LED Indicator light
The tester is equipped with 6 LED indicators, which can indicate the wiring failure of the car or trailer. It is easy to use and practical.
Easy to Use
Just insert the lighting and cable tester into the socket or plug to be tested, press the test button, and the LED display can provide clear diagnostic information.
Wide Application
12V plug and socket tester for electric trailers. One end of the trailer 7 is connected to the 7-pin plug and socket of the vehicle. Widely used in automobiles, caravans, recreational vehicles and other vehicles.