The REDARC TPH-025 Pigtail Wiring Harness is a universal harness that provides the ability to connect the Tow-Pro Liberty Electric Brake Controller into a wide range of vehicles without a factory tow package. Plug one end of the harness into the brake controller and splice the other end into your vehicle's wiring. The Tow-Pro Pigtail Wiring Harness makes it simple to plug and unplug the controller for use in different vehicles. For use on vehicles without a factory tow package or plug-in port. Wire end splices into your vehicle's wiring, and the connector end joins the plug on your Tow-Pro Electric Brake Controller. Wire end splices into your vehicle's wiring Connector end joins the plug on your Tow-Pro Controller | Redarc Universal Pigtail Brake Controller Wiring Harness, TPH-025