Product Review

This tester has one side to connect the 7-pins plug of a trailer and another side to connect the 7-pins socket of a car. This tester indicates quickly if a failure concerns the wiring of the car or the wiring of the trailer.


Specifications:

Main Material: ABS & Copper
Color: black
Item Type: Diagnostic Tools
Item Name: Trailer Tester
Size: approx. 20 * 5 * 4cm
Battery Type: 9V (not included, you need additional purchase)
Package Weight: 194g / 6.8oz


Package list:

1 * 7-Pin Trailer Tester Tool
1 * English Guide Paper



Car, Camper, Trailer (can also be a caravan or bicycle carrier)

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 ignation 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, rearlight, foglight and stoplights. With a +/- 4 m extension cable, you can test the functions form the driver's seat more easily.