12V 7Pin Trailer Socket Tester Electrical Tow Bar Wiring Circuit Light Test Tool
£6.49
Just plug the tester in the 7 pin socket or the 7 pin plug of the trailer or caravan and press the yellow button on the side of the tester. • 7 Pin Car Towing Light Tester : Test your car's towing lights with ease using this 7-pin tester.
