Automatic a/c circuit for GMC Sierra Classic 3500 (2007-2007)

80 13 45 27 14 35 43 31 58 9 (GASOLINE) (DIESEL) A/C COMP CL RLY CTRL A/C COMP FUSE A/C COMPRESSOR CLUTCH A/C COMPRESSOR CLUTCH RELAY A/C IND A/C LOW PRESSURE SWITCH (RIGHT SIDE OF ACCUMULATOR) A/C ON A/C RECIRC A/C REF PRE SENS SIG A/C REFRIGERANT PRESSURE SENSOR (ON HIGH PRESSURE HOSE) AIR TEMPERATURE SENSOR (LOWER LEFT) (LOWER LEFT FLOOR DUCT ASSEMBLY) AIR TEMPERATURE SENSOR (LOWER RIGHT) (BOTTOM OF HVAC MODULE) AIR TEMPERATURE SENSOR (UPPER LEFT) (BELOW DASH TRIM PANEL) AIR TEMPERATURE SENSOR (UPPER RIGHT) (BELOW DASH TRIM PANEL) AMBIENT AIR TEMPERATURE SENSOR (IN RIGHT FRONT BUMPER FILLER ASSEMBLY AUTO BLK WIRE BLK/WHT WIRE BLOWER MOTOR (RIGHT SIDE OF DASH) BLOWER MOTOR CONTROL PROCESSOR (BEHIND RIGHT SIDE OF DASH) BLWR FUSE BRN WIRE BRN/WHT WIRE CLASS 2 SER DATA CLASS 2 SERIAL DATA DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE FAN DN FAN UP FRT DEF GROUND GROUND TEMP SEN ASSY CTRL BLOWER SPEED CTRL GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN HOT IN RUN OR START HVAC 1 FUSE HVAC CONTROL MODULE (BEHIND CENTER OF DASH) HVAC/ ECAS FUSE I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) I/P JUNCTION BLOCK (LOWER RIGHT SIDE OF DASH) I/P RELAY BLOCK (NEAR LEFT KICK PANEL) IGN E FUSE INSIDE AIR TEMPERATURE SENSOR ASSEMBLY (IN HEADLINER ABOVE DRIVER) INST LAMP DIM CTRL GROUND LEFT TEMP CONTROL LO PRESS SENS SIG RT TEMP DOOR CTRL LT TEMP DOOR CTRL LOGIC LOW REF LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MODE MODE DOOR CTRL IGN 3 LOW REF B(+) MODE DOOR PO SIG OFF ORG/ WIRE PPL PPL/WHT WIRE RECIR RECIR DOOR CTRL RT TMP DOOR PO SIG LT TMP DOOR PO SIG RED WIRE RED/BLK WIRE RIGHT I/P FUSE BLOCK (LOWER RIGHT SIDE OF DASH) RIGHT TEMP CONTROL RUN WIRE SPEED CTRL B(+) GROUND TAN WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT WIRE WHT/BLK WIRE YEL WIRE

11 12 PPL AIR TEMPERATURE ACTUATOR (LEFT) (BOTTOM OF HVAC MODULE) AIR TEMPERATURE ACTUATOR (RIGHT) (TOP OF HVAC MODULE) AMBIENT LIGHT SENS LO REF AMBIENT LIGHT SENS SIG PASS SUNLOAD SENSOR SIG DRVR SUNLOAD SENSOR SIG AMBIENT LIGHT SENSOR AMBIENT LIGHT/SUNLOAD SENSOR ASSEMBLY (TOP CENTER OF DASH) BLK WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) BRN WIRE CLASS 2 SERIAL DATA DK BLU WIRE DK GRN WIRE GRY WIRE I/P JUNCTION BLOCK (LOWER RIGHT SIDE OF DASH) LOGIC LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE MODE ACTUATOR (LEFT SIDE OF HVAC MODULE) PPL RECIRCULATION ACTUATOR (TOP CENTER OF HVAC MODULE) SUNLOAD SENSOR LEFT SUNLOAD SENSOR RIGHT TAN WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE COOL/ FAN RELAY 1 COOL/ FAN RELAY 2 COOL/ FAN RELAY 3 COOL/FAN FUSE DK BLU WIRE DK GRN WIRE ENGINE COOLANT TEMPERATURE (ECT) SENSOR (ON LEFT CYLINDER HEAD) GRN WIRE GRY WIRE HOT AT ALL TIMES LEFT COOLING FAN POWERTRAIN CONTROL MODULE (PCM) RIGHT COOLING FAN UNDERHOOD COOLING FAN FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) YEL WIRE