4 0 4 U I I 4809 004 I L yi f 4 4 4 090287 9 9 4 0 I V 4 I 4 A g f 0 4 1 i I IN Y I 4 A 4 0 V 2 4 9 I 4 4 ei 4 4 I 9 4 5 Xx 7 4 0 I 4 4 4 m 4 7 I A I Q A A I 4809 004 1985 1988 B A C 4 HEATER CONTROL ASM 0 1 9 273 CONTROL HTR A C 16034664 A 2 9 275 SWITCH SEL ROTARY 16001570 3 9 280 VALVE VAC SEL 9 PORT 0 A 16037778 4 N S LEVER SEL 5 9 279 DIAL KIT 8 852 4 1226655 6 9 278 KNOB4 LVR MODE TEMP BLO SW 0 16006785 7 N S HOUSING I 8 9 275 SWITCH BLO 4 16032480 V 9 N S LEVER TEMP I 4 10 N S BASEPLATE 11 9 280 VALVE VAC SEL 9 PORT 16037778 Y L T 1991 GENERAL MOTORS SERVICE PARTS4OPERAT ONS BU CK 44W 9 000 GROUP 4 A A 9 70 I 6 91 4