2005 GMC Sierra blower motor

2005 GMC SIERRA
79,000 MILES • V8 • 4WD • AUTOMATIC
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RTHEROYS
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When I turn on my heat or ac sometimes I can control the blower motor just fine other times and this seems to be more often now the blower motor will not increase in speed
May 24, 2010 at 5:54 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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