The Jeep page is up. This one says 2002-2009 Vipers
[SIZE=+1]Other DaimlerChrysler vehicles:[/SIZE] The RB1 will work without requiring installation modifications in the following vehicles:
Caravan (2002-2007)
Concorde (2002-2004)
Dakota (2002-2004)
Durango (2002-2003)
Intrepid (2002-2004; model year 2000 also confirmed)
Liberty (2002-2007)
Neon (2002-2006; 2000 SE and 2001-2002 R/T confirmed)
PT Cruiser (2002-2006)
Ram pick-up (2002-2006)
Sebring convertible (2002-2006)
Sebring sedan (2002-2006)
Stratus sedan (2002-2006)
300M (2002-2004)
Town & Country (2002-2007)
Viper (2002-2009)
Wrangler (2003-2006, requires special bracket)
Also, you will notice there are many part numbers for the RB1. Of particular note are the later ones that work with the iPod kit and more importantly, the EXTERNAL Amplifier.
P/N 56038629AB
P/N 56038629AC
P/N 56038629AD
P/N 56038629AE
[SIZE=-1](Note: The above radios are not compatible in vehicles having the factory Premium sound system, they do not have the circuitry to trigger the external amplifier)[/SIZE]
P/N 56038629AG
P/N 56038629AH*
P/N 56038629AI*
[SIZE=-1](*Compatible with Chrysler's iPod kit)[/SIZE]
I ended up getting lucky on an AI radio on eBay. Because the Viper has an amp (as far as I know), I would stick with AG, AH, and AI, which you will see on the sticker on top of the radio. Never tried the older ones, figured I would play it safe.