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Old 06-28-2009, 06:43 PM
mcline1968 mcline1968 is offline
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Join Date: Jun 2009
Location: Austin, TX
Age: 46
Posts: 5
Gender: Male
Vehicle: 2008 3500 DRW
Trim Level: SLT
Color: BLACK
Engine: 2007-2011 409ci (6.7L) Cummins Turbo Diesel 350hp 650lb/ft
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Smile AC blower problems

Hello all,
This is my first post on here and I am hoping that I find this forum to as helpful as the corvette and harley forums have been to me.

Here is my issue:
I have a 2004, 2500 4x4, 5.7
About a month ago i started having this problem that once in a while when i started the truck I would get no blowing from the AC. I could feel that there was very cold air trickling out of the duct but no blower. I would turn the truck off, then turn it back on and that would solve the problem.

Friday, it happened and the blower has not come back on since. at first i thought it was a panel switch issue but have since realized that the temp. switch and the blend switch are working.

So i feel it is now either the blower motor or the blower motor resistor.

How can i test the resistor and can i test the blower motor by simply connecting it straight to 12v and a ground?

Any suggestions would be reatly appreciated.

Thanks
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