Question about 2003 GMC Sierra 1500

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The blower motor in my 2005 GMC Sierra won't turn

The blower motor in my 2005 GMC Sierra 4.8 won't turn on and there is a strange ticking sound coming from behind my dashboard on the passenger side. I checked the fuses and they seem fine.

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Passenger side under dash by blower there is a thermistor that is fried remove it from housing and replace

Posted on Oct 24, 2009

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Bad actuator in dash very common on gm the dash may have to come out depending on which one is bad

Posted on Oct 24, 2009

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2004 gmc sierra 1500 blower motor location


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The bushing on the blower fan has gone bad and the whole blower unit will need to be replaced soon. Auto Zone sells the blower motor unit and will have the step by step instructions for you to get the job done with common tools. Good luck and keep me posted if you have any more questions.

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1 Answer

Heater only works on levels 3-5 . Levels 1&2 nothing happens


sounds like the blower motor resistor is bad. it's located on the passenger side under the dash behind the blower motor itself. Just changed mine on my 2004 sierra. Fairly easy job to do. Hope this helps :)

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2005 Pontiac Gran Prix blower does not work. I check the fuse at HVAC fuse at the end of the dashboard and it is OK. The switch itself activates the AC light on and off when I turn it...


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