Well I remember digging and digging for info a while back on how to tie my Ipod in to the '04 head unit that has the "sat" button on it and not being able to find anything. Someone just pointed this out to me today so I thought I'd share.
Jon
http://www.logjamelectronics.com/piefrd03auxs.html
Jon
http://www.logjamelectronics.com/piefrd03auxs.html