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[aprssig] Tap into in-dash GPS Navigation for APRS?

Tyler Allison tyler at allisonhouse.com
Tue Aug 22 15:57:13 UTC 2006

> Has anyone had success finding a serial port on an OEM in-dash
> navigation system?  In my case it is in a Dodge and I have found that
> the manufacturer is Alpine.  I haven't had an opportunity to take it
> out to see if it has a serial connector on the back.  I doubt that I
> will get that lucky, but maybe there are serial pinouts somewhere
> inside the unit.  Has anyone explored this?

I know folks have been able to tap into the OnStar system's GPS unit so I
would suspect it's gotta be doable if you can find the right pins.


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