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  1. XM Antenna As External GPS Antenna?

    Audio/Video
    I am ordering an in dash nav unit. Prolly a pioneer 940bt. I was wondering if there is any way to use your XM antenna as the external antenna the GPS needs?
  2. Cobalt Radio

    Audio/Video
    hello i am new to this forum, so i dont really know how to use it that well, anyways, i would like to know if it is possible to install a newer gm radio( the one with the knob in the middle, with an Aux port) to my cobalt base model, i just got it like 2 weeks ago, so everything is still a bit...
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