12V Trailer Plug, 13 Pin Tester Tow Bar Light Plug Car Trailer Wiring Test Diagnostic Tool Resistance Fault Detection

Features: 1. Trailer Tester: This tester has one side for connecting to a trailer's 13-pin plug and the other side for connecting to a car's plug, making it convenient to use. 2. Main Function: This trailer plug tester can help you quickly check for circuit faults in both vehicles and the trailer's electrical system, as well as perform resistance testing. 3. Durable Construction: Made of high-strength ABS plastic and copper, it is impact-resistant, wear-resistant, anti-aging, and has a long service life. 4. High Performance: Using brass as a conductor provides good electrical conductivity, ensuring more stable operation and greater practicality. 5. Neat Finish: Requires a 9V or PP3 battery (not included), it can test trailer and caravan lights without attaching them to a vehicle, making it very easy to use. Specification: Item Type: Trailer Tester Material: ABS, Copper Specification: 13 pins Voltage: 12V Material: ABS, Copper Color: Black Function: Resistance testing, line fault detection Power Supply: 9V PP3 battery required (not included) Application: Suitable for camper vans and trailers Package List: 1 x Trailer Tester