Hummer H2 I facelift (2007-2009) wht/blk Wiring diagrams

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

ACCELERATOR PEDAL POSITION (APP) SENSOR (ABOVE ACCELERATOR PEDAL ASSEMBLY) APP SEN 2 SIG LOW REF VSS HIGH SIG VSS LOW SIG PPL AUX HVAC IGN FUSE 41 BAT POS VOT BLK/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL IND DIMMING CTRL CRUISE CONTROL SWITCH SIGNAL CRUISE IND CRUISE SWITCH DK BLU WIRE DK GRN WIRE ECM BATT FUSE 47 GRN/WHT WIRE GROUND GRY WIRE HI SPD GMLAN SER DATA BUS- HOT AT ALL TIMES HOT W/ RUN/ CRANK RELAY ENERGIZED IGN INSTRUMENT PANEL CLUSTER (IPC) IPC FUSE 41 LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH TO LEFT OF STEERING COLUMN) LEFT STEERING WHEEL CONTROL SWITCH LOGIC LT BLU WIRE LT BLU/WHT WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE MISC IGN FUSE 37 PNK WIRE PPL PPL/WHT WIRE RED/WHT WIRE SER DATA SOUND SYSTEMS STOP- LAMP SWITCH (ON TOP OF BRAKE PEDAL BRACKET) TAN WIRE TAN/BLK WIRE THROTTLE BODY (TOP OF ENGINE, MOUNTED TO FRONT OF INTAKE MANIFOLD) TP SENS 1 SIG LOW REF TP SENS 2 SIG TAC MOTOR CTRL 2 TAC MOTOR CTRL 1 UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 PPL DRV BACK ELEMENT CTRL 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 PPL LUMBAR MTR DN CTRL LUMBAR MTR UP CTRL BLK WIRE BREAKOUT) BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CUSHION ELEMENT CTRL DK BLU WIRE DK GRN WIRE DRIVER DOOR LOCK/ WINDOW SWITCH DRIVER MEMORY/ HEATED SEAT SWITCH DRIVER SEAT ADJUSTER MOTOR ASSEMBLY (BELOW DRIVER SEAT MOUNTED TO SEAT TRACK) EXIT GRY WIRE GRY/BLK WIRE LT BLU WIRE LT GRN WIRE MEMORY SEAT MODULE (MSM) (UNDER DRIVER SEAT) MEMORY SET SW SIG ORG/ WIRE PASS BACK ELEMENT CTRL PNK WIRE PPL RED/WHT WIRE SEATS SYSTEM SERIAL DATA TAN WIRE TAN/BLK WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

1589 473 5985 439 440 COOLING FANS SYSTEM 2501 2500 1161 1271 6049 1162 2709 2700 COMPUTER DATA LINES SYSTEM 5-VOL IAT SENS SIG LO REF 5-VOLT REF 2 A/C COMP A/C PRES SIG LO REF ACCELERATOR PEDAL POSITION (APP) SENSOR (ABOVE ACCELERATOR PEDAL ASSEMBLY) AIR CONDITIONING SYSTEM AIR CONDITIONING SYSTEM 3223 3122 BLK/WHT WIRE BREAKOUT) BRN WIRE BRN/WHT WIRE COOLING FANS SYSTEM DATA BUS- DATA BUS+ APP SENS 1 LO REF LO REF APP SENS 2 5-VOL 5-VOL DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ECM BATT FUSE 10 ECM IGN FUSE 47 FAN REL CTRL RLY COIL CTRL FUEL PUMP/ SENDER ASSEMBLY (IN FUEL TANK) GRY WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT W/ RUN/CRNK RELAY ENERGIZED IGNITION SWITCH LOCK LT BLU WIRE LT BLU/WHT WIRE LT GRN/BLK WIRE MAF SENS SIG MASS AIR FLOW (MAF)/INTAKE AIR TEMPERATURE (IAT) SENSOR (IN AIR INDUCTION TUBE) MIL CONTROL PPL ORG/BLK WIRE ORG/WHT WIRE PNK IGNITION VOL WIRE PNK PNK 3 3 WIRE PNK WIRE PPL PPL FUEL LVL-PRI FAN REL CTRL ACC SER DATA IGNITION VOL BATT POSITIVE PPL LO REF FTP SIG PPL/WHT WIRE RED/WHT WIRE REL CTRL RELAY CTRL RUN WIRE STARTING/CHARGING SYSTEM TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCC BRK SIG TCM BATT FUSE 12 TRANSMISSIONS SYSTEM UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) VSS HI SIG VSS LO SIG GROUND WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

BLK/ORG WIRE BRN WIRE BRN/WHT WIRE DK GRN/WHT WIRE ECM/THROT CONT FUSE 3 ENG FUSE 2 FUEL INJECTORS (UPPER LEFT SIDE OF ENGINE) GRY WIRE GRY/WHT WIRE HEATED OXYGEN HEATED OXYGEN SENSOR HOT AT ALL TIMES INJ-A FUSE 20 INJ-B FUSE 11 IPC FUSE 39 NCA WIRE ORG/WHT WIRE PNK PNK 3 3 WIRE PNK PNK PNK WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE POWER DISTRIBUTION SYSTEM PPL PPL/WHT WIRE PWR/ TRN RELAY RED/BLK WIRE RED/WHT WIRE SENSOR 2 (IN RIGHT EXHAUST PIPE, AFTER CATALYTIC CONVERTER) SNSR FUSE 16 SNSR FUSE 6 TAN WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) WHT WIRE WHT/BLK WIRE YEL WIRE

B+ GND BLK WIRE BLK/ORG WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/RED WIRE DK GRN WIRE DK GRN/WHT WIRE FUEL INJECTORS (UPPER RIGHT SIDE OF ENGINE) GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/WHT WIRE HEATED OXYGEN INSTRUMENT PANEL CLUSTER (IPC) KNOCK SENSOR (KS) 1 (LOWER LEFT SIDE OF ENGINE) KNOCK SENSOR (KS) 2 (LOWER RIGHT SIDE OF ENGINE IN FRONT OF STARTER) LOGIC LOW ENGINE OIL PRESSURE IND LOW SPEED LT BLU WIRE LT GRN WIRE MALFUNCTION INDICATOR LAMP NCA WIRE PNK PNK PNK WIRE PNK PNK WIRE PNK WIRE PPL PPL 28 29 PPL/WHT WIRE RED/BLK WIRE RED/WHT WIRE TAN WIRE TAN/WHT WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

BETWEEN BREAKOUTS FOR IGNITION COILS 4, 6) BLK WIRE BLK/ORG WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CAM SOL CTL CAMSHAFT POSITION (CMP) SENSOR (FRONT OF ENGINE, ABOVE CRANK PULLEY) DK BLU WIRE DK BLU/RED WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ECT SIG GEN FDC SIG GRY TAN WIRE GRY WIRE GRY/BLK WIRE GRY/WHT WIRE IGNITION COIL 2 IGNITION COIL 4 (AT RIGHT SIDE OF ENGINE) IGNITION COIL 6 IGNITION COIL 8 INJ 1 CTL INJ 2 CTL INJ 3 CTL INJ 4 CTL INJ 5 CTL INJ 6 CTL INJ 7 CTL INJ 8 CTL LO REF LT BLU WIRE LT GRN WIRE NCA WIRE OIL LVL SW SIG ORG/BLK WIRE PNK PNK WIRE PNK WIRE PPL PPL 28 29 PPL PNK WIRE PPL/WHT WIRE RED WIRE RED/BLK WIRE SOL CTRL SPARK PLUG STARTING/ CHARGING SYSTEM TAC MOT CTL 1 TAC MOT CTL 2 TAN WIRE TAN/WHT WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

5-VOLT BETWEEN THE BREAKOUTS FOR IGNITION COILS 3, 5) BLK WIRE BLUNT CUT) BRN WIRE BRN/WHT WIRE CHG IND SIG CMP SIG COMPUTER DATA LINES SYSTEM DATA BUS - DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT BELOW BATTERY, EOP SIG FUEL FUSE 18 FUSE BLOCK- UNDERHOOD GROUND GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES IGN VOL IGNITION COIL 1 IGNITION COIL 3 IGNITION COIL 5 IGNITION COIL 7 LO REF LO REF LO REF LO REFERENCE LOW REF LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE MAP SIG PPL NCA WIRE ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE PNK WIRE PPL PPL PNK WIRE PPL/WHT WIRE PUMP CTRL RED WIRE RED/WHT WIRE REL CTRL SENS SIG SER DATA SPARK PLUG STARTING/CHARGING SYSTEM TAN WIRE TAN/BLK WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) WHT/BLK WIRE