visit the how-to section, there is a whole thread there...then if you dont want to do it yourself, PM 1st MP3 in NH and hell hook you up for around 80 bucks shipped...and he makes a damn good kit that fits our cars perfect, and youre supporting a fellow member
yeah chat to craig (1st). very knowledgeable guy (even though i found out where the mysterious +ve power wire goes hehehehehe...sorry 1st), and very helpful too