Like trailer hitches and ball mounts, electrical connectors range all over the board in shape, size and capability, but no matter what your trailer's electrical functions are, you need a solid connection to keep the power flowing and ensure safety on the road. Curt electrical connectors are designed and manufactured to give you a reliable connection every time you plug in your trailer. This four way flat connector is designed to supply power for tail lights, turn signals and brake lights, as well as a ground connection. It features durable rubber molded construction and includes 20 ft of standard color coded bonded wire and all necessary installation hardware to easily splice into your trailer's wiring system. This four way flat connector is a male end plug, specifically designed for the trailer side of the connection.