Curt 4-Way Flat Connector Socket with 60" Wires. Splices into vehicle wiring to provide a connection for a trailer plug. 4-way flat output connects taillights, brake lights and turn signals. Constructed with bonded 16-gauge wires and durable molded rubber. Features 60" of color-coded wire for easier installation. Designed for use on vehicles and trailers with two-wire systems.