I TZG08 02 RPO DEFINITIONS I ZW9 BASE BODY OR CHASSIS Z49 MANDATORY CANADIAN BASE EQUIPMENT MODIFICATIONS CANADIAN Z73 TR M INTERIOR SPEC AL Z88 GMC TRUCK 721 DUAL HIGH NOTE HORN N ADDITION TO PRODUCTION LOW NOTE I 821 ENGINE DELETE FOR ELECTRIC VEHICLE l 1993 GENERAL MOTORS SERVICE PARTS OPERAT ONS LIGHT TRUCK 53G Y 8 000 GROUP 8 6 2 93