The Tow-Pro Wiring Harness is available in multiple configurations to suit a large variety of GMC, Cadillac and Chevrolet models and contains fitting instructions and the loom with compatible connector. Mating harness adaptors are also available allowing the user to install the Tow-Pro? using other manufacturers existing custom wiring installations. The Tow-Pro Harness allows you to connect to the Tow-Pro Elite?or Tow-Pro Liberty?electric brake controller to the vehicle's factory fitted connector with an easy plug and play design. Simply plug one end of the harness to the electric brake controller connector and then plug the other end to the factory fitted connector behind the vehicle dash. Compatible with: ? Make Model Year Location code Cadillac Escalade?with factory Tow Package 2015 - 2020 A Chevrolet Silverado 1500 LD?with factory Tow Package 2019 - 2019 A Chevrolet Silverado 1500?with factory Tow Package 2014 - 2018 A Chevrolet Silverado 2500?with factory Tow Package 2015 - 2019 A Chevrolet Silverado 3500?with factory Tow Package 2015 - 2019 A Chevrolet Suburban?with factory Tow Package 2015 - 2019 A Chevrolet Tahoe?with factory Tow Package 2015 - 2020 A GMC Sierra 1500?with factory Tow Package 2014 - 2019 A GMC Sierra 2500?with factory Tow Package 2015 - 2019 A GMC Sierra 3500?with factory Tow Package 2015 - 2019 A GMC Yukon XL?with factory Tow Package 2015 - 2019 A GMC Yukon?with factory Tow Package 2015 - 2019 A