12V 7Pin/13Pin Trailer Socket Tester Car Truck Trailer Plug Socket Tester Trailer Wiring Cable Circuit Connector for Auto Trailers, auto Repair Tool

【HIGHQUALITY MATERIALS】The trailer plug tester is made of highquality plastic, which has the greatest durability, high efficiency and lightness. Highquality materials will ensure the best strength and durability, and have a long service life.
【HIGHQUALITY MATERIALS】The trailer plug tester is made of highquality plastic, which has the greatest durability, high efficiency and lightness. Highquality materials will ensure the best strength and durability, and have a long service life.
【HIGH-QUALITY MATERIALS】The trailer plug tester is made of high-quality plastic, which has the greatest durability, high efficiency and lightness. High-quality materials will ensure the best strength and durability, and have a long service life.
【EXCELLENT PERFORMANCE】One end of the trailer plug tester is connected to the 7pin plug of the trailer, and the other end is connected to the 7pin plug and socket of the car. With LED indicator, it can indicate the circuit failure on the car or trailer.
【EASY TO INSTALL】 The trailer plug tester is plug and play without modification. Just replace the worn or damaged one. No complicated operations are required, saving time and energy.

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