Description
1This 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 very convenient. 2Ergonomic design of the 7 Pin trailer socket will ensure its work of high performance. 3This trailer tester can help you to quickly check the circuit failure of both vehicles and the electrical system on trailers. 4Made of ABS plastic and copper,which is durable and you can use it for a long time for its long service life. 5Ideal in the commercial and private sector, for workshops, car and trailer rental, accessory trade, etc.
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