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HVAC stopped working.

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Old May 2, 2018 | 10:11 AM
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Default HVAC stopped working.
The fan works but can't change temp, use AC or choose which vent is supplied. Checked all fuses. Now what?

2006 Ram 2500, with a Cummins, if that matters.
 
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Old May 2, 2018 | 11:19 AM
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So when you press the AC button, it doesn't light up?
 
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Old May 2, 2018 | 11:56 AM
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Correct, the AC light does not light up. The only thing that works in that cluster is the fan.
 
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Old May 2, 2018 | 02:06 PM
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You've checked the connection on the back, and/or as much of the harness you can see just to be sure? Because if it's plugged in right and fuses, etc are good, then it sounds like a bad unit.
 
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