Hummer H2 I facelift (2007-2009) (at lower right side of dash, behind right kick panel) 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

10 15 13 5 9 COURTESY LP CTRL GND AJAR SW SIG GND SERIAL DATA 10 15 13 5 9 LP CTRL GND AJAR SW SIG KEY SW SIG SERIAL DATA 10 3 SERIAL DATA BATTERY POSITIVE VOLT 15 14 LR DOOR AJAR SW SIG RR DOOR AJAR SW SIG 18 25 COURTESY LP CTRL INTERIOR LP DEF SW SIG PPL 5 1 COURTESY LP CTRL INADVERTENT PWR CTRL BCM FUSE BLK WIRE BREAKOUT) CENTER CONSOLE COMPARTMENT LAMP CENTER CONSOLE COMPARTMENT LAMP SWITCH COMPUTER DATA LINES SYSTEM COURTESY LAMP COURTESY/ READING LAMPS DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DOME DRIVER DOOR COURTESY LAMP DRIVER DOOR LATCH (INSIDE DRIVER DOOR BELOW OUTSIDE DOOR HANDLE) DRIVER DOOR LOCK WINDOW GRY WIRE GRY/BLK WIRE HEADLAMP, PANEL DIMMER SWITCH HOT AT ALL TIMES I/P FUSE BLOCK (ON LOWER LEFT SIDE OF I/P, BEHIND ACCESS PANEL) LEFT REAR DOOR COURTESY LAMP LEFT REAR DOOR LATCH ASSEMBLY (AT REAR OF DOOR) LEFT SUNSHADE LT BLU WIRE LT BLU/BLK WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE OVERHEAD CONSOLE COURTESY/ READING LAMPS PASSENGER DOOR LATCH ASSEMBLY (INSIDE PASSENGER DOOR BELOW OUTSIDE DOOR HANDLE) PASSENGER DOOR LOCK/ WINDOW PASSENGER DOOR) PPL READING READING LAMPS (SUV) RED WIRE RED/WHT WIRE RIGHT REAR DOOR COURTESY LAMP RIGHT REAR DOOR LATCH ASSEMBLY (AT REAR OF DOOR) RIGHT SUNSHADE SWITCH TAN WIRE TAN/WHT WIRE WHT WIRE YEL WIRE

BLK WIRE BRN WIRE CENTER HIGH MOUNTED STOP LAMP (CHMSL) DK BLU WIRE DK BLU/WHT WIRE HOT AT ALL TIMES INSTRUMENT PANEL TO LEFT OF STEERING COLUMN) LEFT FRONT MARKER LAMP LEFT FRONT ROOF CLEARANCE LAMP LEFT FRONT ROOF MARKER LAMP LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF LEFT LEFT REAR REAR ROOF ROOF CLEARANCE MARKER LAMP LAMP LEFT PARK/ TURN SIGNAL LAMP LEFT REAR MARKER LAMP LEFT TAIL/STOP LAMP LEFT TAIL/STOP, TURN SIGNAL LAMP LICENSE LAMP LT BLU WIRE LT BLU/WHT WIRE LT PRK FUSE 22 MIDDLE FRONT ROOF MARKER LAMP MIDDLE REAR ROOF MARKER LAMP NCA WIRE PRK LAMP RELAY NEAR BATTERY) RED WIRE RIGHT FRONT MARKER LAMP RIGHT FRONT ROOF CLEARANCE LAMP RIGHT FRONT ROOF MARKER LAMP RIGHT I/P JUNCTION BLOCK (RIGHT SIDE OF I/P BEHIND END TRIM PANEL) RIGHT PARK/ TURN SIGNAL LAMP RIGHT RIGHT REAR ROOF MARKER LAMP REAR ROOF CLEARANCE LAMP RT PRK FUSE 23 SUT SUT SUV SUT SUV SUT SUV SUT SUV TRLR PRK FUSE 21 UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPT) YEL WIRE

13 12 7062 812 PPL BRAKE SW SIG 15 16 19 663 664 111 LEFT TURN SIG RIGHT TURN SIG HAZARD SW SIG 5187 5186 1315 12 13 5 TURN SIG LP CTRL TURN SIG LP CTRL TURN SIG LP CTRL B+ SER DATA BCK/UP LAMP RELAY BLK WIRE BLK/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE HAZARD SW HEADLAMP, PANEL DIMMER SWITCH (ON LEFT SIDE OF DASH, BEHIND LEFT KICK PANEL) HOT AT ALL TIMES HOT W/ RUN/CRANK RELAY ENERGIZED INSTRUMENT PANEL CLUSTER (IPC) INTERIOR LIGHTS IPC FUSE 39 LEFT LEFT REAR TURN SIGNAL LAMP LEFT TURN IND LOGIC LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE MISC IGN FUSE 37 OFF AUTO PARK HEAD ORG/ WIRE ORG/WHT WIRE PARK LPS SIG PNK WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT RIGHT REAR MARKER LAMP RIGHT TAIL/ STOP LAMP RIGHT TAIL/STOP, TURN SIGNAL LAMP RIGHT TURN IND STOP LP CTRL STOP- LAMP SWITCH (ON TOP OF BRAKE PEDAL BRACKET) STUD 1 TRLR FUSE 59 STUD 2 TRLR FUSE 55 TRLR BCK/UP FUSE 8 SYSTEM PPL PNK WIRE TAN WIRE TRAILER CONNECTOR (AT REAR OF VEHICLE BELOW BELOW REAR BUMPER) TRAILER PROVISION (BLUNT CUT) TRLR STOP LT FUSE 1 TRLR STOP LT PCB RELAY TRLR STOP RT FUSE 4 TRLR STOP RT PCB RELAY TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPT) UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) WHT WIRE YEL WIRE YEL/BLK 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

AUTOMATIC TRANSMISSION SHIFT LOCK CONTROL SOLENOID BLK WIRE BLK/WHT WIRE BLOWER MOTOR CONTROL MODULE CENTER CONSOLE 1 ACCESSORY POWER OUTLET CENTER CONSOLE 2 ACCESSORY POWER OUTLET CENTER CONSOLE COMPARTMENT LAMP SWITCH CONNECTOR HARNESS TO DOOR HARNESS) CONSOLE HARNESS) AUTOMATIC TRANSMISSION SHIFT LOCK CONTROL SOLENOID COURTESY/ READING LAMPS DATA LINK CONNECTOR (DLC) DRIVER INFORMATION CENTER (DIC) SWITCH ELECTRONIC BRAKE CONTROL MODULE (EBCM) FRONT ACCESSORY POWER OUTLET FRONT HVAC ACCESSORY CONTROL POWER MODULE OUTLET FUEL SYSTEM CONTROL MODULE (FSCM) GLOBAL WINDOW SWITCH HORN SWITCH INFLATABLE RESTRAINT PASSENGER AIR BAG ON/OFF INDICATOR INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL INSIDE AIR TEMPERATURE SENSOR INSIDE REARVIEW MIRROR (ISRVM) LEFT FRONT ROOF CLEARANCE LAMP LEFT STEERING WHEEL CONTROL SWITCH LEFT SUNSHADE MIDDLE LEFT FRONT FRONT ROOF ROOF MARKER MARKER LAMP LAMP NCA WIRE ONSTAR BUTTON ASSEMBLY OVERHEAD CONSOLE COURTESY/ READING LAMPS PASSENGER DOOR LOCK/ WINDOW SWITCH PASSENGER DRIVER SEAT MEMORY SEAT ADJUSTER MODULE SWITCH PASSENGER SEAT LUMBAR ADJUSTER SWITCH PRNDL PRNDL LAMP 2 LAMP 1 REAR HEATED SEAT CONTROL MODULE REAR WINDOW WIPER/ WASHER CLOCK SWITCH RIGHT I/P JUNCTION BLOCK (RIGHT SIDE OF I/P BEHIND END TRIM PANEL) RIGHT REAR DOOR RIGHT REAR DOOR COURTESY LATCH LAMP RIGHT RIGHT FRONT FRONT ROOF ROOF CLEARANCE MARKER LAMP LAMP RIGHT STEERING WHEEL CONTROL SWITCH RIGHT SUNSHADE TRAILER PROVISION (BLUNT CUT) TRANSFER CASE SHIFT CONTROL SWITCH W/ OFF ROAD SUSPENSION CHASSIS PACKAGE WHT WIRE

BLK WIRE DK GRN WIRE HORN FUSE 24 HORN PCB RELAY HORN SWITCH HOT AT ALL TIMES LEFT HORN (NEAR RADIATOR CORE SUPPORT TO LEFT OF RADIATOR) RIGHT HORN (NEAR RADIATOR CORE SUPPORT TO RIGHT SIDE OF RADIATOR) TAN WIRE UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPARTMENT, NEAR BATTERY)

1639 5060 COMPUTER DATA LINES SYSTEM 6817 2307 2308 333 185 1851 19 20 PPL 50 34 41 33 OIL PRESSURE SENS LOW REF ABS IND. AIR BAG IND AUX HVAC IGN FUSE 41 B+ DIC SW SIG BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (ON LOWER LEFT SIDE OF I/P TO BRAKE FLUID LEVEL SWITCH (MOUNTED TO LOWER LEFT SIDE OF MASTER CYLINDER) BRAKE IND BREAKOUT) BRN WIRE BRN/WHT WIRE CHARGING IND CLOCK COMPT BELOW BATTERY, FUSE BLOCK UNDERHOOD) COMPUTER DATA LINES SYSTEM COOLANT TEMPERATURE GAUGE CRUISE IND DIC MENU SW DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRIVER INFORMATION CENTER DRIVER INFORMATION CENTER (DIC) SWITCH ECM IGN FUSE 47 ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE ENGINE CONTROLS SYSTEM ENGINE OIL LEVEL SWITCH (ON LOWER RIGHT SIDE OF OIL PAN) ENGINE OIL PRESSURE (EOP) SENSOR ENGINE OIL PRESSURE GAUGE EOP SW SIG FOG LAMPS IND FUEL GAUGE FUEL PUMP, SENDER ASSEMBLY GRY WIRE HIGH BEAM IND HOT AT ALL TIMES HOT W/ RUN/CRNK RELAY ENERGIZED IGN VOLT LO SERIAL DATA INSTRUMENT PANEL CLUSTER (IPC) IPC FUSE 39 LED DIMM SUPPLY AIR BAG ON IND AIR BAG OFF IND FLUID LEVEL SIG LO WASHER IND GND LEFT TURN IND LO REF SEAT BELT IND LO SPD SERIAL DATA LOGIC LOW ENGINE OIL PRESSURE IND LOW TIRE PRESSURE IND LT BLU WIRE MALFUNCTION IND MIL CTRL NCA WIRE PARK BRAKE SWITCH (PART OF PARKING BRAKE ASSEMBLY) PARK BRK SW SIG PERSONA- LIZATION SET/ RESET PNK WIRE PPL RDO FUSE 36 RED/WHT WIRE RIGHT TURN IND SEAT BELT IND SECURITY IND SPEEDOMETER SUPPLEMENTAL RESTRAINTS SYSTEM TACHOMETER TAN WIRE TAN/BLK WIRE TAN/WHT WIRE THE LEFT OF STEERING COLUMN) TOW/HAUL IND TRANSMISSION FLUID TEMPERATURE GAUGE TRIP ODOMETER TRIP/ FUEL UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) VEHICLE INFO VOLTMETER VSC IND WARNING SYSTEM WIPER/WASHER SYSTEM YEL 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