2000 Pontiac G A heater fan

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  #1  
Old 02-26-08, 09:32 AM
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2000 Pontiac G A heater fan

The heater fan only blows on high setting. Why?
 
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  #2  
Old 02-26-08, 05:07 PM
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The blower motor resistor is corroded and needs to be replaced, more than likely. These are known to corrode and have been redesigned on certain GM vehicles.
 
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