Description:

7 Pin Plug Socket Cable Wiring Tester
For testing the lighting circuits on both towing vehicles and trailers/caravans etc.
12Volt 7pin standard round male to standard round male
One side connects to the 7-pins plug of a trailer and the other side to the 7-pins socket of the towing vehicle
LED indicates any failures in the wiring circuits on the car or trailer

Specification:

Durable black plastic construction
Portable, easy to store with hand held design
Power: 9V Battery (Not included)

Package Includes:

1 Piece Trailer Tester