PONTIAC MODEL REFEIREMGE 1987 HEEATEH MIODULE VIN PRODUCTION DIV CODE USAGE COL NO 03055105 12 B EXC HTR C46 A CA 1 03042368 23 G EXC A C 2 03055101 12 T EXC A C 3 L 1990 GENERAL MOTORS SERVICE PARTSOPERAT ONS PONT AC 22w REV 6 90 8 25 8 845