Thread: Fan speed switch

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  1. #1 Fan speed switch 
    Donating Users zildjian102's Avatar
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    Every speed on the A/C fan selector works except for speed 1.. any ideas why it does that?
    2002 Grand Prix GT- top swap soon
    1997 Pontiac Grand Prix GTP-project/parts

    3.4 pulley, intense tune, SD headers, intake, 180 tstat, al104's
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  2. #2 Re: Fan speed switch 
    SE Level Member GothTP's Avatar
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    same thing here, it works on 2,3,4 and 5 but not on 1. I went to the junk yard to replace the control switch but it kept doing the same thing. I guess is something in the blower.
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  3. #3 Re: Fan speed switch 
    Donating Users zildjian102's Avatar
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    normally it dosent bother me but when im on the highway speed 2 will be too much sometimes and i want 1.. o well cant have everything lol
    2002 Grand Prix GT- top swap soon
    1997 Pontiac Grand Prix GTP-project/parts

    3.4 pulley, intense tune, SD headers, intake, 180 tstat, al104's
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  4. #4 Re: Fan speed switch 
    GTP Level Member QwikGT's Avatar
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    done and done

    ZZ Performance
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  5. #5 Re: Fan speed switch 
    GrandPrix Junkie CTKGP09's Avatar
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    yep, blower motor resistor is bad, you will keep losing speeds until you have none
    '04 Chevy Silverado LT 4x4 - intake, headers, full exhaust, zo6 cam, 799 heads, tune, leveled, 33's
    '00 Grand Prix GTP DAYTONA 500 - L36 block, S1X, intercooled, GenV, N*, headers, full exhaust, coilovers, 5 speed swap, stage 3+ clutch
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  6. #6 Re: Fan speed switch 
    SE Level Member GothTP's Avatar
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    yes, sometimes, specially at night, 2 is too much, I have to switch from max ac to normal ac.

    do you know how to fix that? is it something complicated?
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  7. #7 Re: Fan speed switch 
    GT Level Member Lvgrandprix2003's Avatar
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    Fan resistor switch is under the dash next to the blower motor. Its a pain to get to but you can do it. You have to take the bottom cover off under the dash and you will see the blower motor. The resistor will be right next to the motor. Do your self a favor and get a 1/4" universal, and just pull the motor first. The Resistor will be easier to pull. I laid my seat down as far as it would go and just laid on my back and did it. Its a hell of a head rush
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  8. #8 Re: Fan speed switch 
    SE Level Member GothTP's Avatar
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    Thanks, I will be out of the state for a week so I will plan to do the job next weekend I will keep you posted about the results.

    Here is a nice tutorial I found hope it can help: Ontario Quebec Club Grand Prix :: Fan resistor replacement
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  9. #9 Re: Fan speed switch 
    SE Level Member TomOfTarsus's Avatar
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    Wow, I forgot I have this problem, too! I got on because my vent selector switch is broken - it feels like a physical disconnect, but anyway I can't choose between dash vents, defrost, etc., and the air conditioner light is always on. So I'm going to keep searching, but if anybodyu has a link to the correct thread, I appreciate it!
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  10. #10 Re: Fan speed switch 
    Turbo is the way to go. BillBoost37's Avatar
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    Tom..I'm pretty sure that's actuator controlled.
    I drink..so consider that when reading my posts.

    2010 Audi A6 Dual IC's
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  11. #11 Re: Fan speed switch 
    SE Level Member TomOfTarsus's Avatar
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    Thank you, sir. So I have left/right temperature door actuators, and then an actuator for door(s) directing air to defrost, mid-cabin, and/or floorboard area, etc? I wonder why the a/c light is always on now? The system must be stuck in either a "max" or defrost position, which forces the a/c on.

    I went through about 8 pages of the how-to section and couldn't find a thread... so thanks again, not meaning to threadjack.

    Tom
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