Question about GMC Sierra 1500

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2005 gmc sierra...took blower motor out and hooked it to a 12volt battery...works fine. replaced resistor and checked all fuses but the blower still won't work...any thoughts?

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Their is a blower motor relay in the fuse box under the hood more than likely your problem!

Posted on Jan 13, 2011

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This would either be a resistor or the switch could also be faulty. Check lines to the switch. You can test switch output with an ohmmeter to see if there is resistance in each setting of the switch. Common GM problem

You can go to autozone.com and register for free repair manual if you desire.


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