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2005 gmc envoy_slt_xl
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Discussion Starter #1
The heater display on my 2005 Envoy has gone blank on me several times and not being able to be turned on for a several minutes . Once it did this and the fan was working but couldn't turn off.
Any suggestions out there? Thanks
 

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2004 gmc envoy_slt
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2,245 Posts
Assuming you have the Digital HVAC system. You either have a defective HVAC control panel or the power for it is going off.
 

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2005 gmc envoy_slt_xl
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Discussion Starter #3
thanks. going to be tough to diagnose with the intermittent aspect. And yet waiting for a full failure could be disastrous when -30
 

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2004 GMC Envoy SLT 4.2
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181 Posts
thanks. going to be tough to diagnose with the intermittent aspect. And yet waiting for a full failure could be disastrous when -30
Like we say in the motorcycle community : Dress for the slide , not the ride . ;)
 
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