13 Pin Trailer Plug Socket Connection Circuit Tester Signal Plug for Trailer
13 Pin Trailer Plug Socket Connection Circuit Tester Signal Plug Socket for Trailer Caravan Truck Features: Indicate problems of car wires quickly, much safer Dull polishing appearance, comfortable touch feeling Made from ABS and copper materials, durable and reliable Compact design and easy to operate, save your time and energy An essential item for safer driving Suitable for a 9V laminated carbon dry battery, the battery is not included Suitable for European vehicles Specification: 13 Pin Trailer Plug Socket Connection Tester Materials:Pastic+Copper Colour:Black Voltage:12V This tester connect 13-pins plug of trailer between 13-pins socket of a car. It helps to diagnostic follow problem: 1. Some LED do not light up. 2. None of the LED light up. 3. One or more LED are weak or twinkle. 4. All the LED are weak or twinkle. 5. The lights of the trailer do not light up but the LED do. Instrument: 1. Put the tester in the socket of the car. 2. Press the yellow button on the side of the tester. 3. If the wiring is good, all the LED light up. Do again steps 4 as previous. Package Include: 1 x 13 Pin Trailer Plug Socket Connection Tester