1 2 gr 61 3 gm 3 E 10 23 T 1 9 8 5 20 gx 13 R 19 14 18 1 W i 15 25 26 27 42 41 Fi 40 39 31 29 Z2 Q l 18 g M2 19 47 20 28 l l as AM as 34 35 4344 2 36 42 v lE 3 1990 GENERAL MOTORS ERVlC5 TS OPERAT 0N LIGHT YRUCK 52R