Thread: 4210 question.
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Old 10-25-2011, 08:43 PM
Glen E
Senior Member
Join Date: Jul 2004
Location: S Fla
Posts: 23,400

if your 17x antenna is already run from a 3xxx unit, you can wire it into the wiring harness, you do not need to use the nmea 2000 antenna - all the other boxes still use the garmin marine network and are not nmea 2000 devices, The weather and sounder will hook up fine.

Download the garmin install manual from - support to see all this....
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