Question about 2002 GMC Envoy

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2002 envoy heater dial only works on the #4

The heater dial used to work from the # 1-4 and not 5. Now it only works on the #4. Could it be the blower motor resister?

Thanks for your help.

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Yes. This is a all too common problem. Replace the resister and it will work like new. Its located under the passenger side dash panel on the under side. Two screws and a plug and your done in 20mins.

Posted on Oct 02, 2009

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