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GrahamL 10-20-2012 12:24 AM

Heater and A/C works intermittently. Blower Motor?
My heater and A/C only works occasionally. At first when I would start up my truck the heater would start up after a few minutes of driving. It has been getting worse and now it only kicks on when I drive on the freeway for awhile, and sometimes it won't kick on even then. I'm thinking my blower motor is shot, what do you guys think? The heat and the A/C both work if the fan turns on, but most of the time the fan just doesn't blow anything through the vents. Thank you in advance for any help!

GTyankee 10-20-2012 01:17 AM

go to your browsers Search engine & type

Dodge heating problems

you could also do it on the YouTube site, which brings up a ton of videos on the subject

you could also type


RamTech 10-20-2012 11:03 AM

Burned up ignition switches are a common cause for this problem. use a test light to check for power to the blower motor with the key in the run position when the fan isn't working. If you have no power, remove the steering column covers and check the ignition switch wiring for a melted plug/connector.

GrahamL 10-21-2012 02:18 PM

Thanks for your replies, I took off the steering column covers and there were alot of wires and I wasn't sure what to look for. Can anyone post pictures or give me a more detailed account of what I should be looking for?

RamTech 10-22-2012 03:14 PM

GrahamL 10-23-2012 12:06 AM

So I tried replacing the blower motor resistor with a coworker's who has the same truck and that didn't work. So it's not that. Then I tried kicking the blower motor and jiggling it around and voila! The fan came right on! So I'm pretty sure I just need a new blower motor. Do you guys agree?

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