Front HVAC Blower Motor Resistor for Chevrolet Trailblazer 2002-2009 with Manual A/C

Overview HVAC blower motor resistor controls blower motor speed in the vehicle's ventilation system. It is installed near the blower motor, typically under the dashboard, and replaces the original resistor. Key Features - Varies circuit resistance to adjust blower motor speed - Connects to the vehicle wiring harness Reference Numbers Interchange: HCA41505, RU-377 What's Included 1 x HVAC Blower Motor Resistor; mounting hardware not specified Installation Disconnect the vehicle battery. Locate the resistor near the blower motor, disconnect the wiring harness, and remove the mounting bolts. Install the replacement, reconnect the harness and battery, and check the fan speeds. Vehicle Applications 2004-2007 Buick Rainier 4.2L; 5.3L 2002-2009 Chevrolet Trailblazer 4.2L 2006-2008 Chevrolet Trailblazer 5.3L 2006-2009 Chevrolet Trailblazer 6.0L 2003-2006 Chevrolet Trailblazer EXT 4.2L; 5.3L 2002-2009 GMC Envoy 4.2L 2005-2009 GMC Envoy 5.3L 2002-2006 GMC Envoy XL 4.2L 2003-2006 GMC Envoy XL 5.3L 2004-2005 GMC Envoy XUV 4.2L; 5.3L 2002-2005 GMC Jimmy 4.3L 2003-2006 Isuzu Ascender 5.3L 2003-2008 Isuzu Ascender 4.2L 2002-2004 Oldsmobile Bravada 4.2L