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Blower motor running with car off.

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Old Sep 6, 2004 | 02:13 PM
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Default Blower motor running with car off.

I have been having some problems with my battery being dead after a few days of not driving my car. I don't have the electronic shocks and I do not have any other acessorys except my radar detector but I didn't think it would pull that much power to run my battery down. I was out side a couple of nights ago and the blower motor just came on. No keys in the car or anything. I have been having some problems with the AC controls so I pulled the dash apart and unpluged the control unit, but the motor just kept running. I started pulling fuses but couldn't find any that would turn off the blower motor. I ended up getting under the hood and unpluging the fan. But now I don't have any AC, defrost or heater and I really need the defrost some mornings. I am lost on what could be wrong except for maybe a short somewhere but really have no clue on where to start looking.
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Old Sep 7, 2004 | 08:53 PM
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You must have electronic climate control... You need a new blower control module.
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Old Sep 7, 2004 | 11:55 PM
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for instructions to remove the blower controller module, go here http://www.bonnevilleclub.com/techinfo/?article=62
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Old Sep 8, 2004 | 10:55 AM
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sorry, I do not have ECC it is the manual with the three dials. I think I found out the problem though, the relay for the blower was stuck open. I didn't think of the relay because I wasn't aware the relay had a constant power supply, I thought it ran off the ignition, but it is the just the relay switch that is ran off the ignition.

thanks
Mike
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Old Sep 10, 2004 | 06:08 AM
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Default Re: Blower motor running with car off.

Originally Posted by parallelcircuits
I was out side a couple of nights ago and the blower motor just came on. No keys in the car or anything.
Was the blower running in fast speed? Remove the fast speed relay? I think the fast speed relay bypasses the resistor pack applying full potential (batt 12v) to blower. Not real familiar with manual climate controls, just throwing out ideas, thoughts.
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