I used the Peripheral PXDX in my 06. I am pretty sure that the "iPod 2 Car" from the same company since the harnesses are the same. I used the PX DX along with the JL Audio CL-SES to get audio from my GPS, SAT radio as well as iPod into the stock deck.
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2006 CRD
http://www.UtahPowderCoatings.com/ http://www.gorecon.com/ I'm kind of a big deal.
RL rear bumper, ARB front bumper, Mile Marker winch, Power Tank, Skids by Mopar & Skid Row, RL Super Skink Sliders, 235/85R16 MTR, Air Flow Snorkel, DTT, 4.10 gears, Frankenlift II, Katskin leather, JL Audio stereo, Rosen video.