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Satellite Radio Antenna install

Car Audio, Video, & GPS

Car Audio, Video, & GPS
Talk about stereos, navigation, amps, subs, and all things car audio

Satellite Radio Antenna install

  • I've got a 2006 Silverado with the factory stereo. I've added a Sirius satellite radio but the power is less than desired. I bought an FM adapter for it and when I tried to hook it up, the adapter was too big for my factory antenna input.  Is there a specific GM adapter for my satellite radio?
  • You will need this and this.

    The first one (12040GM10) lets the factory cable plug into the FM modulator.

    The second one (12040GM21) lets the FM modulator plug into the factory radio.

    Shawn