99 eldorado blower motor resister
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Cadillac Seville / Cadillac Eldorado Forum Discussion, 99 eldorado blower motor resister in Past Cadillac Vehicle Discussion; I'm trying to find the location for the blower motor resister. Some say it has one built into the motor ...
  1. #1
    scottz is offline Cadillac Owners Member
    Automobile(s): 99 eldorado
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    99 eldorado blower motor resister

    I'm trying to find the location for the blower motor resister. Some say it has one built into the motor others say it is not. I have the part that GM says goes in but I can't find it anywhere. Any help would be appreciated.

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  3. #2
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
    Automobile(s): White Diamond '03 DHS (with DTS floor shift)
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    Re: 99 eldorado blower motor resister

    There is no blower resistor. Blower speed is controlled by PWM (Pulse Width Modulation) and it's all internal. If the blower ain't blowing, replace it.

  4. #3
    scottz is offline Cadillac Owners Member
    Automobile(s): 99 eldorado
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    Re: 99 eldorado blower motor resister

    Thanks for the quick reply, I'm not sure why RockAuto and O'Reilly's both show the same part for the 99 Eldorado. The fan finally quit working completely today. I jumper-ed it to the battery and it would not come on at all. I checked the voltage at the wires as I turned the fan speed up and down the voltage responded accordingly. I'm ordering a fan tonight.
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  5. #4
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
    Automobile(s): White Diamond '03 DHS (with DTS floor shift)
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    Woodstock Ill.
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    72,910

    Re: 99 eldorado blower motor resister

    Unless the '99 Eldo is different than my '97 Deville I don't recall that part. Not seeing it in any of the diagrams either. Maybe someone else knows.

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