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12V 7 Pin Trailer Lights Plug & Socket Wiring Circuit Tester plus 13 Pin Adaptors

With this product you could earn
11 Points in Standard System

In stock

£11.99 £29.99

SKU: TB155

In stock

This 12V 7 Pin Trailer Lights Plug & Socket Wiring Circuit Tester is designed for testing the lighting circuits on both towing vehicles and trailers/caravans etc. The body plugs directly into either 7-pin N-type plugs or sockets and gives a continuity test on all lighting circuits.

Also included in this kit is a pair of adaptors that allow you to also test 13 pin plugs and sockets.


  • 12V electrical trailer plug & socket wiring tester
  • One side connects to the 7-pins plug of a trailer and the other side to the 7-pins socket of the towing vehicle
  • Indicates any failures in the wiring circuits on the car or trailer
  • For use with 7 pole plugs and sockets
  • Includes adaptors for 13 pin plugs and sockets
  • Durable black plastic construction
  • LED indicators
  • Portable, easy to store hand held design
  • Can be used with trailers, caravans, horseboxes, bicycle carriers etc.
  • Requires 1 x 9V PP3 battery (not included)


  • 1 x 12 Volt 7 Pin Trailer Plug and Socket Tester
  • 1 x Adapter (7-pin socket to 13-pin connector)
  • 1 x Adapter (13-pin plug to 7 pin socket)

For instructions click here


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