BODY MOUNTING AIR COND INSTRUMENTS GMC GROUP 9 277 Con t 73 G 1 2 3 w roof A mounted A C 3996204 1 5 50 RELAY ASM a c blower motor 1 switch 3 440 7 7340 74 77 G 1 2 3 w roof V J mounted A C 339809 4 85 RELAY ASM a c blower motor switch 4 prong 7 7340 74 77 G 1 2 3 w A C 329827 1 4 85 RELAY ASM a c blower mtr 5 prongs 7 7340 76 77 G 1 2 3 w A C 7930501 1 6 80 RELAY ASM checking 7 7340 77 CK1 2 3 w A C C60 A 2nd des 78 CKG1 2 3 w A C C60 463468 1 12 00 RELAY car htr a c blo mtr cutout 7 7340 73 G 1 2 3 w roof mounted A C 329860 1 3 65 BREAKER ASM A C circuit 45 amp 7 7275 74 77 G 1 2 3 w roof mounted A C 339826 1 3 65 BREAKER ASM a c circuit 7 7275 9 278 CAM CLIP KNOB LEVER ASM SELECTOR ASM Air V Conditioning Control 73 78 M H C 3012091 1 2 40 KNOB A C air control 26 1855 73 78 M H C 3015260 1 2 40 KNOB A C temp control 26 1855 77 G 1 2 3 w A C 7295955 2 70 KNOB select temp 26 1855 7 73 G 1 2 3 w roof mounted A C 6270471 1 2 00 KNOB ASM a c control 26 1855 74 77 G 1 2 3 w roof mounted A C 339810 1 2 50 KNOB ASM a c control 26 1855 78 G 1 2 3 w A C C69 78 G 1 2 3 w aux htr 459464 1 1 05 KNOB A C cont or aux htr switch 26 1855 78 G 1 2 3 w A C C60 7896004 1 90 CAM cable drive 26 1109 74 77 G 1 2 3 339838 1 58 CLIP heater cont wire 26 1109 74 77 G 1 2 3 w A C 9342580 1 95 LEVER ASM heat and a c temp control 23 5200 74 G 1 2 3 w A C 7932343 1 64 LEVER ASM heater and a c selector control 23 5200 i 76 77 G 1 2 3 w A C 7936812 1 90 LEVER ASM heat a c control 23 5200 78 G1 2 3 w A C C60 7897182 1 1 11 LEVER ASM temp heat a c cont 23 5200 78 G1 2 3 w A C C60 7897183 1 97 LEVER ASM selector 23 5200 y 74 77 G 1 2 3 w A C 9343109 1 3 50 SELECTOR ASM mounting for a c included cam 26 1845 9 279 BEZEL DIAL ESCUTCHEON LENS STRAP Air Conditioning Control 73 78 CK 1 2 Sub w roof mounted A C 328241 1 1 00 BEZEL A C blower motor switch 26 1802 73 78 M H C 3028645 1 29 25 BEZEL a c switch 26 1802 73 78 M H C w A C 3028646 1 195 00 BEZEL ASM w controls A C evap 26 1802 76 77 G 1 2 3 w A C 1223493 1 2 93 DIAL package 9 275 26 1804 78 G 1 2 3 w A C C60 1224138 1 3 55 DIAL PACKAGE includes hsg knobs 26 1804 73 78 M H C 3012320 1 2 70 ESCUTCHEON A C switch 26 1833 76 78 CKGP 1 2 3 Blazer Jimmy M H C 348723 1 3 30 LENS htr and a c cont 26 1801 77 78 CK1 2 3 w A C C60 78 G1 2 3 exc C60 3028863 2 76 STRAP mt core 26 1803 9 280 ACTUATOR ASM ELEM ENT SWITCH ASM VALVE ASM AirConditioning Vacuum Control 73 77 CK 1 2 3 w A C 1996603 1 10 55 ELEMENT car htr and A C div vac 26 1685 78 G1 2 3 w A C C60 1996507 1 7 85 ACTUATOR ASM vac air inlet 26 1280 78 CK1 2 3 w A C C60 1996603 1 10 55 ACTUATOR ASM vac air distributor 26 1280 74 77 CK1 2 3 Blazer Jimmy w A C 340428 1 15 75 SWITCH ASM a c vac 9 275 7 6364 73 CK 1 2 3 Blazer Jimmy 7938391 1 4 65 VALVE ASM vac select car htr and A C 9 port 2 6 1600 73 75 CK 1 2 3 Blazer Jimmy 7936661 1 5 60 VALVE ASM htr and a c hot water 3 port 26 1600 74 76 G 1 2 3 93431 10 1 3 90 VALVE ASM vac select 9 port 26 1600 78 G 1 2 3 w A C C60 7897667 1 2 60 VALVE ASM vac 26 1600 WAREHOUSING AND DISTRIBUTIONDIVISION OF GENERAL MOTORS CORPORATION LT TRUCK 51 9 277 9 280 9 24 REV 2 83