did you check under the spare tire cover?
this is what you would be looking for as far as i can tell: http://i13.photobucket.com/albums/a3...s/DSC00762.jpg
the "U 519F" at the bottom is the code, that one is for galaxy silver. a lot of the links i found were for 97-03s so the codes probably aren't the same. this might be a good starting point though. i'll look around some more for you