Hummer H2 I facelift (2007-2009) serial data 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

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

15 13 PPL PPL 7 3 MIRROR HTR GROUND BLK WIRE CLASS 2 SER DATA COMPUTER DATA LINES SYSTEM CONTACT PLATE DEFOG RLY CTL DK GRN WIRE DRIVER DOOR LOCK/ WINDOW SWITCH DRIVER OUTSIDE REARVIEW MIRROR GRN WIRE HOT AT ALL TIMES LOGIC LOGIC HVAC CONTROL MODULE MIDGATE WINDOW MOTOR (INSIDE MIDGATE ON LEFT SIDE) ORG/ WIRE PASSENGER DOOR LOCK/ WINDOW SWITCH PASSENGER OUTSIDE REARVIEW MIRROR PPL REAR DEFOG FUSE 42 REAR DEFOG RELAY REAR DEFOGGER IND REAR DEFOGGER SWITCH REAR WINDOW DEFOGGER GRID SERIAL DATA UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) WHT WIRE

7 3 MIRROR HTR GROUND BLK WIRE CLASS 2 SER DATA COMPUTER DATA LINES SYSTEM DEFOG RLY CTL DK GRN WIRE DRIVER DOOR LOCK/ WINDOW SWITCH DRIVER OUTSIDE REARVIEW MIRROR GRN WIRE HOT AT ALL TIMES LOGIC HVAC CONTROL MODULE ORG/ WIRE PASSENGER DOOR LOCK/ WINDOW SWITCH PASSENGER OUTSIDE REARVIEW MIRROR PPL REAR DEFOG FUSE 42 REAR DEFOG RELAY REAR DEFOGGER IND REAR DEFOGGER SWITCH REAR WINDOW DEFOGGER GRID SERIAL DATA UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) WHT 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

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

2 4 BATTER BATTER 2 6 4 BATTER GROUND BATTER 9 17 451 109 GROUND AJAR SW SIG 9 8 2501 2500 COMPUTER DATA BUS- DATA BUS+ DATA LINES SYSTEM 9 8 SERIAL DATA UNLOCK CTRL 9 8 SERIAL DATA UNLOCK CTRL LOGIC AUX HVAC IGN FUSE 41 BLK WIRE BLK/WHT WIRE COAX COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM PPL DDM FUSE INFO FUSE DK GRN WIRE DOOR HANDLE DRIVER DOOR LATCH (INSIDE DRIVER DOOR BELOW OUTSIDE DRIVER DOOR LOCK/WINDOW SWITCH GMLAN SERIAL DATA GROUND GRY WIRE GRY/BLK WIRE HOOD AJAR SWITCH (PART OF HOOD LATCH ASSEMBLY) HOT AT ALL TIMES HOT W/ RUN/CRANK RELAY ENERGIZED IGN KEYLESS ENTRY ANTENNA LCK 1 FUSE LCK 2 FUSE LEFT I/P JUNCTION LEFT REAR DOOR LATCH (AT LEFT REAR OF DOOR) LIFTGATE DOOR LOCK ACTUATOR (AT LOWER CENTER OF LIFTGATE) LOCK CTRL LOGIC INSTRUMENT PANEL CLUSTER (IPC) LT BLU WIRE NCA WIRE PASSENGER DOOR LATCH (INSIDE PASSENGER DOOR BELOW OUTSIDE PASSENGER DOOR LOCK/WINDOW SWITCH PNK WIRE PNK/BLK WIRE PPL PPL CLOSED SW SIG REAR DOOR LOCK/UNLOCK PCB RELAY RED/WHT WIRE RIGHT I/P JUNCTION BLOCK (RIGHT SIDE OF I/P BEHIND END TRIM PANEL) RIGHT REAR DOOR LATCH (AT RIGHT REAR OF DOOR) RT DOORS CIRCUIT BREAKER SECURITY IND SERIAL DATA TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) UNLCK 1 FUSE UNLCK 2 FUSE VOLT BATT POS WHT WIRE

16 23 HI BEAM RLY CTRL DRL RLY CTRL 18 25 DIMMER SW SIG FLASH TO PASS SIG 8 12 17 11 PARK LAMPS SIG HEADLAMPS ON SIG HEADLAMPS OFF SIG AMB LT SENS SIG AMBIENT LIGHT/ SUNLOAD SENSOR ASSEMBLY AUX HVAC IGN FUSE 41 BLK WIRE BLK/WHT WIRE DK BLU WIRE DK GRN WIRE DRL FUSE 26 DRL PCB RELAY FLASH TO PASS SWITCH GMLAN SERIAL DATA HDLP LO RELAY HEADLAMP DIMMER SWITCH HEADLAMP, PANEL DIMMER SWITCH HI BEAM PCB RELAY HI HDLP RT FUSE 25 HI HDLP LT FUSE 27 HIGH BEAM IND HOT AT ALL TIMES HOT W/ RUN/CRANK RELAY ENERGIZED IGN LEFT DAYTIME RUNNING LAMP (DRL) LEFT HEADLAMP LO BEAM RLY CTRL LO HDLP LT FUSE 9 LO HDLP RT FUSE 14 LOGIC INSTRUMENT PANEL CLUSTER (IPC) LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE OFF AUTO PARK BRAKE SW SIG PARK BRAKE SWITCH (PART OF PARKING BRAKE ASSEMBLY) PARK HEAD PNK WIRE PNK/WHT WIRE RIGHT DAYTIME RUNNING LAMP (DRL) RIGHT HEADLAMP SERIAL DATA TAN WIRE TAN/WHT WIRE TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPT) WHT WIRE YEL WIRE YEL/BLK WIRE

13 15 14 16 LK IND CTRL 4 LO IND CTRL 4 HI IND CTRL 4 WD IND CTRL 3 8 INSTRUMENT PANEL LPS PRK LP SW SIG AIR SUSPENSION CONTROL MODULE AUTO BCM FUSE BLK WIRE BRN WIRE BRN/WHT WIRE CLOCK REAR WINDOW WIPER/WASHER SWITCH COMPUTER DATA LINES SYSTEM DK GRN WIRE DRIVER INFORMATION CENTER GLOBAL PRNDL WINDOW LAMP 1 SWITCH GRN WIRE HEAD HEADLAMP, PANEL DIMMER SWITCH HORN SWITCH HOT AT ALL TIMES I/P FUSE BLOCK (ON LOWER LEFT SIDE OF I/P, BEHIND ACCESS PANEL) HVAC CONTROL MODULE I/P MULTI- FUNCTION W/ SWITCH OFFROAD SUSPENSION CHASSIS PACKAGE IND CTRL INSTRUMENT PANEL CLUSTER (IPC) LEFT REAR WINDOW SWITCH LEFT STEERING WHEEL CONTROL SWITCH LOGIC LT BLU WIRE MIDGATE WINDOW SWITCH (SUT) NCA WIRE OFF ORG/ WIRE ORG/WHT WIRE PARK PNK WIRE PPL PPL PPL PPL/WHT WIRE PRNDL LAMP 2 COMPUTER DATA LINES SYSTEM RADIO RED/WHT WIRE RIGHT REAR WINDOW SWITCH RIGHT STEERING WHEEL CONTROL SWITCH SERIAL DATA STOP- LAMP SWITCH (ON TOP OF BRAKE PEDAL BRACKET) SUNROOF SWITCH (IF EQUIPPED) SWC BKLT FUSE SWITCH TAN/BLK WIRE TRANSFER CASE SHIFT CONTROL MODULE (BEHIND HEADLIGHT TRANSFER CASE SHIFT CONTROL SWITCH W/ HEATED W/S WASHER WHT WIRE WINSHIELD WASHER SOLVENT HEATER (LEFT REAR CORNER OF ENGINE COMPT) 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