- 【Easy to Operate】Plug and play design, no cutting or splicing required, just plug the lighting and cable tester into the socket or plug you want to test, press the test button, the LED display will provide clear diagnostic information for trailers and RVs Tail light signals are displayed simultaneously.
- 【Easy to Use】European standard trailer connector, one side connects to the trailer's 7-pin plug and the other side connects to the towing vehicle's 7-pin socket, this tester will quickly indicate if the fault involves the car or trailer's wiring.
- 【Excellent Material】The appearance of the wiring tester is made of insulating material ABS. The cable has maximum durability, and the brass contacts and copper pin slots have better conductivity.
- 【Widely Applicable】12v 7-pin Trailer Electrical Tester is suitable for commercial vehicles, semi-trailers, trailers, caravans, bicycles. Good vehicle diagnostic tools and accessories.
- 【Satisfied Service】We care about every customer's feeling. If you have detailed information or questions about this item, you can contact us at any time and we will give you a satisfactory answer.
Trailer Light Boards
Honiwu Trailer Light Tester, 7 Pin Trailer Plug Tester, Trailer Wiring Tester, 7 Way 12V Trailer Socket, Diagnostic Tools for Caravan RV Recreational Vehicle Truck
£13.99 (as of 05/31/2026 08:20 PST - DetailsProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.)
【Easy to Operate】Plug and play design, no cutting or splicing required, just plug the lighting and cable tester into the socket or plug you want to test, press the test button, the LED display will provide clear diagnostic information for trailers and RVs Tail light signals are displayed simultaneously.
| Brand | Honiwu |
|---|---|
| Manufacturer | Honiwu |
| Color | popular |
| Width | 3.93700787 Inches |
| Height | 3.93700787 Inches |
| Length | 3.93700787 Inches |
| Item Weight | 0.3747858454 pounds |
| Size | normal |
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