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#1
12-31-2005, 01:09 PM
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Alero heater fan problems
Hey guys!!
1999 Olds Alero 3.4L. My heater fan will only run on the lower speed settings 1 through 4 but NOT the highest setting! It's cold here now and would like to get my high speed setting back! Any idea's? 
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#2
12-31-2005, 05:50 PM
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Re: Alero heater fan problems
Check the HVAC Blower Motor fuse marked D in the passenger side instrument panel fuse box and fuse #53 in the engine compartment fuse box and make sure neither is blown first.
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#3
01-02-2006, 01:09 AM
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Re: Alero heater fan problems
After that i would check the resister, had the same issue on my 99 alero with a 3.4. Go with what bob sad first, b/c the resister is more expencive, we want to make sure its not a fuse before you replace the resister.
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#5
01-04-2006, 06:29 AM
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Re: Alero heater fan problems
there is a resisator inside the dash. It was like $90 to fix at the dealer due to labor.
Yet another olds issue! Unreal
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#6
01-04-2006, 08:43 AM
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Passenger front side, underneath the glove box. You have to remove a plastic cover. Once you do that you are going to see a round plastic housing. Screwed into the bottom of that is the blower motor resistor. I believe it's got a 15 pin connnector plugged into it. 2 small screws hold the connector into the housing. I would recommend removing the front passenger seat to prevent your back from REALLY hurting.
Hope this helps
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