PartsSquare Heater Blower Motor Resistor 89019100 Replacement for 2004 2005 2006 2007 BUICK RAINIER 2004 2005 2006 2007 2008 2009 CHEVROLET TRAILBLAZER GMC ENVOY 2002 2003 2004 OLDSMOBILE BRAVADA Replaces Part Numbers of blower motor resistor: 89019100, 15862656, RU-377, 973-008,15415789, 89018439, 89018604 Blower motor resistor Replacement for: 2004 2005 2006 2007 BUICK RAINIER 2002 2003 2004 2005 2006 2007 2008 2009 CHEVROLET TRAILBLAZER 2002 2003 2004 2005 2006 2007 2008 2009 GMC ENVOY 2002 2003 2004 OLDSMOBILE BRAVADA Please Pay Attenion on numbers of Pins and Mounting Holes Package included: 1 unit Blower Motor Regulator Resistor 1 unit 7 wire pigtail connector If the new blower motor resistor didn't work after correct replacement, your blower motor maybe had worked abnormally before your replacement. 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