4-Way Flat Trailer Wiring Tester, 4-Pin Double End Male & Female Plug Trailer Light Tester with Indicators, Circuit Connector Testing Tool for Turn Signal Tail Lights Troubleshooting. 【4-Way Trailer Tester】: This 4-pin trailer plug tester is specially designed for diagnosing trailer lighting issues.
eBay
Quick, easy and very simple to use! 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 13 pin plugs and sockets generally fitted on Trailers, Caravans, Cars, Truck etc.
eBay
It can be used on many Applications fitted with Unit N 7 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
Quick, easy and very simple to use! 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
Vechline 13 Pin Socket Tester Plug The Tester Into Either The Car’S 13-Pin Socket Or The Trailer’S 13-Pin Plug And Press The Yellow Button On The Side Of The Tester. The Lights Will Flash And Indicate If There Are Any Faults With The Lights Of The Vehicle.
eBay
Simply plug the lighting and cable tester into the socket or plug to be tested and press the test button to make a clear diagnosis via the LED display. It is easy to use and practical. his trailer tester can help you quickly check for circuit failures in 12V electrical systems in vehicles and trailers.
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. Quick, easy and very simple to use! 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
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. Quick, easy and very simple to use! It can be used on many Applications fitted with Unit N 13 pin plugs and sockets generally fitted on Trailers, Caravans, Cars, Truck etc.
eBay