7 Way Trailer Plug Replacement Kit for Semi-Trailers, Tractors, Commercial Vehicles, Pickup Trucks, Tractors, Side Wiring Harness Connector, 7 Way Trailer Plug has extension spring, plug secures in a convenient location on the trailer 7-pin trailer plug, made of high quality materials, the plug body is made of corrosion-resistant die-cast zinc metal for durability, tin-plated brass terminals to ensure good electrical conductivity 7-way plug replaces damaged 7-way wiring plugs for taillights, brake lights, turn signals, back-up light signals and auxiliary power on semi-trailers, commercial vehicles/pickup trucks/tractors, improves safety of towing operation Easy to install Wiring plug has a handle hook on each side for easy gripping to prevent the plug from coming loose