I TX09 103M RPO DEFINITIONS I UD4 ALARM VEHICLE SPEED 12O KPH EXPORT U18 SPEEDOMETERJNSTRUMENT KILOMETER EXPORT UI9 SPEEDOMETER NSTRUMENT CANADIAN U52 CLUSTER INSTRUMENT ELECTRONIC Z49 MANDATORY CANADIAN BASE EQUIPMENT MODIFICATI ONS CANADIAN I V ai 1992 GENERAL MOTORS SERVICEPARTS OPERATIONS LIGHT TRUCK 53M t i 9 000 GROUP 942 8 92