12V Trailer Plug Tester 7 Pin Male-Trailer Socket Tester Lights Wiring Circuit Diagnostic Tools-Fits Trailer Truck RV Car NPTERBL

General description This 12V Trailer Plug Tester is designed for quick and effective diagnostics of 7-pin trailer and car wiring connections. It features a dual connection system, allowing one side to connect to the 7-pin socket of a trailer and the other to a car's 7-pin socket. This tool helps identify whether faults lie within the car wiring or the trailer wiring, making it an essential tool for troubleshooting wiring issues. Technical specifications Type: 7-pin trailer socket tester Material: High quality ABS and copper Battery requirement: 9V battery (not included) Compatibility: Can also be used with 13-pin sockets using an adapter Compatibility and accessories Suitable for caravans, RVs, recreational vehicles, trucks, trailers, and other vehicles Other information Certification: Passes Europe CE, ROHS Certification Durability: Designed for long-lasting use with a frosted surface for added strength