2003 Chevrolet Avalanche Logo
Posted on Jul 15, 2011
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My chevy avalanche aircon blower will not start on 1st to 4th only works on 5th speed. Chevy Avalanche 2003 model with 5.3 L

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  • Chevrolet Master 2,050 Answers
  • Posted on Jul 15, 2011
Anonymous
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Sounds like a blower motor resistor. Not an expensive part, fairly easy for a mechanic to change. Located usually behind the glove box door.

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