12V Trailer & Connector Socket Tester

Ensure your trailer lights are always road-ready with this 12V 7-pin Trailer & Connector Socket Tester. Designed with a clear LED display, this handy device quickly checks the functionality of your trailer or caravan’s lighting systemmaking it an essential tool for any vehicle equipped with a tow bar.

Regularly inspect your connections to avoid dangerous faults caused by infrequent use or contact issues. This tester lets you easily identify whether any problem lies with your trailer or your vehicles tow socket. Each pin has its own dedicated indicator, helping you pinpoint exact faults for a safer journey.

Suitable for use with trailers, caravans, and even bicycle racks. Compatible with CAN-BUS systems.

Pin indicators:
Yellow Left indicator
Blue Rear fog light (+)
Green Right indicator
Brown Right tail light
Red Brake light
Black Left tail light

Requires one 9V battery (6LR61), not included.