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

With this product you could earn
8 Points in Standard System

In stock

£8.99 £19.99

SKU: TB156

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.


  • 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 seven pole 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)

For instructions click here


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