This 5-way flat connector is designed to supply power for tail lights, turn signals, reverse lights and brake lights, as well as a ground connection. It features durable rubber-molded construction and is made with 48" of standard color-coded, bonded wire to easily splice into your trailer's wiring system. This 5-way flat connector is a male-end plug, specifically designed for the trailer side of the connection. 5-way flat connectors are commonly used on boat trailers with surge brakes.