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Heating & Cooling 3rd Gen Dodge Ram Heating & Cooling Problems and Questions.

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Old 07-12-2013, 04:58 PM
Bigoso87 Bigoso87 is offline
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Default Blower motor/AC issue HELP!!

I've been battling with this for about a week now and I can't seem to figure it out. Hopefully someone here will. About a month ago my my fan stopped blowing. I replaced the fan and the fan relay even the relays under the hood. NOTHING!

So i tested the power and no power coming into the fan. DOH! I checked the control knobs and thought they weren't sending power to the motor so I replaced the whole cluster. Still nothing. I have power coming into the ac controls and there is power going out of the controls, but when I test for power at the motor there is nothing. If anyone has or might have any idea what could be happening i would greatly appreciate the help. Thank you! I can post some pictures if that would help anyone.
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Old 07-13-2013, 03:36 PM
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mb power wagon mb power wagon is offline
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it sounds like you have an unplugged harness or wires that have broken or been cut. or even worse they are cracked and the power is jumping into other wires causing a short. try running a new wire from the switch to the fan motor and see if it works that way. if it does trace the wires and find the problem. maybe you need a new harness from the switch to the fan motor.
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Old 07-19-2013, 05:18 PM
curry7500 curry7500 is offline
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sounds like a heater resister bad it is next to the fan motor
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