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

12 13 PPL BRK SW SIG 17 19 GMLAN BUS- SERIAL DATA ABS IND. ABS PUMP MOTOR ANG SENS SIG BLK WIRE BLK/PPL WIRE BLK/WHT WIRE BRAKE IND BRK SENS SIG PPL BRN WIRE CAN BUS HI CAN BUS LO CLASS 2 SER DATA COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ECM IGN FUSE 47 ENGINE COMPT, NEAR BATTERY) GND CAN BUS LO CAN BUS HI GND SENS PHASE C GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HI SPD GMLAN - HI SPD GMLAN + LO REF HI SPD GMLAN HI SPD GMLAN HOT AT ALL TIMES HOT W/ RUN/CRNK RELAY ENERGIZED IGN CLASS 2 SER DATA IGN GND ANGLE SENS A INSTRUMENT PANEL CLUSTER (IPC) IPC FUSE 39 L SPEED SENS SIG L WHEEL SPD SIG LEFT FRONT WHEEL SPEED SENSOR (ON LEFT FRONT WHEEL HUB ASSEMBLY) LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF INSTRUMENT PANEL TO LEFT LEFT REAR WHEEL SPEED SENSOR (ON LEFT REAR WHEEL HUB ASSEMBLY) LOGIC LOW REF LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE OF STEERING COLUMN) ORG/BLK WIRE ORG/WHT WIRE PARK BRAKE SWITCH PNK WIRE PPL PRK BRK SW R SPEED SENS SIG R WHEEL SPD SIG RADIO AUDIO W/ DVD NAVIGATION RED/BLK WIRE RED/WHT WIRE RIGHT REAR WHEEL SPEED SENSOR (ON RIGHT REAR WHEEL HUB ASSEMBLY) SENS PHASE B SERIAL DATA STOP LAMP SWITCH TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRACTION CONTROL IND UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF VEHICLE SPD SIG VSES/ ABS 1 FUSE 52 VSES/ ABS 2 FUSE 7 VSS YEL 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

5 6 CLASS 2 SER DATA LO PRESS SENS SIG A/C CMPRSR FUSE 15 A/C COMP A/C COMPRESSOR CLUTCH (AT LOWER RIGHT FRONT OF ENGINE) A/C COMPRESSOR RELAY A/C ON IND A/C ON SWITCH A/C REF PRE SENS SIG BLK WIRE CL RLY CTRL CLASS 2 COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE GRY WIRE HVAC CONTROL MODULE LOGIC LOW REF ORG/BLK WIRE SERIAL DATA TAN WIRE TAN/BLK WIRE WHT WIRE

1208 1210 P-T 2500 2501 AIR SUSPENSION RELAY (MOUNTED ON LEFT FENDER BEHIND THE BATTERY) BLK WIRE COMPUTER DATA LINES SYSTEM DK GRN WIRE ECAS FUSE 32 ECAS FUSE 51 HOT AT ALL TIMES INFLATOR AIR SWITCH (RIGHT REAR CORNER OF CARGO BED) INFO NOT AVAILABLE COMPUTER DATA LINES SYSTEM INFO NOT INFO NOT AVAILABLE INFO NOT COONE AVAILABLE LT BLU WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PPL RED/BLK WIRE RED/WHT WIRE S-TWO S-FOUR S-THREE INFO NOT AVAILABLE SERIAL DATA TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) YEL WIRE

1 2 3 6 7 VERT POSITION CTRL HORZ POSITION CTRL LOW REF MTR COMMON ELEMENT CTRL 4 6 B+ GND 5 14 SW SIG BLK WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DDM FUSE DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DOWN DRIVER DOOR LOCK/ WINDOW SWITCH DRIVER MEMORY/ HEATED SEAT SWITCH DRIVER OUTSIDE REARVIEW MIRROR ELECTRO- CHROMIC MIRROR EXIT GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES I/P FUSE BLOCK LEFT LOW REF LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE MIRRORS SYSTEM ORG/ WIRE ORG/BLK WIRE PASSENGER DOOR LOCK/ WINDOW SWITCH PASSENGER OUTSIDE REARVIEW MIRROR PDM (ON LOWER LEFT FUSE SIDE OF I/P, BEHIND ACCESS PANEL) PNK WIRE PPL RED/WHT WIRE RETRACT RIGHT EXTEND RIGHT SELECT SERIAL DATA SWITCH PWR LEFT SELECT WHT WIRE YEL WIRE

1 2 3 B+ LF LO AUD SIG + RF LO AUD SIG + 1 2 8 CELL VOICE SIG LOW REF DRAIN WIRE 367 368 2099 SATELLITE RADIO CIRCUIT 372 388 1573 SATELLITE RADIO CIRCUIT 6817 2550 1947 1546 2011 INTERIOR LIGHTS SYSTEM AUDIO W/ DVD NAVIGATION BARE BARE (SHIELD BLUNT CUT) BARE DRAIN WIRE AUD PROMPT SIG - BLK WIRE BRN WIRE BRN/WHT WIRE CELL VOICE SIG LOW REF DRAIN WIRE CELLULAR TELEPHONE MICROPHONE (LF HEADLINER, DRIVER SIDE) CELLULAR, NAVIGATION ANTENNA (AT TOP LEFT FRONT OF ROOF) COAX COAX COAX RADIO ANTENNA NAVIGATION ANTENNA COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE GRY WIRE HOT AT ALL TIMES INFRARED CTRL L AUD SIG LED DIMM SUPPLY GND LF LO AUD SIG - RF LO AUD SIG - DRAIN WIRE LO LEVEL AUD - WOOFER LO AUD - DRAIN WIRE PNK BARE LO SPD DATA LO SPD SERIAL DATA LR LO AUD SIG + RR LO AUD SIG + TELE VOICE SIG LR LO AUD SIG - LR LO AUD SIG - RR LO AUD SIG - LOW REF LT BLU WIRE LT BLU/BLK WIRE LT GRN/WHT WIRE NAVIGATION SYSTEM ORG/ WIRE ORG/BLK WIRE PNK 5149 5152 1792 2 4 5 WIRE PNK W/ ONSTAR WIRE PNK WIRE PNK/BLK WIRE PPL PPL BARE PPL/WHT WIRE R AUD SIG RADIO RADIO ANTENNA (AT RIGHT FRONT OF VEHICLE) RADIO AUDIO OUT - RADIO R AUD SIG DRAIN WIRE RDO FUSE 36 REAR SEAT AUDIO (RSA) CONTROLLER (AT REAR OF CENTER CONSOLE) RED/WHT WIRE RR LO AUD SIG + SIG GND TAN WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) VEH SIG VIDEO AUDIO W/ DVD NAVIGATION DISPLAY CIRCUIT VIDEO DISPLAY CIRCUIT W/O ONSTAR BARE WHT WIRE WHT/BLK WIRE YEL 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

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