Question about 2000 Chevrolet Silverado

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Chevrolet Silverado Fan blower only works on high (5)

My heater/AC blower wil only work on High. No air movement on lower settings.
I am also having problems getting heat out. I think this may be my thearmostat

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The blower motorresister is bad. It controls the blower speeds for low, medium speeds. It is in the air stream of the blower plenum, usually under the hood on the passenger side at the fire wall.

Usually held in with 2 screws and has a wire connector with 4 or 5 wires in it. You can do this repair. Part is available at most auto stores.

Posted on Jan 12, 2009

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