Hummer H2 I facelift (2007-2009) computer data lines system Wiring diagrams

11 14 1 GND CUSHION ELEMENT CTRL SEAT BACK ELEMENT CTRL PNK PPL WIRE 2 6 PNK PNK LOW REF LOW REF WIRE 6 1 4 B+ GND GND 6 4 CUSHION ELEMENT CTRL SEAT BACK ELEMENT CTRL BLK WIRE COMPUTER DATA LINES SYSTEM DDM FUSE DK BLU WIRE DK GRN WIRE DRIVER BACK HEATED SEAT ELEMENT (UNDER DRIVER SEAT BACK UPHOLSTERY) DRIVER CUSHION HEATED SEAT ELEMENT (IN DRIVER SEAT CUSHION) DSM FUSE GRY WIRE HOT AT ALL TIMES I/P FUSE BLOCK (ON LOWER LEFT SIDE OF I/P, BEHIND ACCESS PANEL) LOW REF LOW SPD SERIAL DATA LT BLU WIRE LT GRN WIRE MEMORY SEAT MODULE (UNDER DRIVER SEAT) NCA WIRE PASSENGER BACK HEATED SEAT ELEMENT (UNDER PASSENGER SEAT BACK UPHOLSTERY) PASSENGER CUSHION HEATED SEAT ELEMENT (IN PASSENGER SEAT CUSHION) PDM FUSE PNK GND WIRE PNK WIRE PPL RED/WHT WIRE SEAT BACK TEMP SIG SEAT CUSHION TEMP SIG TAN WIRE TAN/BLK WIRE YEL WIRE YEL/BLK WIRE

13 11 10 9 7 6 4 2 1 MEMORY SW DIM CTRL SEAT BACK IND CTRL PPL 4 6 B+ GND BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DRIVER DOOR LOCK/ WINDOW SWITCH DRIVER MEMORY/ HEATED SEAT SWITCH GRY WIRE HEATED BACK IND HEATED BACK SWITCH HEATED BACK/ CUSHION IND HEATED BACK/ CUSHION SWITCH HIGH TEMP IND LOW SPEED SERIAL DATA LOW TEMP IND LT BLU WIRE MEDIUM TEMP IND PASSENGER DOOR LOCK/WINDOW SWITCH PASSENGER HEATED SEAT SWITCH PNK WIRE PPL RED/WHT WIRE TAN WIRE WHT/BLK WIRE 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

12 2 PNK WIRE 4 9 PNK WIRE AUTOMATIC DAY/NIGHT MIRROR SIG AUX HVAC IGN FUSE 41 BACKUP LAMP RLY CTRL BLK WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN/WHT WIRE DRAIN DRIVER DOOR LOCK/ WINDOW SWITCH DRIVER OUTSIDE REARVIEW MIRROR ELECTROCHROMIC MIRROR GROUND GRY WIRE GRY/BLK WIRE HIGH SPEED SER DATA BUS- HOT W/ RUN/ CRANK RELAY ENERGIZED I/P FUSE BLOCK (ON LOWER LEFT SIDE OF I/P, BEHIND ACCESS PANEL) IGN INSIDE REARVIEW MIRROR (ISRVM) LOGIC LOW REF LT BLU WIRE NAVIGATION SYSTEM NCA WIRE OUTSIDE AIR TEMP DISPLAY OUTSIDE AIR TEMPERATURE SIG PNK PNK WIRE PNK WIRE POWER DISTRIBUTION SYSTEM TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) VIDEO+ WHT WIRE YEL WIRE

B+ WINDOW DN WINDOW UP GROUND SWITCH PWR BATTERY DOWN CTRL UP CTRL GROUND BLK WIRE BLOCK (RIGHT SIDE OF I/P BEHIND END TRIM PANEL) BLU/BLK WIRE BLU/YEL WIRE BRN WIRE BRN/WHT WIRE CLASS 2 DATA COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DOWN DOWN DOWN INPUT FRONT PASSENGER WINDOW SWITCH DOWN LEFT REAR WINDOW SWITCH DOWN SIG DRIVER DOOR LOCK/WINDOW SWITCH DRIVER WINDOW MOTOR (IN DRIVER DOOR DRIVER WINDOW SWITCH DRIVERS WINDOW SWITCH FRONT PASS WINDOW SWITCH GLOBAL WINDOW SWITCH HOT AT ALL TIMES I/P FUSE BLOCK (ON LOWER LEFT SIDE OF I/P, BEHIND ACCESS PANEL) LOCKOUT INDICATOR LOCKOUT SWITCH LOGIC LT DR CIRCUIT BREAKER ORG/ WIRE PASSENGER DOOR LOCK/WINDOW SWITCH PASSENGER WINDOW MOTOR (IN FRONT PASSENGER DOOR) RED/WHT WIRE RIGHT I/P JUNCTION RIGHT I/P JUNCTION BLOCK (RIGHT SIDE OF I/P BEHIND END TRIM PANEL) RIGHT REAR WINDOW SWITCH RT DOORS CIRCUIT BREAKER 1 SERIAL DATA SWITCH POWER UP SW SIG MTR UP SIG SW SIGNAL UP UP INPUT WHT WIRE

10 20 8 2 3 19 6 16 B+ B+ IGN MDGTE SW UP MDGTE SW DN MDGTE SW UP GROUND GROUND BLK WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DOWN DOWN SIGNAL GROUND HOT W/ RUN/ACCY RELAY ENERGIZED LEFT REAR WINDOW MOTOR (IN LEFT REAR DOOR) LEFT REAR WINDOW SWITCH LOCKOUT SIG LOGIC LR DOWN SIG LR UP SIG LT BLU/WHT WIRE LT GRN WIRE MIDGATE WINDOW MOTOR (INSIDE MIDGATE ON LEFT SIDE) MIDGATE WINDOW SWITCH MOTOR DOWN CONTROL MOTOR UP CONTROL ORG/ WIRE PPL RED/WHT WIRE RIGHT REAR WINDOW MOTOR (IN RIGHT REAR DOOR) RIGHT REAR WINDOW SWITCH RR DOWN SIG RR LOCKOUT SIG RR UP SIG RUN/ ACCY FUSE 40 SERIAL DATA TAN WIRE UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) UP SIGNAL SW LCKOUT SIG UP WHT WIRE YEL WIRE

AMP FUSE 35 AMPLIFIER CTRL RR LO AUD SIG + LR LO AUD SIG + RF LO AUD SIG + LF LO AUD SIG + AUDIO AMPLIFIER (UNDER FRONT FLOOR CONSOLE, BETWEEN FRONT SEATS) BLK WIRE BREAKOUT, 14 CM FROM BREAKOUT) BREAKOUT, 24 CM FROM FUSE BREAKOUT, 29 CM FROM FUSE BREAKOUT, 9 CM FROM BREAKOUT) BRN WIRE BRN/WHT WIRE CENTER I/P SPEAKER COMMUNICA- TION ENABLE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE GRY WIRE HOT AT ALL TIMES I/P FUSE BLOCK (ON LOWER LEFT SIDE OF I/P, BEHIND ACCESS PANEL) LEFT D PILLAR SPEAKER RIGHT FRONT (SUV) TWEETER SPEAKER LEFT FRONT LEFT FRONT TWEETER SPEAKER SPEAKER LEFT REAR SPEAKER LR SPK OUT + LR SPK OUT - LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE NCA WIRE NEXT ORG/ WIRE ORG/BLK WIRE PNK WIRE PREVIOUS RED/WHT WIRE RIGHT D PILLAR SPEAKER (SUV) RIGHT FRONT SPEAKER RIGHT I/P JUNCTION BLOCK (RIGHT SIDE OF DASH BEHIND END TRIM PANEL) RIGHT REAR SPEAKER RIGHT STEERING WHEEL CONTROL SWITCH RR LO AUD SIG - LR LO AUD SIG - RF LO AUD SIG - LF LO AUD SIG - REMOTE ENABLE SEEK SOURCE STEERING SIG SUBWOOFER SPEAKER TAN WIRE UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) VOICE REC VOL DOWN VOL UP 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

1 2 3 CAMERA VID SIG + CAMERA VID SIG + DRAIN WIRE 7 6 CAMERA VID SIG + CAMERA VID SIG + AUDIO W/ DVD NAVIGATION BLK WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE GRY WIRE HOT W/ RUN/ CRANK RELAY ENERGIZED INSIDE REARVIEW MIRROR (ISRVM) LAMP RLY CTRL LO SERIAL DATA LT BLU WIRE MISC IGN FUSE 37 NCA WIRE ORG/ WIRE PNK PNK WIRE PNK WIRE RADIO REARVIEW CAMERA (CENTER OF REAR BUMPER ABOVE TRAILER HITCH RECEIVER) SOUND SYSTEMS TAN/BLK WIRE UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) WHT WIRE

1 2 3 4 5 6 7 8 B+ GND BACK CUSHION IND BACK IND BACK SWITCH BACK/ CUSHION SWITCH BLK WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE GND ELEMENT CTRL GND ELEMENT CTRL PNK WIRE HOT AT ALL TIMES I/P FUSE BLOCK (ON LOWER LEFT SIDE OF I/P, BEHIND ACCESS PANEL) LEFT REAR CUSHION HEATED SEAT ELEMENT (UNDER RIGHT REAR SEAT CUSHION UPHOLSTERY) LOGIC REAR SEAT AUDIO (RSA) CONTROL LOW REF LT BLU WIRE NCA WIRE ORG/ WIRE PNK WIRE REAR HEATED SEAT CONTROL MODULE (UNDER FRONT OF LEFT REAR SECOND ROW SEAT) REAR SEAT FUSE RED/WHT WIRE RIGHT REAR CUSHION HEATED SEAT ELEMENT (UNDER LEFT REAR SEAT CUSHION UPHOLSTERY) SENS SIG SERIAL DATA WHT/BLK WIRE