XM in 99 SLS

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Cadillac Audio, Video and Security Systems Discussion, XM in 99 SLS in Item Specific Cadillac Discussion; I remember seeing a post about 7 months ago of an XM installation in a 98/99 STS or SLS where ...
  1. #1
    jeffrsmith is offline Cadillac Owners Fanatic
    Automobile(s): '99 SLS, '05 Deville, '87 Porsche 944
    Join Date
    Dec 2007
    Ledyard, CT

    XM in 99 SLS

    I remember seeing a post about 7 months ago of an XM installation in a 98/99 STS or SLS where the guy used an XM Terck commander and installed the remote unit in the space under the heater controls. Does anyone have a bookmark to this?

    I want to install a Terx commander in mine and cannot figure out how to cut into the wiring for the CD changer.

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  3. #2
    CadillacSTS42005's Avatar
    CadillacSTS42005 is offline Banned
    Automobile(s): 2005 STS4 1SG: GM Acc Lights, Corsa, Platnium Grille, Volant
    Join Date
    Oct 2005

    Re: XM in 99 SLS

    cannot be done
    you need an 02+ unit at least

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