Compatible with: Buick LeSabre 2002-2005 Cadillac DeVille 2002-2005 Cadillac Seville 2003-2004 Oldsmobile Aurora 2002-2003 Pontiac Bonneville 2002-2005 Package Includes: 1 x Blower motor fan The function of the blower: The blower is part of your car's air conditioning system. Adjusting the fan speed sends a signal through the resistor to the blower motor to speed up or slow down. How to know if your blower motor needs to be replaced: No or little airflow. Making unusual noises, rattling or squealing. There is a strange smell. .
