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sonnymurray 11-04-2013 09:16 PM

Blower not blowing
Here while back, then blower would start coming on when the truck was turned off. Then it started not coming on, then I noticed when I lowered the steering wheel it came on. Now, it won't come on at all. I checked the fuse, and it's fine. So that's not it. Any ideas?

dalboa 11-04-2013 10:13 PM

Pull the connector at the blower motor and check voltage when operating switch on and off to see if it's getting power.
Was the switch in the off position when you discovered it running with the ignition off?

sonnymurray 11-04-2013 10:34 PM

No, the switch was in the on position. I forgot to add that it is a 2005 3500 diesel.

GTyankee 11-04-2013 10:48 PM

the Dodge Climate Controls have always had issues like yours
you can watch trouble shooting videos about it

go online to Youtube & type in Heatertreater Dodge
they have 3 videos just for the Dodge Vehicles & you will also see that there are many other videos on the same subject

dalboa 11-04-2013 11:34 PM

Yeah, i also have a 06 3500 dually w 5.9 cummins. My horn quit working about the same time the actuator door in the heater box fouled out on me. GTYankee s got it right with the heater treater vids. They're pretty informative.
Your problem however sounds more like a wiring issue from your description. Not sure what would allow your blower to come on even with the ignition off unless someone has rerouted the power or changed the factory wiring. Are you the original buyer of the truck? Does the truck have any power accessories that have been added that one might have rerouted power to?

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