Compatible Vehicles: Fit for this fan blower motor resistor kit and wiring harness, you choose automatic AC control! Compatible With Chevy: 2003-2009 Trailblazer, 2003-2006 Trailblazer EXT, 2003-2006 Silverado 1500, 2003 & 2005-2006 Silverado 1500 HD, 2007 Silverado 1500 HD Classic, 2003-2004 Silverado 2500, 2003-2006 Silverado 2500 HD, 2007 Silverado 2500 HD Classic, 2007 Silverado 3500 Classic, 2003-2006 Tahoe, 2003-2006 Avalanche 1500, 2003-2006 Avalanche 2500, 2003-2006 Suburban 1500, 2003-2006 Suburban 2500, 2004-2013 Impala, 2014-2015 Impala Limited, 2004-2007 Monte Carlo. Compatible Vehicles: Compatible With GMC 2003-2006 Sierra 1500, 2007 Sierra 1500 HD Classic, 2003-2004 Sierra 2500, 2003-2004 Sierra 2500 HD, 2007 Sierra 2500 HD Classic, 2007 Sierra 3500 Classic, 2003 & 2005-2006 Sierra 1500 HD, 2003-2009 Envoy, 2003-2006 Envoy XL, 2004-2005 Envoy XUV, 2003-2006 Yukon, 2003-2006 Yukon XL 1500, 2003-2006 Yukon XL 2500. Compatible Vehicles: Compatible With Cadillac: 2003-2006 Escalade, 2003-2006 Escalade ESV, 2003-2006 Escalade EXT. Fit for Other Model: 2003-2004 Oldsmobile Bravada, 2004-2008 Pontiac Grand Prix, 2005 Buick Century, 2004-2007 Buick Rainier, 2005-2009 Buick LaCrosse, 2005-2010 Buick Allure. Compatible with Part Numbers: 15-81773, 1581773, 15850268,15827491, 22754990,15827470, 10356906, 10397570, 89018849, 89018653, 52497491, 10325408, 93803635, 19260762, 973508, 973-508 on various vehicles from model years including 03, 04, 05, 06 with Auto AC Controls. Easy Installation: The Blower Motor Resistor for Air-conditioning System is located on lower passenger side and it can accessible by removing a few screws. Simply remove the screws that secure the blower motor resistor into the blower, remove the resistor assembly, and install the new resistor in place. Premium Quality: we only use quality materials, strict tested before shipping. So that enhance your love car performance. Buy With Confidence: 1 year unlimited-mileage quality guarantee.If you get any problems ,please feel free to contact us. Compatible with: 2004-2007 RAINIER 2003-2006 ESCALADE 2003-2006 AVALANCHE 1500 2003-2006 AVALANCHE 2500 2003-2006 SILVERADO 1500 2007 SILVERADO 1500 CLASSIC 2003-2006 SILVERADO 2500 2007 SILVERADO 2500 CLASSIC 2003-2006 SILVERADO 3500 2007 SILVERADO 3500 CLASSIC 2003-2005 SSR 2003-2006 SUBURBAN 1500 2003-2006 SUBURBAN 2500 2003-2006 TAHOE 2003-2009 TRAILBLAZER 2003-2009 ENVOY 2003-2006 SIERRA 1500 2007 SIERRA 1500 CLASSIC 2003-2006 SIERRA 2500 2007 SIERRA 2500 CLASSIC 2003-2006 SIERRA 3500 2007 SIERRA 3500 CLASSIC 2003-2006 YUKON 2003-2006 YUKON XL 1500 2003-2006 YUKON XL 2500 2003-2008 ASCENDER 2003-2004 BRAVADA 2005-2009 9-7X