The 12V tester is connected to the trailer's 7-hole plug on one end and to the car's 7-hole socket on the other. The tester's signal light quickly show whether the trailer or car coil is connected properly.
eBay
The Tester is designed to indicate a faulty wiring or blown bulbs/light in the wiring on your trailer, or horsebox with a Six Light. It can be used on many Applications fitted with Unit N 7 pin plugs and sockets generally fitted on Trailers, Caravans, Cars, Truck etc.
eBay
The 12V tester is connected to the trailer's 7-hole plug on one end and to the car's 7-hole socket on the other. The tester's signal light quickly show whether the trailer or car coil is connected properly.
eBay
The Tester is designed to indicate a faulty wiring or blown bulbs/light in the wiring on your trailer, or horsebox with a Six Light. It can be used on many Applications fitted with Unit N 4 pin plugs and sockets generally fitted on Trailers, Caravans, Cars, Truck etc.
eBay
This socket tester is designed for use with 12V CAN Bus systems. It efficiently tests 13 and 7-pin sockets fitted to the rear of vehicles using the supplied adaptor.
eBay
This socket tester is designed for use with halogen bulbs in 12 and 24V systems. It efficiently tests 13 and 7-pin sockets fitted to the rear of vehicles using the supplied adaptor. It comes with a 5m cable for easy one-person operation and provides a clear indication on the LED display when the towbar operation is detected. 1 x 13 and 7-Pin Towbar Socket Tester Power: 12V DC System: Halogen Connection: 7-pin and 13-pin Cable length: 5m Tester dimensions: 90 x 140 x 35mm Weight: 1kg
eBay
The 12V tester is connected to the trailer's 7-hole plug on one end and to the car's 7-hole socket on the other. The tester's signal light quickly show whether the trailer or car coil is connected properly.
eBay
It can be used on many Applications fitted with Unit N 13 pin plugs and sockets generally fitted on Trailers, Caravans, Cars, Truck etc. The Tester is designed to indicate a faulty wiring or blown bulbs/light in the wiring on your trailer, or horsebox with a Six Light.
eBay