The AC Blower Motor Resistor is located on lower passenger side dash and is easily accessible by removing a few screws. Fits models with MANUAL AC controls. Please ensure it looks like the one pictured. Fits the following vehicles: 2002 Escalade 2003-2005 Escalade EXT 2002-2006 Avalanche 1500 2002-2006 Avalanche 2500 1999-2006 Silverado 1500 2007 Silverado 1500 Classic 2001-2003, 2005-2006 Silverado 1500 HD 2007 Silverado 1500 HD Classic 1999-2004 Silverado 2500 2001-2006 Silverado 2500 HD 2007 Silverado 2500 HD Classic 2001-2006 Silverado 3500 2007 Silverado 3500 Classic 2000 Suburban 1500 5.3L 2000 Suburban 2500 2000-2002 Tahoe 1999-2006 Sierra 1500 2007 Sierra 1500 Classic 2001-2003, 2005-2006 Sierra 1500 HD 2007 Sierra 1500 HD Classic 1999-2004 Sierra 2500 2001-2006 Sierra 2500 HD 2007 Sierra 2500 HD Classic 2001-2006 Sierra 3500 2007 Sierra 3500 Classic 2000-2002 Yukon 2000-2002 Yukon XL 1500 2000-2002 Yukon XL 2500 Replaces part numbers: 22807122, 973-409, 15305077, 973409, 15862656, 89018597, 89019089 This is a compatible replacement part manufactured by AA Ignition. This blower motor resistor is NOT a genuine OEM part. Vehicle makes and their associated vehicle models are registered trademarks of their respective owners. These trademarks and part numbers are used in this listing only to identify the vehicles this blower motor resistor fits. AA Ignition is a registered trademark of GWA Auto Parts Inc.