Climate Control Blower Issue
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RWD 19xx-1984 DeVille and Fleetwood,
1985-1996 Fleetwood and Brougham Forum Discussion, Climate Control Blower Issue in Past Cadillac Vehicle Discussion; My 1988 Fleetwood has a blower issue. When the set temperature is close to the actual temperature, the blower will ...
  1. #1
    gplesh99 is offline Cadillac Owners Member
    Automobile(s): 1988 Fleetwood Brougham
    Join Date
    May 2013
    Posts
    11

    Climate Control Blower Issue

    My 1988 Fleetwood has a blower issue.
    When the set temperature is close to the actual temperature, the blower will not turn on, e.g. car being in garage.
    When it is hot from being outside, it will turn on immediately. Also, after a long run, when car is at set temperature, the blower will shut off, and will not come back on until car interior warms up.
    Any suggestions?? I think its the blower module, but that's just a guess.

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  3. #2
    SafariOne is offline Cadillac Owners Fanatic
    Automobile(s): 1981Cadillac Fleetwood Brougham D'Elegance Coupe m
    Join Date
    Mar 2008
    Location
    British Columbia
    Posts
    392

    Re: Climate Control Blower Issue

    Most likely the in-car sensor if anything. The in-car sensor and the ambient sensor are on the same circuit.

  4. #3
    carnut is offline Cadillac Owners Master
    Automobile(s): 1988 Allante' (sold), 1984 Eldorado, 84 Sedan DeVille
    Join Date
    Feb 2003
    Location
    california
    Age
    67
    Posts
    5,886

    Re: Climate Control Blower Issue

    Pull the glove box insert out and confirm the ambient temp sensor ribbed hose is connected at both ends and is not kinked anywhere. This hose is black and a finger's thickness. It funnels a sample of in car air into the climate control module. If off, it would get a delayed signal, if kinked maybe no signal. It runs from the in car sensor in the upper section of the dash to the climate module.

  5. #4
    gplesh99 is offline Cadillac Owners Member
    Automobile(s): 1988 Fleetwood Brougham
    Join Date
    May 2013
    Posts
    11

    Re: Climate Control Blower Issue

    Okay, thanks. I will give that a try.

  6. #5
    gplesh99 is offline Cadillac Owners Member
    Automobile(s): 1988 Fleetwood Brougham
    Join Date
    May 2013
    Posts
    11

    Re: Climate Control Blower Issue

    The hose was perfect. Tight at both ends, no kinks. Maybe a bad sensor??

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