WANGCL 12 Volt 7 Pin Trailer Plug Socket Wiring Circuit Tester Light Circuit Testing Tools For Caravan RV Truck Tractor Trailer Light Diagnostic

• High-quality materials: The trailer socket tester is made of high-quality ABS plastic material on the outside and brass material on the inside. It has greater hardness and toughness, is durable and durable, and can be used for a long time and stable.
• Widely applicable: This 12V electrical trailer plug & socket wiring tester can be applied to trailers, caravans, bicycles with 7-pin plugs and sockets or 13-pin plugs and sockets (only for European vehicles) for towbar tester
• LED indicator: The trailer cable circuit tester has an LED indicator, which can indicate the circuit failure on the car or trailer. Safe and dependable performance, reasonable design, deft appearance, convenient usage.
• Easy to use: You do n’t need other complicated tools, just connect one end of the trailer 7 plug and the other end to the 7 pin plug and socket of the car. The installation is simple
• Use steps：One side of the tester is connected to the 7-pin plug of the trailer, and the other side is connected to the 7-pin socket of the car. indicator can indicate the circuit fault on the car or trailer.

Product Description: Material:ABS + Brass Simply insert the lighting and cable tester into the socket or plug to be tested, press the test button and a clear diagnosis is made via the LED display. It is easy to use and practical. 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 will quickly show whether the trailer or car coil is connected properly. Suitable for 7-pin connectors. Indicates failures in the vehicle or trailer circuit. Portable, easy to store, hand-held design. Application: This high-quality 12V electrical trailer plug & socket wiring tester can be applied to trailers, caravans, bicycles with 7-pin plugs and sockets or 13-pin plugs and sockets (only for European vehicles) for towbar tester Specification: Material: ABS + Brass Color:Blue + Black Size:19.6*5.5*4.2cm Weight:330g Packaging includes: 1*Tester 2 *Conversion Heads