I A 4P 20222 A A A 0 3 9 cam 69 imlm IVR xi gw A 0 E A ez W 6 T H f w 2 6 m qw A Rv gp S R AA TR 4 o om 3 T A 4P 20222 A 1986 88 s7 REAR AIR BRAKE CHASSIS HARNESS ROUTING A W AIR SYSTEM JE4 1987 GENERAL MOTORS SERVICE PARTS OPERAT ONS M SB G 4 000 GROUP 4G 100 09 87