The CURT Quick-Plug Brake Controller Harness makes the installation of your brake controller literally a snap. It's designed to allow your brake controller to plug directly into your vehicle's power system using an original equipment connector. This brake controller adapter harness is designed to allow your CURT brake controller harness to plug into a Tekonsha brake controller. It's compatible with select Tekonsha controllers and all CURT quick-plug harnesses.• Allows Tekonsha brake controllers to be used with CURT harnesses Compatible with all CURT quick-plug harnesses | Curt Harness to Tekonsha Brake Controller Adapter