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Thread: 1995 eldorado fan blower problem

  1. #1
    korte4260 is offline Cadillac Owners Member
    Automobile(s): 1995 Eldorado
    Join Date
    Jul 2013
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    11

    1995 eldorado fan blower problem

    OK, these are the things I have done:

    Checked all fuses in engine compartment and trunk

    Replaced fan motor, because it was not working. ( I bench tested new fan before installing and it worked)

    The front fan does not come on, the back one does (I know the back one runs off different fuse)

    I have noticed that the back fan does not blow out warm air even though the car says the water temp is 212 degrees.

    Could this be a relay and if so which one and where is it located? How to test it.

    Thanks in advance for any advice or ideas.


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  3. #2
    korte4260 is offline Cadillac Owners Member
    Automobile(s): 1995 Eldorado
    Join Date
    Jul 2013
    Posts
    11

    Re: 1995 eldorado fan blower problem

    Well, hopefully someone will respond some time. I see 111 views and no reply. I have an update.

    I puled my new blower fan and decided to bench test it again. Well when I connected the battery positive to the blue wire on blower and battery negative to black negative blower wire nothing. So for kicks and giggles I switched my battery connection around and the fan spun. (put battery negative on blue wire of blower and battery positive to black wire on blower) What gives???

    Hopefully I can get some type of response from this forum. Thank you in advance for any information or help.

  4. #3
    MoistCabbage's Avatar
    MoistCabbage is offline Cadillac Owners 10000+ Posts
    Automobile(s): 2001 Seville STS, 1990 Seville (RIP), 1972 Sedan Deville
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    Have you pulled the codes?

  5. #4
    korte4260 is offline Cadillac Owners Member
    Automobile(s): 1995 Eldorado
    Join Date
    Jul 2013
    Posts
    11

    Re: 1995 eldorado fan blower problem

    Yes, they all come out clear. Could it be that the new blower was wired backwards?

  6. #5
    korte4260 is offline Cadillac Owners Member
    Automobile(s): 1995 Eldorado
    Join Date
    Jul 2013
    Posts
    11

    Re: 1995 eldorado fan blower problem

    Well, update.

    I reversed the positive and negative wires on the blower and plugged it in to the car. The fan turned on as soon as I had the connector plugged in. The car was not turned on or anything, so that is not the problem. I have since switched back the wires on the blower. I am getting power to the red wire on the blower plug and the black ground wire is working also. I jumped the red to the black wire and getting power. I know the red wire is always hot and connecting it to the black wire confirms hot wire and good ground. I am inclined to think it is the climate control module (middle wire), but how do I test. I don't want to spend more money on something I don't need possibly.


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