BODY MOUNTING AIR COND INSTRUMENTS GMC GROUP V 9 273 Con t 76 77 CK 1 2 3 Blazer Jimmy V w A C 1st des 348701 1 65 50 CONTROL ASM car heater ia c has only hi spd in max A C position 26 1800 77 CK1 2 3 w A C C60 2nd Des I 78 CK1 2 3 w A C C60 14014544 1 65 25 CONTROL ASM car htr A C has multiple blower spds in the max A C position 26 1800 78 G 1 2 3 w A C C60 7899251 1 30 50 CONTROL ASM A C 26 1800 75 77 G 1 2 3 w A C 9343110 1 3 90 VALVE ASM car htr a c 9 port 26 1800 I 78 G1 2 3 w A C C60 7895760 1 98 SLIDE ASM vlv drive 26 1800 9 275 BOARD CAM CAM ASM COVER DIAL GEAR ASM E RESISTOR RESISTOR ASM SEAL SENSOR SWITCH SWITCH ASM Air Conditioning Electric Temperature and Motor Control NOTE 1 When used on prior model years it may be necessary to tape up the 5th wire as it will not be needed 74 77 G 1 2 3 w A C 1223494 1 39 52 BOARD amplifier car heater and a c 26 1803 74 77 G 1 2 3 w A C 7932907 1 45 CAM temp heater and a c control 26 1845 75 77 G 1 2 3 w A C 7932904 1 55 CAM cable drive 26 1845 74 G 1 2 3 w A C 1223405 1 10 68 CAM ASM selector car heater and a c 26 1845 75 77 G 1 2 3 w A C 9344237 1 2 27 COVER black plastic frt 26 1800 74 77 G 1 2 3 w A C 1223493 1 2193 DIAL package car heater and a c 26 1832M 74 77 G 1 2 3 w A C 9343144 1 1 10 GEAR ASM drive car heater and a c 26 1837 73 G 1 2 3 w floor mounted A C 73 78 CK 1 2 Sub w roof y mounted A C 73 77 M H C 3929051 1 5 65 RESISTOR ASM a c blower 26 0960 73 78 CK 1 2 3 Blazer Jimmy w A C 336403 1 5 80 RESISTOR ASM heater and a c r blower motor 26 0960 74 77 G 1 2 3 w A C 336244 1 3 75 RESISTOR ASM a c blower motor 26 0960 74 78 CK1 2 w H D Htr Defr C42 V 74 78 C3 w H D Htr Defr I 1 C42 500890 1 3 85 RESISTOR a c blo mtr 26 0960 74 75 G 1 2 3 w roof mounted A C 336245 1 3 75 RESISTOR ASM a c blower motor 26 0960 76 77 G 1 2 3 w roof A mounted A C 370802 1 2 70 RESISTOR ASM a c blower mtr 26 0960 78 G 1 2 3 w A C C60 526897 1 3 75 RESISTOR ASM a c blo mtr 26 0960 78 G 1 2 3 w A C C69 459444 1 2 70 RESISTOR ASM A C blo mtr 26 0960 73 74 CK 1 2 3 Blazer Jimmy w A C 346769 1 41 SEAL blower motor resistor 26 1882 74 77 G 1 2 3 w A C 9340401 1 13 30 SENSOR car heater and a c 26 1884 73 78 M H C w A C 73 G 1 2 3 w floor mounted A C 3015259 1 46 25 SWITCH Ranco 26 1890 73 78 M H C 3012089 1 13 30 SWITCH a c blower control 26 1890 74 GCK 1 2 3 Blazer K Jimmy w H D heater A and defroster 1223590 1 N L SWITCH blower car heater and a c 26 1890 73 G 1 2 3 w Air Cond 3999509 1 7 50 SWITCH ASM blower motor 26 1890 73 75 CK 1 2 3 Blazer Jimmy w A C 3027847 1 33 50 SWITCH ASM thermostatic w cover a c used in place of production switch 3027849 and 51 26 1890 73 77 CK 1 2 3 Blazer Jimmy H D vheater and r defroster w A C 469368 1 4 60 SWITCH ASM car heater and control fan blower switch 5 l terminal 26 1890 73 CK 1 2 3 Blazer Jimmy w A C 6273310 1 19 85 SWITCH ASM heater and a c i master selecter switch 8 852 26 1890 73 CK 1 2 3 Blazer Jimmy w A C I 6272089 1 11 00 SWITCH ASM a c comp cut off pressure consist of switch and O ring 26 1857 WAREHOUSING AND DISTRIBUTIONDIVISION OF GENERAL MOTORS CORPORATION LT TRUCK 51 i 9 273 9 275 9 22 REV 2 83