Aux input on 2004 DeVille?
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Cadillac Audio, Video and Security Systems Discussion, Aux input on 2004 DeVille? in Item Specific Cadillac Discussion; Hello, I have an 04 DeVille, with regular stock CD player (no Bose) and no changer. I'd like to add ...
  1. #1
    thermactor is offline Cadillac Owners Member
    Automobile(s): 2004 DeVille
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    Aux input on 2004 DeVille?

    Hello,

    I have an 04 DeVille, with regular stock CD player (no Bose) and no changer. I'd like to add an Aux input for an MP3 player, etc, to the car. Looking at a product called "Aux Box," I see that a wiring harness exists to hook it to the changer input on the radio, but it shows that it is not compatible with the 2004.

    Is there any way to hook up an Aux input on my 04 DeVille? I'm surprised that it's any different than, say, a 2000? Strange.

    Thanks!
    Wes

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  3. #2
    jerryhella is offline Cadillac Owners Member
    Automobile(s): 04' deville (base model)
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    Re: Aux input on 2004 DeVille?

    There is a way. I have the same 04 non bose deville. I had it done at best buy total w install about 250.

  4. #3
    baller95's Avatar
    baller95 is online now Cadillac Owners Enthusiast
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    Re: Aux input on 2004 DeVille?

    get an fm reciever its faster, easier, and cheaper LOL

  5. #4
    N*Caddy's Avatar
    N*Caddy is offline Cadillac Owners Master
    Automobile(s): 1997 Cadillac STS (BOSE w/AUX In, Massage Seats, URPAS, "Z")
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    Re: Aux input on 2004 DeVille?

    Follow my AUX inputs threads/Posts, it shows you exactly how to build your own hard-wired AUX input. You get to keep the CD changer too (if you decide to add one at some point).

  6. #5
    baller95's Avatar
    baller95 is online now Cadillac Owners Enthusiast
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    Re: Aux input on 2004 DeVille?

    Quote Originally Posted by N*Caddy View Post
    Follow my AUX inputs threads/Posts, it shows you exactly how to build your own hard-wired AUX input. You get to keep the CD changer too (if you decide to add one at some point).
    Although I dont need one I'll check that out! And I just realized you live in tdot! Maybe we can meet sometimes and you can check my car cause you're the man with experience :P

  7. #6
    N*Caddy's Avatar
    N*Caddy is offline Cadillac Owners Master
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    Re: Aux input on 2004 DeVille?

    Sure if there is something I can help you with no problem, looks like we are not that far away and I am always happy to help a fellow Cadillac owner. I do leave to North Carolina for the following weeks but I'll be back.

  8. #7
    baller95's Avatar
    baller95 is online now Cadillac Owners Enthusiast
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    Re: Aux input on 2004 DeVille?

    Quote Originally Posted by N*Caddy View Post
    Sure if there is something I can help you with no problem, looks like we are not that far away and I am always happy to help a fellow Cadillac owner. I do leave to North Carolina for the following weeks but I'll be back.
    Alright sounds good !

  9. #8
    csummit is offline Cadillac Owners Member
    Automobile(s): 2004 cadillac deville
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    Re: Aux input on 2004 DeVille?

    N*caddy or anyone else that can help,

    I tried to follow your posts for a 2004 cadillac deville with a radio part number of 15140912 but it seems that the changed the design quite a bit as the st part in no longer in there. There is a chip in there that seems to have a custom part number on it as I am having trouble locating it. This is one of the radios that has a CD in dash and a changer in the trunk. I would private message you but it seems that that option is turned off for me as I just joined. Do you or anyone else have any suggestions as to how I can add my aux input. I was going to try to hook a relay into the harness but I cannot find a pinout for the harness.

    Thanks

  10. #9
    N*Caddy's Avatar
    N*Caddy is offline Cadillac Owners Master
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    Re: Aux input on 2004 DeVille?

    Is your HU base or BOSE?

  11. #10
    csummit is offline Cadillac Owners Member
    Automobile(s): 2004 cadillac deville
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    Re: Aux input on 2004 DeVille?

    I assume base as I do not see BOSE anywhere. I think it is made by Delphi or something like that. Is it possible to just add a relay into the harness and switch in the aux? I would have given it a try but I can't seem to find the wire harness pinout anywhere. All i know is it is a 36 pin connector.

  12. #11
    N*Caddy's Avatar
    N*Caddy is offline Cadillac Owners Master
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    Re: Aux input on 2004 DeVille?

    If is not Bose you have to hack the Audio processor chip. I posted in details with pictures how to do that.

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