12/24 Volt Trailer, Caravan Electrical Tow Plug And Light Tester Basic

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1 12/24 Volt Trailer, Caravan Electrical Tow Plug And Light Tester Basic User Manual 1 12/24 Volt Trailer, Caravan Electrical Tow Plug And Light Tester

2 INDEX 12/24 Volt Trailer, Caravan Electrical Tow Plug And Light Tester PAGE 1 Index PAGE 2 Product Features PAGE 3 How To Safely Operate Tester PAGE 4-5 Testing Tow Plug, Wiring Circuit And Light Bulbs Of Trailer Or Caravan PAGE 6-8 S A B S Wiring Diagrams PAGE /24 Volt Trailer, Caravan Electrical Tow Plug And Light Tester

3 Product Features: Check trailer and caravan electrical tow plug wiring circuit standard (S A B S) Check auxiliary wire connection on trailer and caravan Test stop light wiring and light bulbs of trailer and caravan Test right hand tail light wiring and light bulbs of trailer and caravan Test left hand tail light wiring and light bulbs of trailer and caravan Test right hand indicator wiring and light bulbs of trailer and caravan Test left hand indicator wiring and light bulbs of trailer and caravan Load test on all light circuits to earth This Product Includes The Following: 1. Main tester 12/24 V / 10A 2. S A B S wiring standard diagram 3. Fuses 7.5 ampere 4. User manual **Please note that this tester is designed to handle 12/24V with load Max of 10A** Thank you very much for purchasing this product! Hope you will have fun with the testing tool! We use the very same type of testers with great success at our workshop Peter Tune Up & Repairs /24 Volt Trailer, Caravan Electrical Tow Plug And Light Tester

4 How To Safely Operate Tester Tester fuse will burn through when overloading or a short occur. Overloading happens when current races near the rated current of fuse in a short period of time until the fuse overheat and burn through. By switching on all light circuits of tester will induce overloading. Short happens when opposite polarities comes to contact with each other. Towing plugs not connected accordance to SABS standards and burned through wires causes shorts. The voltmeter reading on tester will drop rapidly just before the fuse blow when in a short stage.! When there is a short somewhere, switch off tester and find the origin of the short and fix it, then continue testing. This tester is designed to test all light circuits on all makes of trailers and caravans on the South-African market working with the Seven Pin Round Towing Plugs. Always use a fully charged battery. Voltage reading with no load be between to volts. For tester protection, 7.5 ampere fuses are recommended. Never pull on electrical wires. Tester not water proof. Keep away from water, oil, petrol and other liquids. Indicators on the tester: Left Side Of Tester Right Side Of Tester Right Side Of Tester VOLTMETER LARGE LED SMALL BI-COLOUR LED Indicates tester is powered on and ready. It also show the voltage reading connected to tester. Indicates toggle activity. Indicates if there is a positive or negative source connected on the auxiliary wire. Read more on auxiliary test. CAUTION: The tester is designed to handle a maximum of 10 ampere. Don't insert fuses rated more than 10 ampere, as the tester's electrical components may get damaged.! 4 12/24 Volt Trailer, Caravan Electrical Tow Plug And Light Tester

5 Femal tow socket 7.5 A fuse to protect testing circuit LED indicating toggle activity auxiliary test led 12/24v power input side 5 12/24 Volt Trailer, Caravan Electrical Tow Plug And Light Tester

6 Testing tow plug, wiring circuit and light bulbs of trailer or caravan Insert tow plug of trailer or caravan into the tow socket of tester. Connect the tester to any 12/24V DC power source. When using your vehicle battery always switch ignition OFF and remove key from ignition. Positive (red) and negative (black). The voltmeter on the tester will indicate that power is available. Start with testing. EARTH TEST - N/A Constant earth will be supplied to the trailer or caravan your testing. STOP LIGHT TEST Switch the stop light toggle switch of tester to the ON position Both left and right hand stop lights of trailer/caravan must work. If stop lights work, then the circuit is OK. Switch toggle switch OFF and continue to next test. If circuit fails test, then check for the following faults - Trailer/caravan tow plug and lights not wired in accordance to S A B S standards. Blown globes. Globes wrongly fitted (check all globes). Bad or dirty contact points. Dead/broken positive wire (red) from trailer/caravan tow plug to stop lights. Earth wire (white) from trailer/caravan tow plug to lights is dead/broken or not making full contact at globe holder/s negative side. Use probe tester to diagnose faults. R/H TAIL LIGHT TEST Switch the R/ H tail light toggle switch of tester to the ON position The tail light on the RIGHT hand side must work. If right hand tail light works, then the circuit is OK. Switch toggle switch OFF and continue to next test. If circuit fails test, then check for the following faults - Trailer/caravan tow plug and lights not wired in accordance with S A B S standards. Blown globes. Globes wrongly fitted (check all globes). Bad or dirty contact points. Dead/broken positive wire (black, brown) from trailer/caravan tow plug to tail lights. Earth wire (white) from trailer/caravan tow plug to lights is dead/broken or not making full contact at globe holder/s negative side. Use probe tester to diagnose faults. 6 12/24 Volt Trailer, Caravan Electrical Tow Plug And Light Tester

7 L /H TAIL LIGHT TEST Switch the L/ H tail light toggle switch of tester to the ON position The tail light on the LEFT hand side must work. If left hand tail light works, then the circuit is OK. Switch toggle switch OFF and continue to next test. If circuit fails test, then check for the following faults - Trailer/caravan tow plug and lights not wired in accordance with S A B S standards. Blown globes. Globes wrongly fitted (check all globes). Bad or dirty contact points. Dead/broken positive wire (black, brown) from trailer/caravan tow plug to tail lights. Earth wire (white) from trailer/caravan tow plug to lights is dead/broken or not making full contact at globe holder/s negative side. Use probe tester to diagnose faults. R /H INDICATOR LIGHT TEST Switch the R/ H indicator light toggle switch of tester to the ON position The indicator light on the RIGHT hand side must work. If right hand indicator light works, then the circuit is OK. Switch toggle switch OFF and continue to next test. If circuit fails test, then check for the following faults - Trailer/caravan tow plug and lights not wired in accordance with S A B S standards. Blown globes. Globes wrongly fitted (check all globes). Bad or dirty contact points. Dead/broken positive wire (black, brown) from trailer/caravan tow plug to tail lights. Earth wire (white) from trailer/caravan tow plug to lights is dead/broken or not making full contact at globe holder/s negative side. Use probe tester to diagnose faults. L /H INDICATOR LIGHT TEST Switch the L/ H indicator light toggle switch of tester to the ON position The indicator light on the LEFT hand must work. If left hand indicator light works then the circuit is OK. Switch toggle switch OFF and continue to next test. If circuit fails test, then check for the following faults - Trailer/caravan tow plug and lights not wired in accordance with S A B S standards. Blown globes. Globes wrongly fitted (check all globes). Bad or dirty contact points. Dead/broken positive wire (black, brown) from trailer/caravan tow plug to tail lights. Earth wire (white) from trailer/caravan tow plug to lights is dead/broken or not making full contact at globe holder/s negative side. Use probe tester to diagnose faults. 7 12/24 Volt Trailer, Caravan Electrical Tow Plug And Light Tester

8 AUXILIARY CONNECTION TEST If any power is connected to the auxiliary wire the LED (auxiliary) on the tester will either go red for positive or green for negative. By standard this wire is not used and LED should not illuminate. If it does, check for what reason. Dear User, Just to remind you that free support is offered for any questions or problems you should encounter. Telephonic enquiries are also welcome. 8 12/24 Volt Trailer, Caravan Electrical Tow Plug And Light Tester

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12/24 Volt Trailer, Caravan Electrical Tow Plug And Light Tester

12/24 Volt Trailer, Caravan Electrical Tow Plug And Light Tester Professional User Manual 1 INDEX 12/24 Volt Trailer, Caravan Electrical Tow Plug And Light Tester PAGE 1 Index PAGE 2 Product Features PAGE