2007 Envoy; Various warning lights coming on when I turn AC blower on. It does not work except high speed. Any suggestions?

Asked by Jun 16, 2015 at 07:03 PM about the 2007 GMC Envoy SLE-1 4 Dr SUV 4WD

Question type: Maintenance & Repair

Various warning lights come on mostly when I turn on the AC blower speed control. The blower does operate except on high speed. At first I could turn car off and then start engine and the light would clear and the AC work but now that doesn't work.

1 Answer

ThomasY: Problem solved. Replaced ignition switch. Had a bad set of contacts. Local garage found problem and replaced switch. OK for several months now.

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