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Thread: Blower fan won't stop blowing

  1. #1
    Join Date
    Jun 2009
    Location
    Triangle, NC
    Posts
    439

    Blower fan won't stop blowing

    Was running the a/c this morning and went to turn down the fan speed and the fan will not respond. Turned the a/c unit off and the fan is still blowing. Is the the blower control module gone bad or something else?

  2. #2
    Join Date
    Aug 2004
    Location
    Chi Town
    Posts
    251
    certainly not an expert but if I had to guess, I'd say a resistor gone bad. had this happen on my contour.
    2004 Marauder

    SVT Contour 3L

  3. #3
    Join Date
    Sep 2002
    Location
    Cape Cod, MA
    Posts
    13,676
    The MM doesn't have a "resistor". The blower speed is controlled by a separate blower control module that uses a pulse-width modulated signal from the EATC.

    Contact SCCheesehead...he had the same issue recently.
    The Blackbird
    Trilogy #61
    Driveway Queen

    The Spruce Goose
    2004 Grand Marquis LS Limited Edition
    Daily Driver

  4. #4
    Join Date
    Jun 2009
    Location
    Triangle, NC
    Posts
    439
    contact cheeseheadbob?

  5. #5
    Join Date
    Sep 2002
    Location
    Cape Cod, MA
    Posts
    13,676
    No, SC Cheesehead...Rex...
    The Blackbird
    Trilogy #61
    Driveway Queen

    The Spruce Goose
    2004 Grand Marquis LS Limited Edition
    Daily Driver

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