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FAN BLOWS CONSTANTLY TILL YOU PULL THE FUSE, REPACED FAN MODULE STILL BLOWS EVEN WHEN THE CAR IS OFF. NO AIR COMES OUT OF THE VENTS???
If you are referring to the fan inside the car, then you need to have a scanner put on the Climate Control System and see what the data stream says. There is computer that controls your system.
Q&A > Cadillac > 2002 Cadillac Escalade