Tekonsha brake control harness Works with Tekonsha and Redline brake controllers. Works with Curt and Hopkins brake controllers using the following adapters sold separately. Curt -- 51520 Hopkins -- TA05-200 Fits: 2005 -- 2007 Ford, F-250 Super Duty, All Styles 2005 -- 2007 Ford, F-350 Super Duty, All Styles 2005 -- 2007 Ford, F-350 Super Duty, Cab & Chassis 2005 -- 2007 Ford, F-450 Super Duty, Cab & Chassis 2005 -- 2007 Ford, F-550 Super Duty, Cab & Chassis