CURT 56258 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Select Lincoln MKZ Turnoverball No Hitch Balls

No Hitch Balls

and they provide a standard 4-way flat connector to plug into the socket on your RV or truck

or opaque stop/handle

livestock hauler or recreational vehicle trailer -- if you have a receiver-style trailer

CURT 56258 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Select Lincoln MKZ Turnoverball No Hitch BallsIf your vehicle is not equipped with wiring for towing a trailer, CURT custom wiring is the ideal solution. A custom wiring harness also called a T connector is a simple, plug and play electrical device that plugs into your automotive electric system and provides a standard, universal trailer wiring connection. This is done using two or more vehicle specific, OEM compatible connectors to plug into the taillight assembly, eliminating the need for