Orno Trailer socket test kit, standard 13/7-pin, 12/24 V

The radio socket tester makes it easy to detect problems with faulty or incorrect trailer lighting. Made of robust ABS plastic, with clear LED indicators. We use the tester to test wires and bulbs. Thanks to the included adapters (13/7 and 7/13), it is also possible to test the newer 13-pin standard. The kit contains: 7-pin trailer socket tester, 13/7-pin adapter, 7/13-pin adapter.