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Garmin 8612 XSV - Adding GXM Weather

Old 11-22-2020, 06:54 PM
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Default Garmin 8612 XSV - Adding GXM Weather

I currently have a Garmin 8612 XSV. I have a Sirius XM tuner (sxv300) connected to a Rockford Fosgate PMX 8.

The Rockford feeds SiriusXM audio data to the Garmin via the NMEA network and it works great.

I have a Shakespeare SiriusXM Antenna on the roof of my T Top.

Does anyone know if the SiriusXM GXM 54 antenna work with the cable currently connecting the Shakespeare Antenna to the SiriusXM tuner?
Old 11-22-2020, 07:52 PM
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I don't think so, pretty sure it is a nmea 2000 connection. Look up the model number on gamins web site and download the install manual. What you are looking for will be in there.
Old 11-22-2020, 08:07 PM
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The GXM 54 is plug and play with your 8612xsv unit via a Garmin Network (Ethernet) cable..supplied.

https://static.garmin.com/pumac/GXM_...tall_EN-US.pdf

Last edited by semperfifishing; 11-22-2020 at 08:37 PM.
Old 11-22-2020, 08:39 PM
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The stereo does not send anything to the Garmin. You just have remote control capability’s.

I would leave whats there for music. abd add the Garmin wx Antenna. And pay both accounts. As Getting music through the wx antenna is a silly system.
Old 11-23-2020, 01:08 AM
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Go to main screen and go to av,gauges.controls option. The GXM has to be setup in the Media menu. You should already see the different weather icons under the Charts option. On the power module you will see an rca jack coming out. Plug that into the aux on your radio. You will not need the other subscription. You will also need to set up the overlays on your preferred chart screen to give you quick access to the music channels. Otherwise you will have to go back to the Media option every time.
The ability to surf XM channels on your Garmin unit is awesome. You will be paying two subscriptions for the GXM. The weather package and the music package.
Old 11-26-2020, 04:28 AM
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The question is about the antenna cable and connection. Can I connect the GXM antenna to the cable that is already run to my Shakespeare SiriusXM audio antenna?

or, will I need to run a new antenna cable?
Old 11-26-2020, 04:46 AM
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New cable must be run.

Install Diagram

Last edited by bluewaterpirate; 11-26-2020 at 04:53 AM.
Old 11-26-2020, 09:08 AM
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Thank you

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