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  1. #1
    Junior Member
    Join Date
    Apr 2018
    Location
    East Lansing, Michigan
    Posts
    10
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    Cadillac XLR

    2004 Xenon Blue XLR

    Default Wanted: Onstar Digital Antenna '07 or later for Box above Windshield

    I have installed an updated VCIM to allow for the Digital Onstar conversion that was never done on my '04. Now I need the digital Onstar antenna that goes in the box above the windshield. Can anyone help with this? Thanks!

  2. #2
    Pit Crew Fireduck69's Avatar
    Join Date
    Mar 2015
    Location
    NorthEast PA
    Posts
    230
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    Cadillac XLR

    2007 Black XLR-V

    Default

    I maybe wrong here but I thought the onstar antenna was in the right mirror on 07 and later. Again I maybe thinking of something else here....

  3. #3
    Member
    Join Date
    Apr 2013
    Location
    Fallbrook
    Posts
    60
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    Cadillac XLR

    2006 Raven Black XLR

    Default

    No that's the XM radio antenna

  4. #4
    Member
    Join Date
    Apr 2013
    Location
    Fallbrook
    Posts
    60
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    Cadillac XLR

    2006 Raven Black XLR

    Default

    Any C6 Corvette Onstar box antenna should work. Around $20 to $30 on Ebay.

  5. #5
    Junior Member
    Join Date
    Apr 2018
    Location
    East Lansing, Michigan
    Posts
    10
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    Cadillac XLR

    2004 Xenon Blue XLR

    Default

    Update: I learned that the XLR antenna box 20781950 never changed during all production years 04-09, so is compatible with the later VCIM that I've installed. I don't need anything else. The box is working, but cannot connect to OnStar. I have the Station ID number and Electronic Serial number for the new box, and apparently need to give that to OnStar when in my vehicle. Stay tuned for more info as I work through this. All I want is the Safety and Security portion of OnStar in case someone gets hold of my XLR.

  6. #6
    Pit Crew
    Join Date
    Sep 2018
    Location
    Aiken SC
    Posts
    481
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    Cadillac XLR

    2008 xlr White

    Default

    I don't have onstar but I leave a 100$ bill on top of my dash hoping it helps someone go ahead and take mine. Don't want to know where it goes after they get it

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