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04-22-2011, 02:34 PM
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#1 | |
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AF Newbie
Join Date: Sep 2006
Location: cedar bluff, Alabama
Posts: 55
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Heater/ A/C blower won't shut off
2007 GM, 42,000 miles
The blower for the heater/ A/C runs at high speed all the time. Even after turning every thing off it still runs. No matter what I do it refuses to stop running. The noise is ,well annoying. It does have the digital controls. The only time the blower stops is when the ignition is off. Any suggestions as to what to do to fix it? Thanks. |
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04-22-2011, 02:58 PM
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#2 | |
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One Hot Shot
Join Date: Mar 2010
Location: Venice, Florida
Posts: 444
Thanks: 29
Thanked 28 Times in 27 Posts
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Re: Heater/ A/C blower won't shut off
see if it is the switch? pop the dash cover off and unplug the switch see if it shuts off.
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04-22-2011, 08:03 PM
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#3 | |
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TOKEN HILLBILLY
 
Join Date: Mar 2005
Location: Lexington, Kentucky
Posts: 3,353
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Re: Heater/ A/C blower won't shut off
Possibly the blower motor resistor. If it is shorted across the resistors it could cause the problem. Also there is a module that controls the fan. A high end scan tool can read all the modules for trouble codes.
__________________
Being way2old is why I need help from younger minds The sooner you fall behind the more time you'll have to catch up.  HEY Y'ALL--READ THIS Here are some of our old vehicles for sale. 
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04-23-2011, 02:08 PM
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#4 | |
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AF Newbie
Thread starter
Join Date: Sep 2006
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Re: Heater/ A/C blower won't shut off
Can anyone tell me where the resistor is located? I have looked under the hood on the firewall around the blower housing. Nothing. Also took off a plastic panel below the glove box and again found nothing that looked like a resistor.
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04-23-2011, 08:08 PM
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#5 | |
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TOKEN HILLBILLY
Join Date: Mar 2005
Location: Lexington, Kentucky
Posts: 3,353
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Re: Heater/ A/C blower won't shut off
Is this a manual system or the Electronic controls?
__________________
Being way2old is why I need help from younger minds The sooner you fall behind the more time you'll have to catch up. HEY Y'ALL--READ THIS Here are some of our old vehicles for sale.
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04-24-2011, 04:01 PM
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#6 | |
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AF Newbie
Thread starter
Join Date: Sep 2006
Location: cedar bluff, Alabama
Posts: 55
Thanks: 3
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Re: Heater/ A/C blower won't shut off
Electronic controls.
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