Automatic a/c circuit for Hummer H2 I facelift (2007-2009)

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 ASSEMBLY CTRL 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 B(+) 2 1 GROUND B(+) 5-VOLT REFERENCE MODE DOOR CTRL TEMP DOOR CTRL 5-VOLT REFERENCE TEMP SENS SIG DOOR POSITION SIG DOOR POSITION SIG A/C ON IND A/C ON SWITCH AIR REQUEST IND AIR REQUEST SWITCH AUTO SWITCH AUX HVAC IGN FUSE 41 AUXILIARY AIR TEMPERATURE ACTUATOR (RIGHT REAR OF CARGO AREA ON THE FRONT AUXILIARY BLOWER MOTOR (UPPER REAR OF AUXILIARY HVAC MODULE) BLK WIRE BLK/WHT WIRE COMPUTER DATA LINES SYSTEM CTRL DK BLU WIRE DK GRN WIRE FAN DOWN SWITCH FAN UP SWITCH FRONT DEFOGGER FRONT DEFOGGER IND GND B+ GROUND GROUND IG VOLTAGE GROUND LOW REFERENCE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT W/ RUN/CRANK RELAY ENERGIZED HVAC BLWR FUSE 61 HVAC CONTROL MODULE HVAC IGN FUSE 46 I/P FUSE BLOCK LEFT TEMPERATURE CONTROL LOGIC LOGIC SPEED DOWN LOW REFERENCE LT BLU WIRE LT BLU/BLK WIRE LT GRN/BLK WIRE MODE DOOR CTRL TEMP DOOR CTRL RECIR DOOR CTRL TEMP DOOR CTRL MODE DOWN MODE UP SWITCH MOTOR SPEED CTRL OF AUXILIARY HVAC MODULE ASSEMBLY) OF AUXILIARY HVAC MODULE) OFF SWITCH ORG/ WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PPL REAR DEFOGGER REAR DEFOGGER IND REAR HVAC FUSE REAR SEAT AUDIO (RSA) CONTROL RECIR- CULATION IND RECIR- CULATION SWITCH RED/BLK WIRE RED/WHT WIRE RIGHT TEMPERATURE CONTROL SENS SIG GMLAN SERIAL DATA LO PRESS SENS SIG SERIAL DATA AUXILIARY MODE ACTUATOR (LEFT FRONT SPEED UP SUNLOAD SENS SIG TEMP SENS SIG TEMP SENS SIG RIGHT SW SIG MODE DOOR CTRL SWITCH TAN WIRE TEMP DOWN TEMP MODE ON/ OFF UP TEMP SENS SIG SENS SIG WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

A/C CLUTCH A/C CMPRSR FUSE 15 A/C CMPRSR RELAY BLK WIRE BLK/WHT WIRE BRN WIRE DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ECT SIG ENGINE COMPT, NEAR BATTERY) GRY WIRE GRY/BLK WIRE HEADLIGHTS SYSTEM HI SPD FAN HOT AT ALL TIMES LEFT AIR TEMPERATURE LOGIC ACTUATOR (BOTTOM CENTER OF HVAC MODULE ASSEMBLY) LEFT RIGHT SUNLOAD SUNLOAD SENSOR SENSOR LO SPD FAN LOGIC LOW REF LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MODE ACTUATOR (ON LEFT SIDE OF HVAC ASSEMBLY) ORG/BLK WIRE PNK WIRE PPL PPL/WHT WIRE RECIRCULATION ACTUATOR (ON TOP FRONT OF HVAC ASSEMBLY) RED WIRE RED/BLK WIRE RIGHT AIR TEMPERATURE ACTUATOR (AT MIDDLE TOP OF HVAC ASSEMBLY) RIGHT I/P JUNCTION BLOCK (RIGHT SIDE OF I/P BEHIND END TRIM PANEL) RLY CTRL SENS SIG SPD CTRL TAN WIRE UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

BLK WIRE COOLING FAN DIODE 1 COOLING FAN DIODE 2 DK BLU WIRE DK GRN WIRE FAN 1 FUSE 50 FAN 2 FUSE 53 FAN CONTROL RELAY FAN HI RELAY FAN LO RELAY GRN WIRE GRY WIRE HOT AT ALL TIMES INSIDE AIR TEMPERATURE SENSOR (IN LEFT FRONT HEADLINER ABOVE DRIVER) LEFT ENGINE COOLING FAN (LEFT FRONT OF ENGINE COMPT NEAR RADIATOR) LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF INSTRUMENT LT BLU WIRE LT GRN/BLK WIRE ORG/BLK WIRE PANEL TO LEFT OF STEERING COLUMN) PWR/ TRN RELAY RIGHT ENGINE COOLING FAN (RIGHT FRONT OF ENGINE COMPT NEAR RADIATOR) RIGHT I/P JUNCTION BLOCK (RIGHT SIDE OF I/P BEHIND END TRIM PANEL) SIDE OF ENGINE COMPT, NEAR BATTERY) TAN WIRE UNDERHOOD FUSE BLOCK (AT LEFT WHT/BLK WIRE YEL WIRE