7 Pin Car Trailer Caravan Towing Tow Bar Light Wiring Circuit Tester Plug Socket
$13.99
12V connection tester a trailer 7 hole plugs, the other end connected to the car 7 hole outlet. Tester lights will quickly show a trailer or a car coil is connected properly. Type 7 hole at one end of the trailer plug to the end of the tester.
