COOLING FAN 2.3L Fig. 1: 2.3L Turbo, Cooling Fan Circuit DEFOGGERS Fig. 2: Defogger Circuit, W/ Electronic ATC Fig. 3: Defogger Circuit, W/O Electronic ATC HORN Fig. 4: Horn Circuit POWER ANTENNA Fig. 5: Power Antenna Circuit POWER DOOR LOCKS Fig. 6: Door Lock Circuit Fig. 7: Keyless Entry Circuit POWER MIRRORS Fig. 8: Power Mirror Circuit POWER SEATS Fig. 9: Memory Seat Circuit Fig. 10: Power Seat Circuit Fig. 11: Recliner Circuit POWER WINDOWS Fig. 12: Power Window Circuit RADIO Fig. 13: Electronic Radio Circuit Fig. 14: Premium Sound Radio Circuit Fig. 15: Premium Sound Radio Circuit, W/ Graphic Equalizer
STARTING/CHARGING 2.3L Fig. 16: 2.3L, Charging Circuit Fig. 17: 2.3L, Starting Circuit 3.8L Fig. 18: 3.8L, Charging Circuit Fig. 19: 3.8L, Starting Circuit 5.0L Fig. 20: 5.0L, Charging Circuit Fig. 21: 5.0L, Starting Circuit TRUNK, TAILGATE, FUEL DOOR Fig. 22: Trunk & Fuel Door Release Circuit WIPER/WASHER Fig. 23: 2-Speed Wiper/Washer Circuit Fig. 24: Interval Wiper/Washer Circuit
PART 2 Fig. 1: Engine Compartment & Headlights Fig. 2: Computer Engine Control (2.3L 4-Cyl.) Fig. 3: Computer Engine Control (3.8L V6) Fig. 4: Computer Engine Control (5.0L V8) Fig. 5: Fuse Block Fig. 6: Anti-Lock Brake & Wiper/Washer Control Fig. 7: Suspension Control System Fig. 8: A/C & Heating System Fig. 9: Instrument Panel (1 of 2) Fig. 10: Instrument Panel (2 of 2) Fig. 11: Passenger Compartment (1 of 3) Fig. 12: Passenger Compartment (2 of 3) Fig. 13: Passenger Compartment (3 of 3) Fig. 14: Taillights Fig. 15: Starter Relay (3.8L w/eec-iv) Fig. 16: Starter Relay (5.0L w/eec-iv)
Fig. 1: 2.3L Turbo, Cooling Fan Circuit
Fig. 2: Defogger Circuit, W/ Electronic ATC
Fig. 3: Defogger Circuit, W/O Electronic ATC
Fig. 4: Horn Circuit
Fig. 5: Power Antenna Circuit
Fig. 6: Door Lock Circuit
Fig. 7: Keyless Entry Circuit
Fig. 8: Power Mirror Circuit
Fig. 9: Memory Seat Circuit
Fig. 10: Power Seat Circuit
Fig. 11: Recliner Circuit
Fig. 12: Power Window Circuit
Fig. 13: Electronic Radio Circuit
Fig. 14: Premium Sound Radio Circuit
Fig. 15: Premium Sound Radio Circuit, W/ Graphic Equalizer
Fig. 16: 2.3L, Charging Circuit
Fig. 17: 2.3L, Starting Circuit
Fig. 18: 3.8L, Charging Circuit
Fig. 19: 3.8L, Starting Circuit
Fig. 20: 5.0L, Charging Circuit
Fig. 21: 5.0L, Starting Circuit
Fig. 22: Trunk & Fuel Door Release Circuit
Fig. 23: 2-Speed Wiper/Washer Circuit
Fig. 24: Interval Wiper/Washer Circuit
PART 2 COMPONENT LOCATIONS Component A/C Clutch Field Coil (2.3L) A/C Compressor Cycling Pressure System A/C & Heater Switch ABS Control Module ABS Test Connector Alarm Relay Alternator Anti-Lock Pressure Switch Anti-Lock Warn Indicator Anti-Theft Module Auto Lamp Dim Control Auto Lamp Relays #1 & #2 Back-up Light Switch Back-up Light & Neutral Saftey Switch Battery Blower Motor Blower Motor Speed Control Boost Pressure Switch Brake Fluid Level Switch Clock Cluster Illumination Relay Clutch Switch Coolant Temperature Switch Cornering Light Relays Cruise Control System distributor Dome Light Door Handle Switches Door Switches Dual Brake Warn Switch EATC Control Module EEC Power Relay (3.8L) EEC Power Relay (5.0L) EEC Warn Light EEC IV Self Test Connector (2.3L) EEC IV Self Test Connector (3.8L) EEC IV Self Test Connector (5.0L) Figure No. (Location) 8 (D-30,31) 2 (E-5,6) 8 (A,B,C-28,29,30) 6 (A,B-20) 8 (C-28,29) 11 (C,D-40) 1 (A-3)(C-3) 6 (B,C-23) 6 (A-23) 11 (C,D-43) 5 (E-18) 5 (D,E-16) 11 (B-40) 8 (E-31) 1 (A-1) 8 (C-28) 8 (B-28) 9 (C-32) 6 (B-23) 11 (D-41) 9 (D-35) 1 (A-3) 10 (A-37) 8 (D-31) 7 (D,E-24,25) 1 (C,D,E-3) 11 (D,E-40) 11 (C-40) 11 (D-42,43) 10 (B-36) & (C-38) 8 (A-29,30) 3 (A-10) 4 (A-14) 9 (B-32) 2 (B-7) & (C-9) 3 (B-10) & C-9) 4 (A-13,14) & (B-13)
Electronic Control Assembly (2.3L) Electronic Control Assembly (3.8L) Electronic Control Assembley (5.0L) Electronic Control Switch Entry Illumination Timer Flash to Pass Relay Fog Light Switch Fuel Pump Relay (3.8L) Fuel Pump Relay (5.0l) Fusible Links Hard Shock Relay Headlight Dim Relay Hi/Low Beam Photo Cell Amp Horn Relay Hydraulic Pump Motor Relay Ignition Coil Ignition Switch Illumination Lights Indicator Assembly Instrument Cluster Instrument Panel Lights Integrated Controller Unit (2.3L only ) Keyless Entry Module Lamp Out Warn Module Low Fuel Warn Module Low Oil Level Realy Main Light Switch Main Power Realy Moon Roof Switch Multi-Function Switch Overboost Buzzer Power Antenna Switch Power Door Lock Control System Power Drivers Seat Control System. 12 (C,D,E-44,45,46,47) Power Mirror Control System Power Passenger Seat control System Power Seat Recliner System Power Window Control System Programmed Ride Control Module Premium Fuel Relay Premium Fuel Switch 2 (A,B,C,D-4) 3 (A,B,C,D-8) 4 (A,B,C,D,-12) (A,B-36) 11 (A-43) 9 (E-32) 8 (D-31) 3 (A-9) 4 (A-14) 1 (A,B-2,3) 7 (C-27) 5 (E-17) 5 (E-16) 7 (D-25) 6 (A-22,23) 1 (C-1) 4 (A-16,17,18,19) 5 (B,C-16) 9 (A-32,33) 9 (A-33,34,35) 11 (D-41) 2 (E-5,6,7) 11 (A-40,41,42) 7 (C,D-27) 10 (D-38) 9 (B-32) &10 (E-39) 5 (E-19) 6 (B-23) 11 (A-45) 9 (D-32,33) 9 (C-32) 13 (D,E-48) 12 (B,C-45,46,47) 12 (B,C-44) 13 (A,B-48,49) 13 (A,B-49,50) 12 (A-46,47) 7 (A-24,25,26,27) 2 (A-7) 2 (A-7)
Radio Illumination Relay 9 (C-35) Reading Light Switch 11 (D-42) Rear Window Defogger switch 13 (D-50,51) Speed Sensor 9 (A-35) Standard Instrument Cluster 10 (C,D,E-36) Start Interupt Relay 11 (B,C-43) Starter Relay (All But 3.8L & 5.0L w/eec-iv) 1 (A-2) Starter Relay (3.8L w/eec-iv) 15 Starter Relay (5.0L w/eec-iv) 16 Stop Light Switch 5 (C-19) Trunk Release System 13 (C,D-48,49) Underhood Light 1 (A-1) Warning Chime 7 (E-27) Wiper/Washer Control System 6 (C,D,E-20,21,22,23) WOT A/C Cutout Relay 8 (C28,31) & (E-28,29) NOTE: The starter relay has been revised for the 3.8L and 5.0L with EEC IV. For revised diagram see Figs. 15 or 16.
Fig. 1: Engine Compartment & Headlights 1988 Ford Thunderbird
Fig. 2: Computer Engine Control (2.3L 4-Cyl.) 1988 Ford Thunderbird
Fig. 3: Computer Engine Control (3.8L V6) 1988 Ford Thunderbird
Fig. 4: Computer Engine Control (5.0L V8) 1988 Ford Thunderbird
Fig. 5: Fuse Block 1988 Ford Thunderbird
Fig. 6: Anti-Lock Brake & Wiper/Washer Control 1988 Ford Thunderbird
Fig. 7: Suspension Control System 1988 Ford Thunderbird
Fig. 8: A/C & Heating System 1988 Ford Thunderbird
Fig. 9: Instrument Panel (1 of 2) 1988 Ford Thunderbird
Fig. 10: Instrument Panel (2 of 2) 1988 Ford Thunderbird
Fig. 11: Passenger Compartment (1 of 3) 1988 Ford Thunderbird
Fig. 12: Passenger Compartment (2 of 3) 1988 Ford Thunderbird
Fig. 13: Passenger Compartment (3 of 3) 1988 Ford Thunderbird
Fig. 14: Taillights 1988 Ford Thunderbird
Fig. 15: Starter Relay (3.8L w/eec-iv) 1988 Ford Thunderbird
Fig. 16: Starter Relay (5.0L w/eec-iv) 1988 Ford Thunderbird