Brake Control Wiring - 2-Plug - Fits GMOur 2-Plug units are designed for brake controls that have a wiring port built into the back of the unit. Simply plug the brake control end of the wiring harness into the back of the brake control and the vehicle end into the automobile&';s port. Brake controls that utilize the 2-plug style of wiring harness will be identified with the Plug & Play logo.This Product Fits: 2003-2006 - Cadillac, Escalade, All Styles 2003-2006 - Cadillac, Escalade ESV, All Styles 2003-2006 - Cadillac, Escalade EXT, All Styles 2003-2006 - Chevrolet, Avalanche 1500, All Styles 2003-2006 - Chevrolet, Avalanche 2500, All Styles 2003-2006 - Chevrolet, Silverado 1500, All Styles 2003-2006 - Chevrolet, Silverado 1500 HD, All Styles 2003-2004 - Chevrolet, Silverado 2500, All Styles 2003-2006 - Chevrolet, Silverado 2500 HD, All Styles 2003-2006 - Chevrolet, Silverado 3500, All Styles 2003-2006 - Chevrolet, Suburban 1500, All Styles 2003-2006 - Chevrolet, Suburban 2500, All Styles 2003-2006 - Chevrolet, Tahoe, All Styles 2003-2006 - GMC, Sierra 1500, All Styles 2003-2006 - GMC, Sierra 1500 HD, All Styles 2003-2004 - GMC, Sierra 2500, All Styles 2003-2006 - GMC, Sierra 2500 HD, All Styles 2003-2006 - GMC, Sierra 3500, All Styles 2003-2006 - GMC, Yukon, All Styles 2003-2006 - GMC, Yukon Denali, All Styles 2003-2006 - GMC, Yukon XL 1500, All Styles 2003-2006 - GMC, Yukon XL 1500 Denali, All Styles 2003-2006 - GMC, Yukon XL 2500, All Styles 2003-2007 - Hummer, H2, All Styles 2007 - Chevrolet, Silverado 1500, (Classic) 2007 - Chevrolet, Silverado 1500 HD, (Classic) 2007 - Chevrolet, Silverado 2500 HD, (Classic) 2007 - Chevrolet, Silverado 3500, (Classic) 2007 - GMC, Sierra 1500, (Classic) 2007 - GMC, Sierra 1500 HD, (Classic) 2007 - GMC, Sierra 2500 HD, (Classic) 2007 - GMC, Sierra 3500, (Classic)