I'm in the process of putting a biscut computer (Pent III) into my Hummer for several reasons:

Street Navigation software,
GPS Interface,
Interface with OBD-II computer running the truck,
Moving Topo Map for off-roading,
e-mail access on the road (wireless connectivity),
and because it's fun.

I'd like to run the output of the computer into the empeg's aux-in. A quick view of the FAQ doesn't mention anything about being able to mix the input's such that I could hear the computers output (voice directions for navigation, warning messages from the software reading the ODB-II outputs)....

Is it possible? How do I go about making it work?

Thanks!

Queue: 351, Mk1 4GB Blue, Mk2 18GB Green

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Queue 351, Now Mk II #60000022 18gb, Blue