1Power Supply Function: Simply connect the trailer plug to the vehicle socket to activate the tail lights, brake lights, and turn signals. It is a simple and practical solution for power supply. 2Durable and Stable Performance: With a rust resistant and durable housing, the heavy duty plastic structure is built to withstand tough conditions. It is not easily damaged and features brass terminals for excellent conductivity. 3Safe and Reliable Connection: The wiring adapter plug connector easily fits into the existing trailer socket and securely locks in place, leaving no space for wobbling or loose components. 4Easy Installation: The plug and play design of this trailer wiring connector allows for easy installation, without the need for cutting or splicing wires. 5Versatile Use: The wiring adapter connector is designed to work with 24V systems, suitable for a variety of RVs, caravans and boats. Provides a seamless connection for your electrical needs.