Automatic a/c circuit, hybrid for Chevrolet Tahoe III (2006-2014)

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 AIR TMP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 B(+) 1050 6101 GROUND LOW REF 1851 300 193 GROUND IGN VOLT RER DEFG POWER DISTRIBUTION SYSTEM DEFOGGER SYSTEM A/C LOW PRESSURE SENSOR (RIGHT FRONT OF ENGINE COMPT) A/C ON IND A/C ON SWITCH AIR TEMP PASS SUNLD SNS SIG SNS SIG AMB TMP GMLAN L COMPUTER DATA LINES SYSTEM AMBIENT LIGHT/ SUNLOAD SENSOR ASSEMBLY (CENTER OF DASH) BLK WIRE BLK/WHT WIRE BRN WIRE DK BLU WIRE DK GRN WIRE FRESH AIR IND FRESH AIR REQUEST SWITCH FRONT DEFOGGER IND FRONT DEFOGGER SWITCH FRONT INSIDE AIR TEMPERATURE SENSOR (LEFT FRONT OF HEADLINER) GRY WIRE GRY/BLK WIRE HVAC AMBIENT AIR TEMPERATURE SENSOR (RIGHT FRONT OF ENGINE COMPT) HVAC CONTROL MODULE LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) LEFT TEMPERATURE CONTROL LOGIC LONG WHEEL BASE LOW REF LOWER AUXILIARY AIR TEMPERATURE SENSOR (REAR HVAC MODULE) LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MODE DOWN SWITCH MODE UP SWITCH ORG/ WIRE PNK WIRE PPL PPL/WHT WIRE REAR DEFOGGER IND REAR DEFOGGER SWITCH RECIRCU- LATION IND RECIRCU- LATION SWITCH RED WIRE RED/WHT WIRE RIGHT TEMPERATURE CONTROL RLY CTRL SHORT WHEEL BASE SNS SIG DRV SUNLD L AIR TMP R AIR TMP SW SIG MODE CNTRL SPD CTRL TAN WIRE UPPER AUXILIARY AIR TEMPERATURE SENSOR UPPER LEFT AIR TEMPERATURE SENSOR (CENTER OF DASH) UPPER RIGHT AIR TEMPERATURE SENSOR (CENTER OF DASH) WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

2501 2500 COMPUTER DATA LINES SYSTEM 41 54 PPL RLY CTRL RLY CTRL 47 70 DATA BUS- DATA BUS+ 55 35 49 21 37 57 SENS SIG LOW REF RLY CTRL LOW REF AUX HVAC-IGN FUSE 48 BLK WIRE BRN WIRE CAB HTR PUMP CAB HTR PUMP FUSE 4 DK BLU WIRE DK GRN WIRE ENG FUSE 4 GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT AT ALL TIMES AUXILIARY FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) HOT W/PWR/TRN RELAY ENERGIZED HVAC BATT FUSE 39 HVAC BLWR FUSE 70 HVAC-IGN FUSE 55 LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE ORG/BLK WIRE ORG/WHT WIRE PNK WIRE PPL PPL/WHT WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE RELAY RIGHT I/P JUNCTION BLOCK (RIGHT END OF DASH) RUN/ CRANK RELAY SENS SIG STEERING WHEEL) TAN WIRE TAN/BLK WIRE UNDER- HOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

AUXILIARY FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) BLK WIRE BLU LT WIRE BRN WIRE DK BLU WIRE DK GRN WIRE FAN 1 FUSE FAN CNTRL RELAY FAN HI RELAY FAN LO RELAY FAN MID 1 RELAY FAN MID 2 RELAY FAN-2 FUSE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES LEFT AIR TEMPERATURE ACTUATOR (UNDER LEFT SIDE OF HVAC MODULE) LEFT ENGINE COOLING FAN (BEHIND RADIATOR) LEFT ENGINE COOLING FAN RESISTOR (LEFT SIDE OF RADIATOR) LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE MODE ACTUATOR (LEFT SIDE OF HVAC MODULE) ORG/BLK WIRE PNK WIRE PPL RECIRCULATION ACTUATOR (UPPER RIGHT OF HVAC MODULE) RIGHT AIR TEMPERATURE ACTUATOR (TOP OF HVAC MODULE) RIGHT ENGINE COOLING FAN (BEHIND RADIATOR) TAN WIRE WHT/BLK WIRE YEL WIRE

3 4 5 6 7 8 9 10 11 12 13 14 15 16 MDE CNTRL TEMP CNTRL LOW REF AUTO SWITCH AUXILIARY AIR TEMPERATURE ACTUATOR (REAR HVAC MODULE ASSEMBLY) AUXILIARY BLOWER MOTOR CONTROL MODULE AUXILIARY INSIDE AIR TEMPERATURE SENSOR AUXILIARY MODE ACTUATOR (REAR HVAC MODULE) B+ GROUND SERIAL DATA BLK WIRE BLK/WHT WIRE BLOWER SPEED DOWN SWITCH BLOWER SPEED UP SWITCH BRN WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DRIVE MOTOR GENERATOR POWER INVERTER MODULE (RIGHT SIDE OF ENGINE COMPT) GMLAN GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT AT ALL TIMES AUXILIARY FUSE BLOCK ACCM (LEFT SIDE OF FUSE 3 ENGINE COMPT) HVAC CONTROL MODULE I/P FUSE BLOCK LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) LOGIC LOGIC BLOWER SPEED UP SWITCH LONG WHEEL BASE LOW REF MODE SWITCH MTR CNTRL OFF SWITCH ORG/ WIRE PNK WIRE REAR HVAC FUSE (LEFT END OF DASH) REAR SEAT AUDIO (RSA) CONTROL RED/WHT WIRE SHORT WHEEL BASE SNS CNTRL SPD CTRL TEMPERATURE DOWN SWITCH TEMPERATURE UP SWITCH WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE