Trailer Towing Light Wiring Circuit Tester, Power Outlet Diagnostic Tool for Trailers, Caravans, Horseboxes

[FAST AND EASY CABLE LINE FAULT FINDING] This adapter is designed to quickly and easily find faults in cable lines on trailers and towing vehicles. Its LED indicators clearly show the colors of faulty cables, allowing for rapid diagnosis. [UNIVERSAL COMPATIBILITY] This trailer adapter can be used to check all 7-pin plugs and sockets. It features a plug-and-play design that eliminates the need for cutting or splicing, making it applicable to trailers, caravans, and bike racks. [BATTERY POWERED] The built-in battery tester eliminates the need for an external power source, making it convenient and portable. Please note that it requires batteries (not included). [RELIABLE] Made of ABS plastic for insulation and durability, this tester is built to last. The material is copper, ensuring a better connection and reliable performance. [IDEAL TOOL FOR TRAILER OWNERS] Whether you're a DIY enthusiast or a professional trailer owner, this trailer wiring circuit tester is an indispensable tool. It helps you easily identify and correct wiring line faults, ensuring safe and reliable towing. Specification: Item Type: Trailer Wiring Circuit Tester Material: ABS - Copper .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { top border: 1px solid #000; left border: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { bottom border: 1px solid