Fitment: 2004-2007 Buick Rainier 2002-2009 Chevrolet Trailblazer 2003-2006 Chevrolet Trailblazer EXT 2002-2009 GMC Envoy 2002-2006 GMC Envoy XL 2004-2005 GMC Envoy XUV 2002-2004 Oldsmobile Bravada For more details,pls check compatibility Chart. What is a Blower Motor Fan in car？ The blower motor is the fan that pushes heated or cooled air through dashboard vents based on the climate system settings and the fan speed selected. Adjusting the fan speed sends a signal through a resistor to the blower motor to either pick up the pace or slow it down. Features: .
