Onstar wiring
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Electrical Technical Information Discussion, Onstar wiring in Item Specific Cadillac Discussion; anyone have Onstar wiring schematics for anything 2002+??...
  1. #1
    89Eldo is offline Cadillac Owners Member
    Automobile(s): 89 Eldorado
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    Onstar wiring

    anyone have Onstar wiring schematics for anything 2002+??

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  3. #2
    Submariner409's Avatar
    Submariner409 is offline If it won't run, chrome it
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    Re: Onstar wiring

    Quote Originally Posted by 89Eldo View Post
    anyone have Onstar wiring schematics for anything 2002+??
    OnStar, particularly the 2002+ digital upgrade package, piggybacks with other functions as well as dedicated harnesses. Everything from the steering wheel, mirror, HU, dash speaker, rear electronics bay in the trunk.

    A GM/Helm service manual or www.alldatadiy.com.

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