NO = Normally Open Trinary switch performs three functions: (Gold sticker designates Normally Closed / Silver sticker designates Normally Open) 1. Prevents compressor from operating if system charge is lost or ambient temperature is too low. 2. Prevents compressor from operating if head pressure increases to unsafe levels, automatically resetting when pressure returns to normal. 3. Overrides fan/shutter control to keep head pressure within normal range by opening shutters or operating engine fan. ILLUSTRATION (RED DOT type only) 4 (4) TO POWER (Orange Wire) 3 (3) TO SOLENOID, FAN (Yellow Wire) (1) TO CLUTCH (Black Wire) 1 2 (2) TO THERMOSTAT (Black/White Wire) TRINARY PRESSURE PROTECTION Low Pressure Opens Closes 22.5±7.5PSIG 40PSIG Max (Falling Pressure) (Rising Pressure) High Pressure 325±25PSIG 230±20PSIG Shutter/Fan Override 35±60PSIG PSIG (Falling Pressure) (Rising Pressure) Listed in ascending order by part number Trinary II Switch, NO for Fan/Override/Shutter Circuit 3/8-24 Male Thread, 4 Term. HIGH: Open: 325 / Close: 230 LOW: Open: 22 / Close: 40 Red Dot OE# RD ; 71R Trinary II Switch, NC for Fan/Override/Shutter Circuit 3/8-24 Male Thread, 4 Term. HIGH: Open: 325 / Close: 230 LOW: Open: 22 / Close: 40 Red Dot OE# RD ; 71R Trinary II Switch, NO for Fan/Override/Shutter Circuit 7/16-20 Female Thread, 4 Term. Red Dot OE# 71R-7550; RD Trinary II Switch, NC for Fan/Override/Shutter Circuit 7/16-20 Female Thread, 4 Term. HIGH: Open: 325 / Close: 230 LOW: Open: 22 / Close: 40 Red Dot OE# 71R-7650; RD Trinary Switch 3/8-24 Thread - spec s N/A Isuzu OE# Trinary Switch M Thread - spec s N/A Isuzu OE# Binary Switch (spec s N/A) Isuzu OE# ; Trinary Switch (spec s N/A) Isuzu OE#

34 Listed in ascending order by part number. Thermister/Temperature Components 1307 Temp. Sensor for Evaporators Mack, Sprinter Van , 2.7TD OE# AA 1313 Sensor/Discharge Air Century Class/Columbia 1317 Evaporator Probe Kit Freightliner Cascadia OE# VCCT E 1323 Control Temp. Sensor Freightliner Cascadia OE# VCCT U 1347 Temperature Probe Switch Freightliner OE# BOA Thermistor Sensor Volvo OE# Thermister Probe 2 Terminal Freightliner OE# BOA A Temperature Probe Volvo VN Series OE# Evaporator Temp. Probe Freightliner OE# VCC Duct Sensor Assembly, 2 Pin Freightliner OE# BOAD Air Temperature Control ATC Sensing Unit FORD YC3Z-19C733CA 1520 Temperature Sensor, 2 Pin Navistar OE# C Evaporator Probe Navistar OE# C Ambient Sensor (uses harness) Freightliner, OE# A/C Sensor PACCAR OE# K Evaporator Probe, 2 Pin Freightliner OE# VCCT V Air Temperature Sensor for rear AC NITE System Freightliner OE# Evaporator Temperature Sensor Probe, 2 Terminal Volvo Trucks, OE# ;

35 Thermostat Specifications CAPILLARY TEMPRATURE CLUTCH HOLE ILLUSTRATION LENGTH PART# RANGE CYCLING SPACING NOTES Cable Controlled Thermostats F 40 F - 2 1/8 V F 34 F - 2 1/8 MCC Units F 54 F 5 F 2 15/16 Pull for cold F 62 F 10 F 2 15/16 Pull for heat Fixed (Preset) Setting Thermostats F 39 F N F 44.5 F , F 35 F 7 F - BD F 36 F - - A ; 9533N F 40 F F 38 F 5 F 2 1/ F 39 F 8 F 2 1/4 Side mount F 44 F 8 F 2 3/ Volvo / F 40 F - - BD Ford 40 Ser., Rotary Thermostats ambient - - Eaton 9533N F 62 F 6 F - A F 52 F 5 F - RD F 26 F - - Volvo/GM F 52 F 5 F - RD F 52 F 5 F - A F 52 F 5 F - A NOTE Thermostatic Switches listed close at higher temperature and open at lower temperature. Adjustable Set Screw: CW = Warmer / CCW = Cooler Listed in ascending order by part number Preset Capillary Temp Range F BD Rotary Capillary Temp Range F (Adjustable) A Cable Capillary Temp Range F (Adjustable)...Pull for Cold Hole Spacing / Cable Capillary Temp Range F (Adjustable)...Pull for Heat Hole Spacing /16 581

36 Listed in ascending order by part number (continued). NOTE: Thermostatic Switches listed close at higher temperature and open at lower temperature. Adjustable Set Screw: CW = Warmer / CCW = Cooler 1331 Preset Capillary Temp Range F Hole Spacing...2-1/ Preset Capillary Temp Range F Hole Spacing...2-1/4 Side mount 1333 Preset Capillary Temp Range F Hole Spacing...2-3/ Preset Capillary Temp Range F A ; 9533N Rotary Capillary Temp Range F (Adjustable) RD Rotary Capillary Temp Range F (Adjustable) RD Rotary Capillary Temp Range F (Adjustable) A Preset Capillary Temp Range F Preset /2 Capillary Temp Range F BD Preset Capillary Temp Range F 9533N Cable Capillary Temp Range F Hole Spacing...2-1/8 VOLVO GM OE# V Preset Elect. Control Ford 40-Series Tractors OE# Preset Capillary Temp Range 30.5 F F WesternStar # General Motors # Rotary Capillary Temp Range F (Adjustable) A Preset Capillary Volvo , 9533N Rotary Capillary Temp Range F-34 F Volvo/GM (Adjustable) 1354 Isuzu OE# Ambient Thermostat Switch 11 Capillary Tube (Adjustable setting) Eaton #9533N383 Carrier Bus #AC A MCC Applications, Preset (replaces obsolete lever type) Eaton #9533N

37 Wiring Components for Clutches, Relays and Switches Switch Pigtail H H H H Switch Pigtail Switch Pigtail Switch Pigtail Switch Pigtail H H Connector Separator Tool Set Separating electrical connectors by releases locking tabs. Elimates damage to tab or connector. 1055H Blower Switch Harness (Fits 1050, 1055, 1056) 1152 Blower Switch Harness 5 term, conn. (Fits: 1150, 1151) A/C Industries OE# H Ford/Sterling Pigtail for Pressure Switch 4 wire (Fits: 1174) 1324H Ford/Sterling Pressure Switch Wiring Harness 4 Terminal (Fits: 1324, 1431) 1524 Binary Switch Harness 2 wires (Fits: 1500, 1510) 1525 Trinary Switch Harness 4 wires (Fits: 1550, 1555, 1560, 1565) 1526 Low Pressure Sw., Harness UNIVERSAL (Fits: 1419, 1430, 1512, 1513, 1516) Cathode Side if (+) results in open current Anode Side if (+) results in closed circuit 1527 Bosch Mini-Relay Harness UNIVERSAL works on 4 or 5 prong relay (Fits: 1250, 1251, 1252) 1529 GM Compressor, 90 w/diode Clutch Coil Connector 1532 Clutch Coil Connector, Straight w/diode GM Vehicle with Sanden Compressor 1533 Inline Diode GM A6/Carrier 1534 FORD Blower Switch Harness (Fits: 1038,1043) 1535 FORD FS-6 Compressor Clutch Coil Connector 1540 UNIVERSAL - In Line Diode 1542 Weatherpack Clutch Coil Connector (mates with #1552) 583

38 Listed in ascending order by part number (continued). Wiring Components (continued) 1543 Bosch Mini-Relay Harness weatherproof, 5 wire (Fits: 1019, 1260, 1261, 1262, 1263, 1264) 1544 Sensor Harness Assembly International / Navistar 1545 SANDEN FLX7 Female Wiring Harness converts single wire to dual wire 1546 PACCAR Switch Connector - 2 wire (Fits: 1437,1438, 1439, 1471, 1472, 1514, 1515) 1547 GM High Blower Relay Pigtail 4 wire AMP Relay Connector (Fits: 1293 Relay) 1549 Clutch Coil Connector Female Metri-Pack Heavy Duty Blue Housing, 2 wire 1551 SD7H15 Clutch Coil Connector Metri-Pack 280 Heavy Duty Black Housing, 1 wire 1552 SD7H15 FLX7 Adapter Black Connector to Male Bullet, 1 wire (mates with #1542) 1553 VOLVO Model 8044 Clutch Coil Connector, 24v White/Clear Housing, 1 wire (yellow) 1554 Pigtail / Clutch Coil Ford Scroll Compressor 1557F Sanden Deutsch Female connector pigtail 1557M Sanden Deutsch Male connector pigtail, 17 leads 1559 Pigtail for Pressure Switch (Fits: 1310, 1403, 1404) 1561 Pigtail for 3 wire Transducer (round) (Fits: 1473, 1475, 1557) 1562 Pigtail for Ford Cycling Switches Fits round switches w/2 terminal (Fits: 1396, 1397, 1418) Sanden Male Metri-Pack Connector Pigtail fits onto Female Metri-Pack Coil Connectors Sanden Male Metri-Pack Connector Pigtail Fits onto female Metri-Pack coil connectors CHEV/GMC, INTERNATIONAL Low Pressure Switch Pigtail - 2 Wire (Fits: 1416, 1423, 1424, 1429, 1492, 1493) 1590 Clutch Pigtail Bullet and eyelet ends 1591 Clutch Pigtail Weatherpack and eyelet ends 584

39 Listed in ascending order by part number (continued). Wiring Components (continued) Sanden Male Metri-Pack Connector Pigtail fits onto Female Metri-Pack Coil Connectors Clutch Pigtail Packard and eyelet ends 1593 Clutch Pigtail Packard MP280 and eyelet ends Kit contains: QTY. P/N DESCRIPTION 1 ea sanden FLX7 2 ea metripak 2 ea bullet 1 ea weatherpack 2 ea packard 1 ea packard MP Sanden Clutch Pigtail Assortment With these handy pigtails, you can adapt them to any 2 wire Sanden compressor clutch to match your original harness. Eliminates confusion on which wire to ground. Harness for Carrier Relays 15600A High Speed Relay OE# AC Wiring Harness for Freightliner Trucks. Needed to convert wiring on new style blower motor #3973A Connector for Relay 5 terminal 40/50 amp OE# AC B Meduim Speed Relay OE# C Low Speed Relay OE# D Clutch Relay OE# E Compressor Relay OE# L Lock for Carrier Relay Harness OE# AC Low Pressure Switch Harness UNIVERSAL - 48 lead wire A/C Control Assembly Bus Systerm, 12v Transducer Switch Harness Ford/Sterling (Fits: switch) Harness (Fits: sensor) Freightliner, Cascadia OE# A Reverse Polarity Harness Volvo (Fits: 5385SK & 5387SK) OE# s & use: #8958 Connector Separator Tool Set Coil Wire Connector 10PA15C, 10S15C, SD7H13 fits CAT, KOMATSU Coil Wire Connector 10PA15C, 10S17C fits John Deeere Coil Connector Pigtail for Denso 10S17C, and Sanden SD7H15SHD Pressure Switch Harness Pigtail, 2 terminal Weatherpak Pressure Switch Harness Pigtail, 2 terminal Weatherpak 585

40 SOLENOID VALVES AN AIR OPERATED SOLENOID VALVE is an electronic control used to operate (engage & disengage) the air actuated engine fan clutch and/or radiator shutters on the vehicle. It can be plumbed to operate in either a normally open (N.O.) or normally closed (N.C.) position, depending upon the type of fan on the vehicle, and the specific inlet port used on the solenoid. See illustrations below to determine the correct inlet port. NORMALLY OPEN NORMALLY CLOSED TYPICAL PLUMBING For use on Kysor, Bendix For use on Horton N.C. Dry Air & Rockford N.O. fan drives fan drives 1 VENT 2 CLUTCH 3 VENT Clean Air to Fan Drive N.C. Solenoid Valve VENT Dry Air 3 SUPPLY PORT FILTER INSERTED HERE IF USED 2 CLUTCH 1 SUPPLY PORT FILTER INSERTED HERE IF USED Clean Air to Fan Drive N.O. Solenoid Valve VENT Air Sensing Switches and Solenoid Valves outlet 2003 w/o diode Air Solenoid Valve, 12v Normally Open or Closed 1/8-27 Female 1/8-27 Female 1/8-27 Male 2003K Universal Solenoid Kit, 12v air operated w/connector kit 2 bare wires 2008 Vacuum Solenoid ProAir OE# H Harness for Vacuum Solenoid ProAir OE# Solenoid, 12v, w/diode 1/8-27 Female 1/8-27 Female 1/8-27 Male International OE# C Solenoid, 12v, w/diode 1/4-1/8 Female Exh. Muffler 1/8-27 Female PACCAR OE# Solenoid Filter w/bypass Inlet/Outlet: 1/8-27NPT 1-5/8 Length, 0.75 Dia Micron Filtration 2042 Solenoid Exhaust Vent 1/8-27NPT Provides low restriction exhaust venting while restricting entry of moisture and contaminants. 586

41 Fast Finder INDEX SENSORS & CONTROLS INDEX Sensors & Controls part no. page part no. page part no. page part no. page P P P... obsolete P... obsolete P... obsolete P... obsolete P... obsolete P r/b P P P P P P P P P... obsolete P... obsolete P P... obsolete P... obsolete P r/b P P... obsolete P... obsolete P... obsolete P... obsolete P... obsolete P... obsolete P... obsolete P... obsolete P... obsolete P P P P... obsolete P P P P P P P P P... obsolete P P P P r/b P P P P P P P P P... obsolete P P P... obsolete P P... obsolete P P... obsolete P... obsolete P P... obsolete P... obsolete P... obsolete P P... obsolete P P P... obsolete P... obsolete P P P... obsolete P P... obsolete P... obsolete P P... obsolete P... obsolete P... obsolete P... obsolete P... obsolete P... obsolete P... obsolete P... obsolete P... obsolete P... obsolete P... obsolete P P P P P P... obsolete P... obsolete P... obsolete P... obsolete P... obsolete P... obsolete P P... obsolete P P... obsolete P... obsolete P... obsolete P... obsolete P r/b P P r/b P P r/b P P r/b P P r/b P P... obsolete P... obsolete P r/b P P r/b P P... obsolete P... obsolete P r/b P P r/b P P r/b P P r/b P P r/b P P... obsolete P r/b P P P r/b P P P r/b P P r/b P P P P r/b P P r/b P P r/b P P... obsolete P r/b P P r/b P P r/b P P r/b P P r/b P P P P r/b P P r/b P P r/b P P r/b P P... obsolete P r/b P P... obsolete P r/b P P... obsolete P... obsolete P r/b P P r/b P P... obsolete P... obsolete P P P P... obsolete P P P... obsolete P... obsolete P P P P... obsolete P... obsolete P... obsolete P... obsolete P... obsolete P P... obsolete P P P P... obsolete P P P... obsolete P P P... obsolete P P... obsolete P... obsolete P... obsolete P... obsolete P... obsolete P P... obsolete P... obsolete P P P... obsolete P... obsolete P... obsolete P... obsolete P P P P... obsolete P P... obsolete P... obsolete P... obsolete P... obsolete P... obsolete P... obsolete P P... obsolete P... obsolete P... obsolete P P P P P P... obsolete P... obsolete P... obsolete P... obsolete ACX

42 INDEX SENSORS & CONTROLS Typical Switch and Connector Styles PRESSURE BARE LEADS DEUTSCH Provides an air tight crimp. METRIPACK Uses flat male blade and box female terminals. WEATHERPACK Uses round pin and round socket terminals. TEMPERATURE SINGLE POST Listed by switch part number series then by set point in ascending order. TWO TERMINAL THREE TERMINAL 8034 Series - COOLANT - LOW LEVEL PROBES SET POINT RESET HOUSING PART FUNCTION F Differential NORMALLY Thrd. Type NUMBER CONNECTOR TYPE /4 NPT P single (post w/nut) /8 NPT P single (post w/nut) 8036 Series - TEMPERATURE CONTROL Electrical Switches Dual and Single Function SET POINT RESET HOUSING PART FUNCTION F Differential NORMALLY Thrd. Type NUMBER CONNECTOR TYPE dual 172 F F closed 1/2 NPTF P Metripack (tower w/socket) dual 175 F F closed 1/2 NPTF P Weatherpack (shroud w/pin) dual 195 F F closed 1/2 NPTF P Metripack (tower w/socket) dual 200 F F open 1/2 NPTF P Weatherpack (shroud w/pin) single 060 F 7 +/- 2.5 F closed 1/2 NPTF P Metripack (tower w/socket) single 080 F 25 +/- 3 F closed 1/2 NPTF P Metripack (shroud w/pin) single 125 F 118 +/- 2 F closed 1/2 NPTF P Weatherpack (shroud w/pin) single 190 F 7 +/- 1.5 F open 1/2 NPTF P 3 wires single 195 F 7 +/- 1.5 F open 1/2 NPTF P 3 wires single 205 F 7 +/- 2 F open 1/2 NPTF P Weatherpack (shroud w/pin) single 205 F 7 +/- 1.5 F closed 1/2 NPTF P Weatherpack (shroud w/pin) single 205 F 7 +/- 1.5 F open 1/2 NPTF P 3 wires (continued) 588

43 Listed by switch part number series then by set point in ascending order. INDEX SENSORS & CONTROLS 8036 Series - TEMPERATURE CONTROL ELECTRICAL (continued) Air, Single/Dual and Fan Timer SET POINT RESET HOUSING PART FUNCTION F Differential NORMALLY Thrd. Type NUMBER CONNECTOR TYPE air (sink) 125 F 7 +/- 1.5 F closed 1/2 NPTF P Deutsch (receptacle w/pin) air (sink) 150 F 7 +/- 1.5 F closed 1/2 NPTF P Deutsch (receptacle w/pin) air (sink) 150 F 7 +/- 1.5 F open 1/2 NPTF P Metripack (tower w/socket) air (source) 150 F 143 +/- 1.5 F closed 1/2 NPTF P Weatherpack (shroud w/pin) air (source) 150 F 7 +/- 1.5 F open 1/2 NPTF P Weatherpack (shroud w/pin) air (source) 190 F 7 +/- 1.5 F open 1/2 NPTF P Deutsch (plug w/socket) fan timer 195 F - closed P Deutsch (receptacle) fan timer 195 F 188 F open 1/2 NPTF P Deutsch (plug w/socket) fan timer 200 F 193 F closed 1/2 NPTF P Weatherpack (shroud w/pin) fan timer 200 F 193 F open 1/2 NPTF P Weatherpack (tower w/socket) fan timer 200 F 193 F open 1/2 NPTF P Deutsch (plug w/socket) fan timer 205 F 198 F closed 1/2 NPTF P Weatherpack (shroud w/pin) fan timer 205 F 198 F closed 1/2 NPTF P Deutsch (receptacle w/pin) fan timer 205 F 198 F open 1/2 NPTF P Weatherpack (tower w/socket) fan timer 205 F 198 F open 1/2 NPTF P Deutsch (plug w/socket) fan timer 205 F - closed 1/2 NPTF P Metripack (shroud) fan timer F 198 F open 1/2 NPTF P Deutsch (plug w/socket) Sink - switch wired between load and ground. Source - switch wired between power and load Series - TEMPERATURE CONTROL MECHANCIAL 2, 3, and Spade Type Terminals SET POINT RESET HOUSING PART FUNCTION F Differential NORMALLY Thrd. Type NUMBER CONNECTOR TYPE mechanical 105 F 7 +/- 1.5 F open 1/2 NPTF P 2 terminal (8-32 screw thrd) mechanical 120 F 6-12 F open 1/2 NPTF P 2 terminal (8-32 screw thrd) mechanical 130 F 5-9 F open & closed 3/8 NPTF P 3 terminal (8-32 screw thrd) mechanical 130 F 5-9 F open & closed 3/8 NPTF P 3 terminal (8-32 screw thrd) mechanical 140 F 6-12 F closed 3/8 NPTF P 2 terminal (8-32 screw thrd) mechanical 150 F 6-12 F closed 3/8 NPTF P 2 terminal (8-32 screw thrd) mechanical 160 F 5-9 F open & closed 3/8 NPTF P 3 terminal (8-32 screw thrd) mechanical 165 F 6-12 F closed 1/2 NPTF P 2 terminal (8-32 screw thrd) mechanical 165 F 5-9 F open 1/2 NPTF P 2 terminal (8-32 screw thrd) mechanical 170 F F open 3/8 NPTF P 2 terminal (8-32 screw thrd) mechanical 180 F 5-9 F open & closed 1/2 NPTF P 3 terminal (8-32 screw thrd) mechanical 185 F 5-9 F open & closed 3/8 NPTF P 3 terminal (8-32 screw thrd) mechanical 185 F 5-9 F open 1/2 NPTF P 2 terminal (8-32 screw thrd) mechanical 185 F 5-9 F open & closed 1/2 NPTF P 3 terminal (8-32 screw thrd) mechanical 190 F 5-9 F open & closed 1/2 NPTF P 3 terminal (8-32 screw thrd) mechanical 195 F 5-9 F open 3/8 NPTF P 2 terminal (8-32 screw thrd) mechanical 195 F 5-9 F open & closed 3/8 NPTF P 3 terminal (8-32 screw thrd) mechanical 195 F 5-9 F closed 1/2 NPTF P 2 terminal (8-32 screw thrd) mechanical 195 F 5-9 F open & closed 1/2 NPTF P 3 terminal (8-32 screw thrd) mechanical 200 F 5-9 F closed 1/2 NPTF P 2 terminal (8-32 screw thrd) mechanical 200 F 5-9 F open 1/2 NPTF P 2 terminal (8-32 screw thrd) mechanical 200 F 5-9 F open & closed 1/2 NPTF P 3 terminal (8-32 screw thrd) mechanical 205 F 5-9 F closed 1/2 NPTF P 2 terminal (8-32 screw thrd) (continued) 589

44 INDEX SENSORS & CONTROLS Listed by switch part number series then by set point in ascending order Series - TEMPERATURE CONTROL MECHANCIAL (continued) 2, 3, and Spade Type Terminals SET POINT RESET HOUSING PART FUNCTION F Differential NORMALLY Thrd. Type NUMBER CONNECTOR TYPE mechanical 205 F 5-9 F open 1/2 NPTF P 2 terminal (8-32 screw thrd) mechanical 205 F 5-9 F open & closed 1/2 NPTF P 3 terminal (8-32 screw thrd) mechanical 208 F 5-9 F open 1/2 NPTF P 2 terminal (8-32 screw thrd) mechanical 210 F 5-9 F open 3/8 NPTF P 2 terminal (8-32 screw thrd) mechanical 210 F 5-9 F closed 1/2 NPTF P 2 terminal (8-32 screw thrd) mechanical 210 F 5-9 F open 1/2 NPTF P 2 terminal (8-32 screw thrd) mechanical 210 F 5-9 F open & closed 1/2 NPTF P 3 terminal (8-32 screw thrd) mechanical 215 F 5-9 F open & closed 3/8 NPTF P 3 terminal (8-32 screw thrd) mechanical 215 F 5-9 F closed 1/2 NPTF P 2 terminal (8-32 screw thrd) mechanical 215 F 5-9 F open & closed 1/2 NPTF P 3 terminal (8-32 screw thrd) mechanical 220 F 5-9 F open & closed 3/8 NPTF P 3 terminal (8-32 screw thrd) mechanical 220 F 5-9 F closed 1/2 NPTF P 2 terminal (8-32 screw thrd) mechanical 220 F 5-9 F open 1/2 NPTF P 2 terminal (8-32 screw thrd) mechanical 220 F 5-9 F open & closed 1/2 NPTF P 3 terminal (8-32 screw thrd) mechanical 225 F 5-9 F open 3/8 NPTF P 1/4 spade mechanical 225 F 214 F open 1/2 NPTF P 1/4 spade mechanical 225 F 5-9 F open & closed 1/2 NPTF P 3 terminal (8-32 screw thrd) mechanical 240 F 7-15 F open & closed 3/8 NPTF P 3 terminal (8-32 screw thrd) mechanical 250 F 7-15 F open 1/2 NPTF P 2 terminal (8-32 screw thrd) mechanical 255 F 5-9 F open & closed 3/8 NPTF P 3 terminal (8-32 screw thrd) mechanical 290 F 270 F closed 3/8 NPTF P 2 terminal (8-32 screw thrd) 8039 Series - TEMPERATURE CONTROL MECHANCIAL Single Post Terminal SET POINT HOUSING PART FUNCTION F RESET NORMALLY Thrd. Type NUMBER CONNECTOR TYPE mechanical 175 F 165 F closed 3/8 NPTF P 1 post (8-32 screw thrd) mechanical 190 F 180 F closed 1/2 NPTF P 1 post (8-32 screw thrd) mechanical 200 F 190 F closed 3/8 NPTF P 1 post (8-32 screw thrd) mechanical 200 F 190 F open 3/8 NPTF P 1 post (8-32 screw thrd) mechanical 210 F 200 F open 3/8 NPTF P 1 post (8-32 screw thrd) mechanical 210 F 200 F closed 1/2 NPTF P 1 post (8-32 screw thrd) mechanical 210 F 200 F open 1/2 NPTF P 1 post (8-32 screw thrd) mechanical 215 F 205 F closed 1/2 NPTF P 1 post (8-32 screw thrd) mechanical 215 F 205 F open 1/2 NPTF P 1 post (8-32 screw thrd) mechanical 220 F 210 F closed 1/2 NPTF P 1 post (8-32 screw thrd) mechanical 220 F 210 F open 1/2 NPTF P 1 post (8-32 screw thrd) mechanical 225 F 210 F open 3/8 NPTF P 1 post (8-32 screw thrd) mechanical 225 F 210 F open 1/2 NPTF P 1 post (8-32 screw thrd) mechanical 230 F 215 F open 3/8 NPTF P 1 post (8-32 screw thrd) mechanical 230 F 215 F open 1/2 NPTF P 1 post (8-32 screw thrd) mechanical 235 F 220 F open 1/2 NPTF P 1 post (8-32 screw thrd) mechanical 250 F 230 F open 3/8 NPTF P 1 post (8-32 screw thrd) mechanical 265 F 240 F open 3/8 NPTF P 1 post (8-32 screw thrd) mechanical 290 F 260 F closed 3/8 NPTF P 1 post (8-32 screw thrd) mechanical 300 F 270 F open 1/2 NPTF P 1 post (8-32 screw thrd) 590

45 Listed by switch part number series then by set point in ascending order. INDEX SENSORS & CONTROLS 8040 Series - PRESSURE Air, Fuel, Oil SET POINT RESET HOUSING PART FUNCTION (psi) (psi) NORMALLY Thrd. Type NUMBER CONNECTOR TYPE air fuel oil open & closed 1/4 NPTF P Weatherpack (shroud w/pin) air fuel oil closed 1/4 NPTF P Metripack (tower w/socket) air fuel oil open & closed 1/8 NPTF P Weatherpack (shroud w/pin) air fuel oil open & closed 1/8 NPTF P bare wire air fuel oil open & closed 1/8 NPTF P bare wire air fuel oil open 1/8 NPTF P - air fuel oil open & closed 1/8 NPTF P Weatherpack (tower w/socket) air fuel oil closed 1/4 NPTF P Weatherpack (shroud w/pin) air fuel oil open & closed 1/4 NPTF P Weatherpack (shroud w/pin) air fuel oil open & closed 1/8 NPTF P bare wire air fuel oil open & closed 1/8 NPTF P - air fuel oil closed 1/8 NPTF P bare wire air fuel oil open 1/8 NPTF P Metripack (tower w/socket) air fuel oil open 1/8 NPTF P Weatherpack (shroud w/pin) air fuel oil open & closed 1/8 NPTF P Weatherpack (shroud w/pin) air fuel oil open & closed 1/8 NPTF P bare wire air fuel oil closed 1/4 NPTF P Metripack (tower w/socket) air fuel oil closed 1/4 NPTF P Metripack (tower w/socket) air fuel oil open & closed 1/8 NPTF P Weatherpack (shroud w/pin) air fuel oil open & closed 1/8 NPTF P bare wire air fuel oil open & closed 1/8 NPTF P bare wire air fuel oil closed 1/8 NPTF P bare wire 8040 Series - HIGH PRESSURE SET POINT RESET HOUSING PART FUNCTION (psi) (psi) NORMALLY Thrd. Type NUMBER CONNECTOR TYPE high, APAds closed M10 Fem P Metripack (tower) high, APAds closed M10 Fem P Metripack (tower w/socket) high, R closed 1/4 Fem P Weatherpack (shroud w/pin) high closed M10 Fem P Metripack (tower w/socket) high closed M10 Fem P Metripack (tower w/socket) high closed M10 Fem P Weatherpack (tower w/socket) high, R closed 1/4 Fem P Metripack (tower w/socket) high, APAds closed M10 Fem P Metripack (tower w/socket) high, APAds closed 1/4 Fem P Weatherpack (tower w/socket) high, APAds closed M10 Fem P Weatherpack (tower w/socket) 8040 Series - LOW PRESSURE SET POINT RESET HOUSING PART FUNCTION (psi) (psi) NORMALLY Thrd. Type NUMBER CONNECTOR TYPE low, R open M12 Fem P Weatherpack (shroud w/pin) low, APAds closed M12 Fem P Metripack (shroud w/pin) low, APAds closed M12 Fem P Metripack (shroud w/pin) low, R open 1/4 Fem P Weatherpack (shroud w/pin) low, R134a open M12 Fem P Metripack (shroud w/pin) low, R open 1/4 Fem P Metripack (shroud w/pin) low, R134a open M12 Fem P Weatherpack (shroud w/pin) low, APAds closed M12 Fem P Weatherpack (shroud w/pin) low, CCOT open M12 Fem P Weatherpack (shroud w/pin) 591

46 Listed by switch part number series then by set point in ascending order. INDEX SENSORS & CONTROLS 8040 Series - FAN TRIGGER (Turns on engine cooling fan - mounted on pressure side of compressor) SET POINT RESET HOUSING PART FUNCTION (psi) (psi) NORMALLY Thrd. Type NUMBER CONNECTOR TYPE a/c fan, R closed 1/4 Fem P Weatherpack (tower w/socket) a/c fan, R closed 1/4 Fem P Deutsch (receptacle w/pin) a/c fan, R closed 1/4 Fem P Deutsch (receptacle w/pin) a/c fan open 1/4 Fem P Weatherpack (shroud w/pin) a/c fan, R closed 1/4 Fem P Weatherpack (tower w/socket) a/c fan closed M10 Fem P Deutsch (receptacle w/pin) a/c fan, R closed 1/4 Fem P Weatherpack (shroud w/pin) a/c fan closed M10 Fem P Deutsch (receptacle w/pin) a/c fan closed M10 Fem P Weatherpack (tower w/socket) a/c fan open M10 Fem P Weatherpack (tower w/socket) a/c fan closed M10 Fem P Deutsch (receptacle w/pin) a/c fan closed M10 Fem P Weatherpack (tower w/socket) a/c fan, R closed 1/4 Fem P Weatherpack (tower w/socket) a/c fan open 1/4 Fem P Weatherpack (tower w/socket) 8042 Series - APADS A/C CONTROL MODULE SERVICE PARTS MODULE PART NUMBER APAds CM-813 Std., 3 minute fan (Deutsch connectors, grey) CAT, Cummins Engs P APAds CM-813 ECM fan ctrl. (Deutsch connectors, grey) Mack OE# 228RD P APAds CM-812, Volvo OE# P APAds CM-812, Mack OE# 228RD P APAds CM-820 Std., Freightliner P APAds CM-814 Std., 3 min fan OE (Metri-pack 10 pin connector, black) Volvo P shown P A/C COMPRESSOR ASSY LIFE EXTENDER ACX-10 PART NUMBER Reduce your maintenance costs and downtime. Easy to install, economical smart protection 1596 Prevents rapid cycling under harmful high or low pressure conditions. A Detection and Protection System The ACX-10 A/C Life Extender detects pressure that s too high or low, and too much or too little voltage. Then, it protects expensive system components from being damaged, and saves you maintenance costs and downtime. Pressure Protection When the ACX-10 detects persistent high or low system pressure, it disengages the A/C clutch until the pressure returns to the normal, safe operating range. Voltage Protection The ACX-10 detects over- and under-voltage conditions, and temporarily disengages the A/C clutch until the voltage returns to the normal, safe range. Starter Motor Protection The ACX-10 unburdens the starter motor and extends its life by delaying the A/C clutch engagement until 15 seconds after ignition. 592