BEIJISTAR 7 Pin Trailer Plug Socket Tester, 12V Light Connector Cable Wiring Circuit Diagnostic Testing Tools for Caravan RV Cars Truck Diagnostic(Tester + Adapter)

🌐7 Pin Trailer Light Tester --- The tester can quickly indicate faults in the wiring circuit on the towing vehicle or trailer, the trailer light circuit tester requires 1PC 9V battery (not included). 🌐European Standard --- Passed European CE, ROHS certification, The 12V 7 pin trailer tester is normal European standard, used to car, caravan, RV, trailer, carriers. 🌐Durable Material --- Testers are selected with superior plastic & cross slotted copper needles, cooperate with the female pin, surface after frosted, stable connection. 🌐Easy to Use --- This 12V tester are easy to use, also can be applied to 13 pin with the adapter, one side connects to the 7-pin plug of the trailer and the other side to the 7-pin socket of the towing vehicle. 🌐Customer Service --- Product for sale by BEIJISTAR, we will provide you with friendly customer service. If for some reason you are not completely satisfied with the product, please let us know, we will provide you with a solution as soon as possible.