Versatile application

The PROPLUS Trailer Plug Tester is designed for testing 12V electrical systems of trailers, cars, and campers. Thanks to the included adapters, you can check both 7-pin and 13-pin plugs and sockets.

Easy to use

With clear indicator lights, you can quickly and easily check the wiring of turn signals, tail lights, brake lights, reverse lights, and fog lights. This allows you to test your trailer's lighting independently without help from others.

Complete set with adapters

The plug tester comes with two handy adapters, so you can switch from 7-pin to 13-pin and from 13-pin to 7-pin. This ensures maximum compatibility and ease of use with different vehicles and trailers.

Technical specifications

• Power supply: Operates on a 9V block battery (not included).
• Wiring diagram: 13-pin - ISO 11446.
• Compatibility: Suitable for testing 12V electrical systems of trailers, cars, and campers.

Important notes

• Battery use: A 9V battery is required for use (not included).
• Use without battery: Do not use a battery when testing the socket to prevent damage to the tester.

With the PROPLUS Trailer Plug Tester, you are assured of properly functioning lighting on your trailer, contributing to a safe journey and preventing surprises on the road.