13-Pin Trailer Tester, 13-Pin Car Trailer Tester, 12V Trailer 13-Pin Light Wiring Circuit Tester Diagnostic Tools

Quick Check - This trailer tester is designed to test 13-pin plugs and sockets on a car and trailer. This tester quickly indicates whether a fault lies with the car's wiring or the trailer's wiring, allowing for efficient testing of 13-pin plug and socket connection problems. Reliable Quality - The 13-pin trailer tester offers safe and reliable performance, a sensible design, a sleek appearance, and convenient use. Easy to store and can be used with trailers, RVs, caravans, and bike racks. The tester requires a 9V battery (not included). Easy to Assemble - Made of high-quality ABS and copper, its durable and reliable matte surface ensures maximum strength and durability for long-lasting use.