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Climate control - can not change temp or mode

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2006 Dodge Ram 3500 Mega cab Laramie



Yesterday I drove my truck and I couldn't change the temperature or mode on the climate control. I know there are doors on these trucks that commonly go out, but do they usually do it at the same time? I lost both things at once. It is stuck on cold air blowing out the floor vents. This isn't going to work going into winter in South Dakota! :cool: The only other possibility I can think of is the control head. I have the dual zone and those seem to be harder to find.



My question: Is there an easy way to test either the doors or the control head? Any one have schematics or voltages to test the control head? Anything else is could be? I don't see a fuse that would correspond and there aren't vacuum lines.



I did recently do some AC work but I don't think that should have anything to do with it and the AC still works. If I have to pull the dash do I have to open the AC system?



Thanks
 
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