0 03sierra Member Joined Jan 25, 2008 Messages 2 Reaction score 0 Location Boise, Idaho Jan 25, 2008 #1 I have a 68 stepside that is titled as a C-15. Does anyone know what a C-15 is?
B BradChev Duty Member Joined May 8, 2003 Messages 29 Reaction score 0 Jan 25, 2008 #2 Ussually C-15 meant it was a gmc in the later years. So is it a GMC?
