PartsSquare 89018778 JA1639 89018778 1580567 Heater Blower Control Module w/Wire Harness Replacement for 2003 2004 2005 2006 CHEVROLET SILVERADO 1500 2500 3500 TAHOE & GMC SIERRA 1500 2500 3500 Blower Motor Resistor Only Compatible with: 2004 2005 2006 2007 BUICK RAINIER; 2003 2004 2005 2006 CADILLAC ESCALADE & CHEVROLET AVALANCHE 2500; 2003 2004 2005 2006 CHEVROLET SILVERADO 1500 2500 3500; 2003 2004 2005 2006 CHEVROLET SUBURBAN 1500 2500; 2007 CHEVROLET SILVERADO 1500 CLASSIC 2500 CLASSIC 3500 CLASSIC; 2003 2004 2005 CHEVROLET SSR Blower Motor Resistor Only Compatible with: 2003 2004 2005 2006 2007 2008 2009 CHEVROLET TRAILBLAZER & GMC ENVOY; 2003 2004 2005 2006 GMC SIERRA 1500 2500 3500 & GMC YUKON YUKON XL 1500; 2003 2004 2005 2006 2007 2008 ISUZU ASCENDER; 2005 2006 2007 2008 2009 SAAB 9-7X; Replaces Dealer Part Numbers of Blower Motor Resistor: 89018778 15-80906 18-81773 1581773 15-80567 JA1639 RU-631 52409643 52413530 52495874 1580567 1711975 Package Includes:1 Piece Blower Motor Regulator Resistor + 1 Piece harness 1 Year Warranty: Every Blower Motor Resistor must take inspected and tested multiple times before the shipment, if you get any problems with our this Blower Motor Resistor, please contact us in the first time, we will response it as soon as possible. Safety Notes before replacement: 1.Cut off the engine and disconnect the battery. 1. Wait until the blower motor cool to room temperature. 2. The most important is clearing dust for the blower motor via professional motor detergent, please dont use water to clean!!! 3. Wait until blower motor get dry. 4. Disconnect the electrical connector at the resistor. Replacement note: If the new blower motor resistor didn&#039;t work or stop work in a short time after correct replacement, please check if there was too much dust with your blower motor. Replacement: Remove the negative battery terminal. Locate the blower motor resistor on the passenger side under the dash board. It is mounted to the the blower housing near the blower motor. Disconnect the electrical connector to the blower motor resistor. Remove the screws or bolts to the blower motor resistor and remove the resistor. Installation is the reverse of the removal. Not remanufactured or rebuilt. High Quality Replacement Part. Exact Fit for easy installation. 100% Brand New and tested prior to leaving the factory. High Output Exact Fit