Need wiring diagram for repair
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Cadillac DeVille 1985 to 2005 including:
1985-1992 Fleetwood, 1993 Sixty Special, All FWD Forum Discussion, Need wiring diagram for repair in Past Cadillac Vehicle Discussion; Hello everyone! I've come here on and off and everyone has been very helpful in the past and I was ...
  1. #1
    AlcoholicProgram is offline Cadillac Owners Member
    Automobile(s): 1997 DeVille
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    Exclamation Need wiring diagram for repair

    Hello everyone! I've come here on and off and everyone has been very helpful in the past and I was hoping someone could help me find a wiring diagram for the inadvertent relay on a 97 DeVille. I went to Goodyear today to get an oil change and thought I'd have them look at the relay to wire the new one on, after no luck we were unable to find a wiring schematic for it so I am coming here to see if I can get one for them. I am in dire need of this as I am leaving to Pennsylvania (from Oklahoma) tomorrow and I was told this is the root cause for not having interior lights and not being able to charge my GPS/phone in the car. (no accessory ports working)

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  3. #2
    rodnok01's Avatar
    rodnok01 is online now Cadillac Owners Connoisseur
    Automobile(s): 98 DeVille, 97 DeVille d'Elegance
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    The inadvertent relay is backed up by the RAP relay so both have to fail for that to be the issue. Don't remember your exact issues but those relays control more than just those two items to include radio. If radio is functioning doubt those relays are bad. As a quick fix you could run a wire off something else and add a fuse for a temp charge port until you get there.
    The relays are under drivers will and the other behind the rear seat, second set from the right IIRC.

  4. #3
    AlcoholicProgram is offline Cadillac Owners Member
    Automobile(s): 1997 DeVille
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    Re: Need wiring diagram for repair

    I've got the replacement relay and pigtail connector as my old one connector broke off and was indeed a bad relay, which is the RAP relay, by the way.

  5. #4
    rodnok01's Avatar
    rodnok01 is online now Cadillac Owners Connoisseur
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    Not near my computer with diagrams or I would post the diagram for ya.

  6. #5
    AlcoholicProgram is offline Cadillac Owners Member
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    Re: Need wiring diagram for repair

    That's alright, I'm just trying to get it fixed as soon as possible. Real quick, what are all possible causes for the cigarette lighter not working, and rear accessory ports.

  7. #6
    rodnok01's Avatar
    rodnok01 is online now Cadillac Owners Connoisseur
    Automobile(s): 98 DeVille, 97 DeVille d'Elegance
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    Re: Need wiring diagram for repair

    Connector END view with the clip towards the #1 pins
    Pins are located as such:

    A1 B1 C1
    A2 B2 C2

    Pin
    Wire Color
    Circuit No.
    Function

    A1
    BLK
    707
    Relay Control Feed

    A2
    PNK
    70
    Relay Switch Output

    B1-B2
    --
    --
    Not Used

    C1
    RED
    42
    Fused Output - Battery

    C2
    ORN
    40
    Fused Output - Battery

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