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Vehicle Car Trailer Towing Light Cable Circuit Plug Socket Tester Auto Test Tool Set

SKU: 439779 (Added 2016-07-11)
Sale Price: US$ 22.42
Price: US$ 21.25
Shipping: Free shipping

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Trailer tester for 7 pins plug and socket connection. Used to test the trailer power supply wiring whether normal or not. With 7 LED indicators. Indicates any failure for your wiring on the car or on the trailer. Portable and light weight. How to test the connection of a Trailer (can also be a caravan or bicycle carrier)
1. Put the plug in the connection of the tester.
2. Press the yellow button on the side of the tester.
3. If the wiring is good, all the LEDs light up. the function of each LED is (acc iso 1724): a. left hand indicator (yellow); b. fog light or 12V (blue); c. mass (white); d. right hand indicator (for green); e. right rear light (brown); f. left brake light (red); left rear light (black). Attention: The pin no 2 can be used either for a warning fog lamp or a permanent 12V connection. If a LED doesn't light up, it is because the corresponding wire is defective. If all the LEDs don't light up.
1. Put the tester in the socket of the car.
2. Press the yellow button on the side of the tester.
3. If the wiring is good, all the LEDs light up.
Do again steps 4 as previous. You can also test the functions of each pin of the socket.
1. Switch on the left hand indicator (after switching on the ignition key).
2. The corresponding LED must flash with the same frequency. If not, left hand indicator wiring is defective/broken.
3. Repeat steps 1 and 2 for the right hand indicator, rear light, fog light and stoplights.
With a +/- 4 m extension cable, you can test the functions form the driver's seat more easily.
Form ColorBlack
Dimensions & Weight
Dimensions 7.09 in x 1.77 in x 1.57 in (18 cm x 4.5 cm x 4 cm)
Weight 5.38 oz (152.6 g)
Packing List
1 * Trailer Socket Tester
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