7 Pin 12N Socket and Wiring Tester
Tests the Operation of Towing Vehicles
12V
The Ring 7 Pin Car & Trailer Tester is a must-have tool for ensuring your trailer's electrical connections are functioning correctly. Designed for universal compatibility, it works with 12N, 7-pin trailer and vehicle sockets, allowing you to quickly check all circuits and bulbs before you set off.
With clear LED indicators, any faults are instantly highlighted, making it easy to diagnose and fix electrical issues. This tester is ideal for trailers, caravans, and horseboxes, helping to ensure road safety and compliance with towing regulations.
Simple to use and highly effective, the Ring 7 Pin Car & Trailer Tester provides peace of mind every time you tow. It requires a 9V PP3 (6LR51) battery, which is not included.