PONTIAC MODEL REFERENCE 1987 AIR CONDITIONING MODULES VIN PRODUCTION DIV CODE USAGE COL NO 03058504 123 G W A C C60 1 03058501 12 B W C C60 2 03052779 12 T w A C C60 3 i1 1990 GENERAL MOTORS SERVICE PARTS OPERATlONS PONTlAC 22W 9 169 9 12 REV 6 90