Trailer Socket Tester, Akozon Lighting Testing Device 12V 7Pin/13Pin Towing Light Wiring Cable Circuit Plug Tester LED Indicator Checker for Trailers

【Application】This Trailer Socket Tester is brand new, it can be used for trailers, caravans, and so on （for European Vehicles only） 【LED Display】This trailer plug socket tester is with LED indicators, can indicates failures in the wiring circuits on the car or trailer. 【Quickly Test】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, which can effectively test what the problem is for 7 pins plug and socket connection. 【Perfect Suitable】This electric trailer plug socket connection tester is suitable for 7-pin plugs and sockets, including 13-pin plug and socket.12V electrical trailer plug & socket wiring tester, safe and dependable performance. 【High Quality Material】This Trailer Plug Tester is made of high quality plastic material and Copper, lightweight and can have a long service life.