Our 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. Fits the following models: 2002 Cadillac Escalade All Styles 2002 Cadillac Escalade EXT All Styles 2002 Chevrolet Avalanche 1500 All Styles 2002 Chevrolet Avalanche 2500 All Styles 1999-2002 Chevrolet Silverado 1500 All Styles 2001-2002 Chevrolet Silverado 1500 HD All Styles 1999-2002 Chevrolet Silverado 2500 All Styles 2001-2002 Chevrolet Silverado 2500 HD All Styles 2001-2002 Chevrolet Silverado 3500 All Styles 2000-2002 Chevrolet Suburban 1500 w/Amber Turn Signals 2000-2002 Chevrolet Suburban 2500 w/Amber Turn Signals 2000-2002 Chevrolet Tahoe w/Amber Turn Signals 1999-2002 GMC Sierra 1500 All Styles 2001-2002 GMC Sierra 1500 HD All Styles 1999-2002 GMC Sierra 2500 All Styles 2001-2002 GMC Sierra 2500 HD All Styles 2001-2002 GMC Sierra 3500 All Styles 2000-2002 GMC Yukon w/Amber Turn Signals 2001-2002 GMC Yukon Denali w/Amber Turn Signals 2000-2002 GMC Yukon XL 1500 All Styles 2001-2002 GMC Yukon XL 1500 Denali All Styles 2000-2002 GMC Yukon XL 2500 All Styles