Wiring Diagram (s)
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Cadillac Audio, Video and Security Systems Discussion, Wiring Diagram (s) in Item Specific Cadillac Discussion; Hello, I'm turning my Conquest into part Cadillac with the Bose stereo out of a 1995-6 STS. I'm not using ...
  1. #1
    DCjoe is offline Cadillac Owners Member
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    Wiring Diagram (s) (Revised)

    Hello, I'm turning my Conquest into part Cadillac with the Bose stereo out of a 1995-6 STS. I'm not using the power antenna but I'm curious on which wire(s) is/are the antenna signal wire(s). I've searched around here and found some info but I could use complete specifics. Can anyone lead me to diagrams with color codes for the ins and outs for the Bose amp as well as for the 2 connectors off the AC Delco stereo? Thank you very much.

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  3. #2
    DCjoe is offline Cadillac Owners Member
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    Re: Wiring Diagram (s) (Revised)

    I figured out most of the above and I'm trying to appeal to someone here with the knowledge to share to make it all work. I reteived the entire stereo system, wiring harness and all, from a junked 95 STS. There is a purple/white wire off the 7 pin radio connector which turns into a red wire radio side which I'm confused about. Is that data line? If so I could really use your help in how to fire this up via a code reset. Any information or assistance in pointing me in the right direction would be certianly appreciated.

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    Warspite's Avatar
    Warspite is offline Cadillac Owners Fanatic
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    Re: Wiring Diagram (s)

    I just pulled my inop '95 Bose head unit, and I believe the purple/white wire is for lamp dimming control. The factory service manual has very little info on the inner workings of the Bose units (option U1G). I'm attempting aftermarket conversion with a Metra 70-1857 harness, which correctly operates the power antenna - but no sound yet out of the Bose amp/speaker combos. That particular system, although 16 years old, had great sound, until the head unit quit.

    There are 2 connectors that come off the head unit, but a lot of the pins are not used.

  5. #4
    Warspite's Avatar
    Warspite is offline Cadillac Owners Fanatic
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    Re: Wiring Diagram (s) (Revised)

    BTW, it's the 3rd pin.

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