I just finished installing my iPOD last week!
This link will help you!
http://www.xoutpost.com/articles.php?...icle&artid=115
Well worth it - I have a 2001 with DSP and NAV the installation is really simple the most difficult thing about it was finding a switchable power source once I located that the rest was plug and play! If you need any more info that you cant get from the link feel free to PM me!