My friends '89 Cadillac Brougham d'Elegance blower won't blow?
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RWD 19xx-1984 DeVille and Fleetwood,
1985-1996 Fleetwood and Brougham Forum Discussion, My friends '89 Cadillac Brougham d'Elegance blower won't blow? in Past Cadillac Vehicle Discussion; Compressor good, new blower motor, fuses good, just no power to the fan. What gives?...
  1. #1
    CandyLacBrome's Avatar
    CandyLacBrome is offline Cadillac Owners Member
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    Unhappy My friends '89 Cadillac Brougham d'Elegance blower won't blow?

    Compressor good, new blower motor, fuses good, just no power to the fan. What gives?

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    cadillac kevin's Avatar
    cadillac kevin is offline Cadillac Owners Master
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    Quote Originally Posted by CandyLacBrome
    Compressor good, new blower motor, fuses good, just no power to the fan. What gives?
    I'd guess bad ground, bad fan speed module, or bad ECC head (in that order).

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    j2rossit is offline Cadillac Owners Enthusiast
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    Re: My friends '89 Cadillac Brougham d'Elegance blower won't blow?

    The Tan wire feeding the blower should be hot at all times. Check to make sure it's getting voltage.
    If it is, then you can run a wire from the from the blower motor case to a good ground and double check the motor starts to turn (be warned that it will spark since the blower is getting 12V already.
    If the motor starts, then the resistor module is highly suspect (The unit mounted in the air plenum directly beside the blower motor). It should be grounded to the center of the firewall.

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    SafariOne is offline Cadillac Owners Fanatic
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    Re: My friends '89 Cadillac Brougham d'Elegance blower won't blow?

    There is also a fusible link in the blower feed.

  6. #5
    CandyLacBrome's Avatar
    CandyLacBrome is offline Cadillac Owners Member
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    Thanks for replying guys, I'm going to let my friend know.

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