XMSJSIY 4 Way Flat Trailer Wiring Tester Connector 4 Pin Male and Female Trailer Light Tester Plug Adapter Double End Design with LED Bright Indicators -1 PCS
This 4-pin flat trailer plug tester is equipped with an individual LED indicator for each electrical circuit. It can effectively detect faults in circuits such as taillights, turn signals, or brake lights by displaying the corresponding LED status, thereby saving time and facilitating efficient troubleshooting.
Constructed from high-quality ABS plastic, this 4-way male and female trailer light tester offers excellent durability. Its tin-plated copper terminals ensure superior electrical conductivity. The female terminal tester includes a rubber dust cover that provides protection against dust and moisture, safeguarding the terminals when not in use.
This 4-pin flat trailer light tester is designed for rapid diagnosis of wiring issues in 4-pin trailer circuits. It is user-friendly—simply insert the car trailer light adapter into the tester. If the circuit is functioning properly, the corresponding LED will illuminate.
This compact and portable double end design 4-pin trailer plug tester features a plug-and-play design, making it easy to use and store.
4 Way flat trailer wiring tester is compatible with a wide range of vehicles, including trucks, ships, trailers, recreational vehicles, and other towing vehicles.