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Fan Blower Control

ducker

By ducker
in 2000-2014 Silverado HD & Sierra HD

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ducker New Member

ducker

Posted
Posted

I have 2003 HD 2500, the A/C & Heater blower control is erratic.

When the vehical is just idling and sitting still the blower quits.

When I travel down the road it comes on but only works from 1-4 speed won't work on 5 at all anytime.

 

What's the cure?

  • 7 months later...

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