Wiring diagrams for Hummer H2 I facelift (2007-2009)

Automatic a/c circuit Compressor circuit

Anti-lock brakes circuit

Forced entry circuit Pass-key circuit

Body control modules circuit

Computer data lines circuit

Cooling fan circuit

Cruise control circuit

Defoggers circuit, sut Defoggers circuit, suv

Electronic suspension circuit

Wiring diagram engine performance 6.2l vin 8

Backup lamps circuit Exterior lamps circuit

Ground distribution circuit

Headlights circuit

Horn circuit

Instrument cluster circuit

Courtesy lamps circuit Instrument illumination circuit

Driver"s memory seat circuit Memory mirrors circuit

Navigation circuit Rear camera circuit

Power distribution circuit

Power door locks circuit

Power mirrors circuit

Front heated seats circuit Passenger power seat circuit Passenger"s lumbar circuit Rear heated seats circuit

Power top/sunroof circuit

Power windows circuit

Radio circuit, without surround amplifier Radio circuit, with surround amplifier Satellite radio circuit Video display circuit

Ignition lock solenoid circuit Shift interlock circuit

Charging circuit Starting circuit

Supplemental restraints circuit

A/t circuit Transfer case circuit

Midgate circuit

Warning systems circuit

Front wiper/washer circuit Heated windshield washer circuit Rear wiper/washer circuit

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 DIFF LOCK SW SIG 4-HI LOCK IND 4-LO LOCK IND 10 3 SERIAL DATA BATTERY POSITIVE VOLT 59 58 17 RLY COIL CTRL LOW SPD RLY CTRL HI SPD RLY CTRL AMPLIFIER CTRL RR LO AUD SIG + LR LO AUD SIG + RF LO AUD SIG + LF LO AUD SIG + ANTI-LOCK BRAKES SYSTEM ANTI-LOCK BRAKES SYSTEM SHIFT INTERLOCK SYSTEM AUDIO AMPLIFIER BATTERY CABLE ASSEMBLY) BATTERY DOWN CTRL UP CTRL GROUND BATTERY POSITIVE VOLTAGE COMPT, NEAR BATTERY) COOLING FAN DIODE COOLING FAN DIODE 1 COOLING FAN DIODE 2 DIFFERENTIAL LOCK IND DR LOCK CTRL DRIVER DOOR LOCK WINDOW FAN REL CTRL RLY COIL CTRL FRONT WASHER DIODE FUEL IGNITION IGNITION INJECTOR COIL/ COIL/ MODULE MODULE HORN RLY CTRL IGNITION COIL 1 IGNITION COIL 2 IGNITION COIL 3 IGNITION COIL 5 IGNITION COIL 6 IGNITION COIL 7 IGNITION COIL 8 IGNITION COIL MODULE IGNITION COIL/ MODULE 2 IGNITION FUEL COIL/ INJECTOR MODULE IGNITION FUEL FUEL COIL/ INJECTOR INJECTOR MODULE IGNITION IGNITION COIL/ COIL/ MODULE 1 MODULE 3 IGNITION IGNITION COIL/ COIL/ MODULE 4 MODULE 6 IGNITION IGNITION COIL/ COIL/ MODULE 5 MODULE 7 IGNITION IGNITION COIL/ COIL/ MODULE MODULE INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL LEFT HORN LOCK CTRL NEUTRAL 4 LO LOCK 4 HI LOCK 4 HI PASSENGER DOOR LOCK/ WINDOW REAR DR LOCK SW SIG REAR WASHER DIODE RIGHT HORN TRACTION CTRL SW SIG A/T SHIFT LOCK CTRL WIPER HIGH SPEED DIODE WIPER LOW SPEED DIODE

1553 1552 1342 MOTOR CONTROL B MOTOR CONTROL A BATTERY POSITIVE VOL GROUND (AT LEFT SIDE OF ENGINE ABS PUMP MOTOR AUXILIARY AIR TEMPERATURE ACTUATOR AUXILIARY AIR TEMPERATURE ACTUATOR (RIGHT REAR OF CARGO AREA ON THE FRONT AUXILIARY MODE ACTUATOR DRIVER MIDGATE MEMORY WINDOW MOTOR SEAT MODULE DRIVER WINDOW MOTOR (IN DRIVER DOOR ENGINE COMPT, NEAR BATTERY) ENGINE CONTROLS SYSTEM ENGINE OIL PRESSURE GAUGE HARNESS JUNCTION TO ENGINE HARNESS) LEFT MODE AIR ACTUATOR TEMPERATURE ACTUATOR LOW ENGINE OIL PRESSURE IND MOTOR DOWN CONTROL MOTOR SPEED CTRL MOTOR UP CONTROL MOTOR UP SIG BATT PASSENGER SEAT FRONT VERTICAL MOTOR PASSENGER SEAT HORIZONTAL MOTOR PASSENGER SEAT REAR VERTICAL MOTOR RECIRCULATION ACTUATOR RIGHT AIR TEMPERATURE ACTUATOR RIGHT ENGINE COOLING FAN RIGHT ENGINE COOLING FAN (RIGHT FRONT OF ENGINE COMPT NEAR SERIAL DATA AUXILIARY MODE ACTUATOR (LEFT FRONT SPEED UP SIDE OF ENGINE COMPT, NEAR BATTERY) SUNROOF ACTUATOR MOTOR TP SENS 1 SIG LOW REF TP SENS 2 SIG TAC MOTOR CTRL 2 TAC MOTOR CTRL 1

COAX COAX RADIO ANTENNA NAVIGATION ANTENNA COAX NAVI ANTENNA COAX NAVIGATION ANTENNA KEYLESS ENTRY ANTENNA

ONSTAR BUTTON ASSEMBLY

7 6 CAMERA VID SIG + CAMERA VID SIG +

CONNECTOR HARNESS TO DOOR HARNESS) TRAILER CONNECTOR

(IN I/P HARNESS IN BODY CONTROL MODULE BREAKOUT, 5 CM FROM AIR SUSPENSION CONTROL MODULE AUXILIARY BLOWER MOTOR CONTROL MODULE BLOWER MOTOR CONTROL MODULE FUEL PUMP FLOW CONTROL MODULE HVAC CONTROL MODULE LEFT REAR REAR HEATED WINDOW SEAT SWITCH CONTROL MODULE LOGIC HVAC CONTROL MODULE REAR HEATED SEAT CONTROL MODULE REAR WINDOW WIPER CONTROL MODULE TRANSFER CASE SHIFT CONTROL MODULE TRANSFER CASE SHIFT CONTROL MODULE (BEHIND HEADLIGHT

(IN CHASSIS HARNESS, 8 CM FROM FUSE BLOCK UNDERHOOD (IN I/P HARNESS, IN FUSE BLOCK- A/C CMPRSR FUSE 15 AIR BAG AUX- IGN HVAC-IGN FUSE 34 FUSE 41 AIR BAG BATT FUSE 38 AIR BAG IGN FUSE 34 AMP FUSE 35 AUX HVAC IGN FUSE 41 AUX PWR 2 FUSE AUX PWR FUSE BCM FUSE BREAKOUT, 24 CM FROM FUSE BREAKOUT, 29 CM FROM FUSE COMPT BELOW BATTERY, FUSE BLOCK UNDERHOOD) CTSY FUSE DDM FUSE DDM FUSE INFO FUSE DIM FUSE DLIS FUSE 29 DRL FUSE 26 DSM FUSE ECAS FUSE 32 ECAS FUSE 51 ECM BATT FUSE 10 ECM BATT FUSE 47 ECM IGN FUSE 47 ECM/THROT CNTRL FUSE 3 ECM/THROT CONT FUSE 3 ENG FUSE 2 FAN 1 FUSE 50 FAN 2 FUSE 53 FRT WSW FUSE 5 FUEL FUSE 18 FUSE 13 FUSE 17 FUSE 31 FUSE 43 FUSE BLOCK- UNDERHOOD HI HDLP RT FUSE 25 HI HDLP LT FUSE 27 HORN FUSE 24 HOT AT ALL TIMES AIR BAG BATT FUSE 38 HOT AT ALL TIMES IPC FUSE 41 HVAC BATT FUSE 33 HVAC BLWR FUSE 61 HVAC IGN FUSE 46 I/P FUSE BLOCK I/P FUSE BLOCK (ON LOWER LEFT SIDE OF I/P, BEHIND INFO FUSE INJ-A FUSE 20 INJ-B FUSE 11 INT LTS FUSE IPC FUSE 39 IPC FUSE 41 IS LPS FUSE LBEC 1 FUSE 56 LBEC 2 FUEL FUSE 18 FUSE 62 LCK 1 FUSE LCK 2 FUSE LO HDLP LT FUSE 9 LO HDLP RT FUSE 14 LT PRK FUSE 22 LT STOP TRN FUSE LT STOP TURN FUSE LTR FUSE 44 MBEC 1 WPR FUSE 60 FUSE 30 MEGA FUSE BATTERY MISC IGN FUSE 37 ONSTAR FUSE PDM FUSE RDO FUSE 36 REAR DEFOG FUSE 42 REAR HVAC FUSE REAR SEAT FUSE REAR WIPER FUSE REAR WIPER FUSE STOP LAMP FUSE REAR WSW FUSE 19 RT PRK FUSE 23 RT STOP TRN FUSE RT STOP TURN FUSE RUN/ ACCY FUSE 40 RUN/ACCY FUSE 40 S/ROOF FUSE 28 SEO FUSE 45 SNSR FUSE 6 SNSR FUSE 16 STOP LAMPS FUSE STRTR FUSE 54 STUD 1 TRLR FUSE 59 STUD 2 TRLR FUSE 55 STUD 2 TRLR FUSE 55 TRLR BCK/UP FUSE 8 SWC BKLT FUSE TCM BATT FUSE 12 TRANS IGN 1 FUSE 17 TREC FUSE 58 TRLR BCK/UP FUSE 8 TRLR PRK FUSE 21 TRLR STOP LT FUSE 1 TRLR STOP RT FUSE 4 UGDO FUSE UNDER- HOOD FUSE BLOCK (AT LEFT SIDE OF UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (AT LEFT UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE UNLCK 1 FUSE UNLCK 2 FUSE VSES/ ABS 1 FUSE 52 VSES/ ABS 2 FUSE 7 VSES/ VSES/ ABS 1 FUSE 52 ABS 2 FUSE 7 WPR FUSE 30 WSW/HTR FUSE 57

WINDSHIELD WASHER SOLVENT HEATER

1 2 3 4 5 6 WSH FLD HTD CTRL SW SW INDICATOR CTRL INFLATABLE RESTRAINT PASSENGER AIR BAG ON/OFF INDICATOR LOCKOUT INDICATOR MALFUNCTION INDICATOR LAMP WINDSHIELD WASHER SOLVENT HEATER SWITCH INDICATOR

748 747 INTERIOR LIGHTS SYSTEM 1334 1335 EXTERIOR LIGHTS SYSTEM 5187 5186 EXTERIOR LIGHTS SYSTEM 6817 2550 1947 1546 2011 INTERIOR LIGHTS SYSTEM (11.5 CM FROM JUNCTION OF DOOR COURTESY LAMP BACKUP LAMP RLY CTRL CENTER CONSOLE COMPARTMENT LAMP COURTESY LAMP COURTESY LAMP CTRL DRIVER DOOR COURTESY LAMP HEADLAMPS OFF SIG COURTESY LAMP CTRL TOW/HAUL SW SIG HEADLIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM INTERIOR LIGHTS SYSTEM TRANSMISSIONS SYSTEM INTERIOR LIGHTS INTERIOR LIGHTS SYSTEM COMPUTER DATA LINES SYSTEM LAMP RLY CTRL LEFT BACKUP LAMP LEFT DOOR REAR COURTESY LAMP LEFT FRONT MARKER LAMP LEFT FRONT PARK/TURN SIGNAL LAMP LEFT FRONT ROOF CLEARANCE LAMP LEFT FRONT ROOF MARKER LAMP LEFT LEFT REAR REAR ROOF ROOF CLEARANCE MARKER LAMP LAMP LEFT PARK/ TURN SIGNAL LAMP LEFT REAR DOOR COURTESY LAMP LEFT REAR MARKER LAMP LEFT REAR TURN SIGNAL LAMP LEFT TAIL/STOP LAMP LEFT TAIL/STOP, TURN SIGNAL LAMP LF TURN SIG LAMP CTRL CHMSL CTRL TCC BRK SIG LICENSE LAMP MIDDLE FRONT ROOF MARKER LAMP MIDDLE LEFT FRONT FRONT ROOF ROOF MARKER MARKER LAMP LAMP MIDDLE REAR ROOF MARKER LAMP PPL INTERIOR LAMP DEFEAT SW SIG PRNDL LAMP 2 COMPUTER DATA LINES SYSTEM PRNDL PRNDL LAMP 2 LAMP 1 RIGHT BACKUP LAMP RIGHT FRONT MARKER LAMP RIGHT FRONT PARK/TURN SIGNAL LAMP RIGHT FRONT ROOF CLEARANCE LAMP RIGHT FRONT ROOF MARKER LAMP RIGHT PARK/ TURN SIGNAL LAMP RIGHT REAR DOOR COURTESY LAMP RIGHT REAR DOOR RIGHT REAR DOOR COURTESY LATCH LAMP RIGHT REAR MARKER LAMP RIGHT REAR ROOF CLEARANCE LAMP RIGHT RIGHT FRONT FRONT ROOF ROOF CLEARANCE MARKER LAMP LAMP RIGHT RIGHT REAR ROOF MARKER LAMP REAR ROOF CLEARANCE LAMP RIGHT TAIL/ STOP LAMP RIGHT TAIL/STOP, TURN SIGNAL LAMP RIGHT TRAILER TURN SIG LAMP CTRL LEFT TRAILER TURN SIG LAMP CTRL STOP LAMP CTRL

FUEL PUMP, SENDER ASSEMBLY PUMP CTRL

(IN CHASSIS HARNESS, 20 CM FROM AIR SUSPENSION RELAY MAIN A/C CMPRSR RELAY A/C COMPRESSOR RELAY AIR SUSPENSION RELAY BCK/UP LAMP PCB RELAY BCK/UP LAMP RELAY DRIVER DOOR LOCK/ REAR DOOR WINDOW LOCK/UNLOCK SWITCH PCB RELAY DRL PCB RELAY FAN CNTRL RELAY FAN CONTROL RELAY FAN HI RELAY FAN LO RELAY FRT WASH PCB RELAY HDLP LO RELAY HI BEAM PCB RELAY HORN PCB RELAY HORN WIPER PCB SPEED RELAY PCB RELAY HOT W/ RUN/ ACCY PCB RELAY ENERGIZED HOT W/ RUN/ CRANK RELAY ENERGIZED HOT W/ RUN/ACCY PCB RELAY ENERGIZED HOT W/ RUN/ACCY RELAY ENERGIZED HOT W/ RUN/CRANK RELAY ENERGIZED HOT W/ RUN/CRNK RELAY ENERGIZED LOCK/UNLOCK PCB RELAY PRK LAMP FRT WASH RELAY PCB RELAY PRK LAMP RELAY NEAR BATTERY) PWR/ TRN RELAY PWR/TRN PCB RELAY REAR DEFOG RELAY REAR DOOR LOCK/UNLOCK PCB RELAY REAR WASH PCB RELAY RELAY CTRL RUN/ ACCY RELAY RUN/ REAR BACK-UP CRANK DEFOG STARTER LAMP PCB RELAY RELAY RELAY RELAY RUN/ACCY PCB RELAY RUN/CRNK RELAY SHIFT LOCK RELAY STARTER ENABLE RELAY CTRL STARTER RELAY STRTR RELAY TRLR STOP LT PCB RELAY TRLR STOP RT PCB RELAY TRLR TRLR STOP RT STOP LT PCB PCB RELAY RELAY WIPER CONTROL PCB RELAY WIPER SPEED PCB RELAY

(IN ENGINE HARNESS, 4 CM FROM KNOCK SENSOR CONNECTOR AMBIENT LIGHT/ SUNLOAD SENSOR AMBIENT LIGHT/ SUNLOAD SENSOR ASSEMBLY BANK 1 SENSOR 1 BANK 1 SENSOR 2 BANK 2 SENSOR 1 BANK 2 SENSOR 2 GENERATOR BATTERY CURRENT SENSOR HEATED OXYGEN SENSOR INFLATABLE RESTRAINT VEHICLE ROLLER SENSOR INSIDE AIR TEMPERATURE SENSOR LEFT RIGHT SUNLOAD SUNLOAD SENSOR SENSOR RESTRAINT FRONT END SENSOR

CENTER I/P SPEAKER LEFT FRONT LEFT FRONT TWEETER SPEAKER SPEAKER LEFT REAR SPEAKER RIGHT FRONT SPEAKER RIGHT FRONT TWEETER SPEAKER RIGHT REAR SPEAKER SUBWOOFER SPEAKER

4 5 6 7 8 9 10 11 12 13 14 15 16 BATT + GND BRAKE SWITCH SIG A/C LOW IGNITION PRESSURE COIL/ SWITCH MODULE 8 A/C ON SWITCH AIR REQUEST SWITCH AUTO SWITCH B+ WINDOW DN WINDOW UP GROUND SWITCH PWR BACK SWITCH BACK/ CUSHION SWITCH CENTER CONSOLE COMPARTMENT LAMP SWITCH CLOCK REAR WINDOW WIPER/WASHER SWITCH CRUISE CONTROL SWITCH SIGNAL CRUISE SWITCH DIFFERENTIAL LOCK SWITCH DISABLE SWITCH DOWN DOWN INPUT FRONT PASSENGER WINDOW SWITCH DOWN LEFT REAR WINDOW SWITCH DRIVER DOOR LOCK/ WINDOW SWITCH DRIVER DOOR LOCK/WINDOW SWITCH DRIVER DOOR/LOCK WINDOW SWITCH DRIVER MEMORY/ HEATED SEAT SWITCH DRIVER SEAT ADJUSTER SWITCH DRIVER SEAT BELT SWITCH DRIVER SEAT LUMBAR SWITCH DRIVER WINDOW SWITCH DRIVERS WINDOW SWITCH FAN DOWN SWITCH FAN UP SWITCH FLASH TO PASS SWITCH FRONT PASS WINDOW SWITCH FTP SWITCH 1 VOLTAGE FTP SWITCH 3 VOLTAGE FTP SWITCH 4 VOLTAGE FTP SWITCH 5 VOLTAGE GLOBAL PRNDL WINDOW LAMP 1 SWITCH GLOBAL WINDOW SWITCH HEADLAMP DIMMER SWITCH HEADLAMP, PANEL DIMMER SWITCH HEATED BACK SWITCH HEATED BACK/ CUSHION SWITCH HORN SWITCH I/P MULTI- FUNCTION W/ SWITCH OFFROAD SUSPENSION CHASSIS PACKAGE I/P MULTI-FUNCTION SWITCH I/P MULTI-FUNCTION SWITCH TOW/HAUL SWITCH I/P MULTIFUNCTION SWITCH IGNITION SWITCH INFLATABLE RESTRAINT I/P MODULE DISABLE SWITCH INTERNAL MODE SWITCH KEY IGNITION SWITCH KEY-IN IGNITION SWITCH LEFT LEFT REAR REAR AUDIO DOOR WINDOW AMPLIFIER LATCH SWITCH LEFT MIDGATE LATCH SWITCH (IN MIDGATE LEFT REAR WINDOW SWITCH LEFT RIGHT REAR LIFTGATE AJAR MARKER LAMP SWITCH LEFT STEERING WHEEL CONTROL SWITCH LOCKOUT SWITCH MIDGATE MIDGATE WINDOW WINDOW MOTOR SWITCH MIDGATE WINDOW SWITCH MIST HI OFF LO INT WIPER SWITCH MODE UP SWITCH OFF SWITCH PARK BRAKE SWITCH PARK SWITCH PASSENGER DOOR LOCK/ WINDOW SWITCH PASSENGER DOOR LOCK/WINDOW SWITCH PASSENGER DRIVER SEAT MEMORY SEAT ADJUSTER MODULE SWITCH PASSENGER HEATED SEAT SWITCH PASSENGER SEAT ADJUSTER SWITCH PASSENGER SEAT LUMBAR ADJUSTER SWITCH PASSENGER SEAT LUMBAR SWITCH REAR DEFOGGER SWITCH REAR WINDOW WIPER/ WASHER CLOCK SWITCH REAR WINDOW WIPER/WASHER SWITCH RECIR- CULATION SWITCH RIGHT MIDGATE LATCH SWITCH (IN MIDGATE RIGHT REAR WINDOW SWITCH RIGHT STEERING WHEEL CONTROL SWITCH STOP LAMP SWITCH SUNROOF SWITCH SWITCH POWER SWITCH PWR LEFT SELECT TOW/HAUL SWITCH SIGNAL TRANSFER CASE SHIFT CONTROL SWITCH TRANSMISSION RANGE SWITCH SIG A TRANSMISSION RANGE SWITCH SIG B TRANSMISSION RANGE SWITCH SIG C TRANSMISSION RANGE SWITCH SIG P TURN SIGNAL/ MULTI-FUNCTION SWITCH WASHER FLUID HEATED CONTROL SWITCH WASHER SWITCH WINDSHIELD WASHER FLUID LEVEL SWITCH

AUTOMATIC TRANSMISSION SHIFT LEVER CONTROL SOLENOID AUTOMATIC TRANSMISSION SHIFT LOCK CONTROL SOLENOID CONSOLE HARNESS) AUTOMATIC TRANSMISSION SHIFT LOCK CONTROL SOLENOID CONTROL SOLENOID VALVE ASSEMBLY PC SOLENOID 1 CONTROL PC SOLENOID 2 CONTROL PC SOLENOID 3 CONTROL PC SOLENOID 4 CONTROL PC SOLENOID 5 CONTROL PC SOLENOID HIGH CONTROL TORQUE CONVERTER CLUTCH PRESSURE CONTROL SOLENOID CONTROL VALVE 2 VALVE 3 VALVE 4 VALVE 5

1 2 3 4 5 6 LOW REF LOW REF LOW REF PNK WIRE 1 2 3 CAMERA VID SIG + CAMERA VID SIG + DRAIN WIRE 1 2 8 CELL VOICE SIG LOW REF DRAIN WIRE 2 6 PNK PNK LOW REF LOW REF WIRE 4 9 PNK WIRE 10 2 1 9 11 DRAIN WIRE RT AUD SIG+ LT AUD SIG+ AUD OUT - DRAIN WIRE 11 14 1 GND CUSHION ELEMENT CTRL SEAT BACK ELEMENT CTRL PNK PPL WIRE 12 2 PNK WIRE 14 1 2 3 4 PNK INFRARED CTRL L AUD SIG GND R AUD SIG DRAIN WIRE 24 9 8 5 PNK WASHER SW SIG WIPER SW LO SIG LOW REF WIPER SW HI SIG WIRE 5149 5152 1792 PNK 2 4 5 WIRE AUXILIARY AUD R SIG AUXILIARY AUD L SIG DRAIN WIRE B+ IGN I/P MOD DISABLE SW SIG I/P MOD SUPP IND CTRL PNK WIRE BARE DRAIN WIRE AUD PROMPT SIG - BLK WIRE BLK/GRN WIRE BLK/ORG WIRE BLK/PPL WIRE BLK/WHT WIRE BLU/BLK WIRE BLU/YEL WIRE BRN WIRE BRN/WHT WIRE CELL VOICE SIG LOW REF DRAIN WIRE DK BLU WIRE DK BLU/RED WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE GND ELEMENT CTRL PNK WIRE GND WSH SW SIG IGNITION VOLT PNK WIRE GRN WIRE GRN/WHT WIRE GRY TAN WIRE GRY WIRE GRY/BLK WIRE GRY/WHT WIRE LED DIMM SUPPLY GND LF LO AUD SIG - RF LO AUD SIG - DRAIN WIRE LO LEVEL AUD - WOOFER LO AUD - DRAIN WIRE PNK BARE LOW REF LOW REF PNK WIRE LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE NCA WIRE NOISE SIG DRAIN WIRE BARE ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE PNK 5149 5152 1792 2 4 5 WIRE PNK GND WIRE PNK IGN VOLT HAZARD SW LEFT TURN SIG HAZARD SW RIGHT TURN SIG WIRE PNK IGNITION VOL WIRE PNK LOW REFERENCE WIRE PNK PNK 3 3 WIRE PNK PNK PNK WIRE PNK PNK WIRE PNK W/ ONSTAR WIRE PNK WINDSHIELD WASHER SW SIG HEADLAMP FLASH TO PASS SIG WIRE PNK WIRE PNK/ SUV WIRE PNK/BLK WIRE PNK/WHT WIRE PPL PNK WIRE PPL/WHT WIRE RADIO AUDIO OUT - RADIO R AUD SIG DRAIN WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE RF LO AUD SIG + RF LO AUD SIG - AUD PRMT SIG - DRAIN WIRE RUN WIRE SYSTEM PPL PNK WIRE TAN WIRE TAN/BLK WIRE TAN/ORG WIRE TAN/WHT WIRE WHT LT BLU/ WIRE WHT WIRE WHT/ BLK WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE

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 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 1 2 3 4 5 6 7 8 B+ GND 1 2 3 4 5 6 GND 1 2 3 4 5 B+ ACC VOLT GROUND SERIAL DATA 1 2 3 6 7 VERT POSITION CTRL HORZ POSITION CTRL LOW REF MTR COMMON ELEMENT CTRL 1 2 3 B+ LF LO AUD SIG + RF LO AUD SIG + 1 2 BAT POS VOLT GND 1 8 13 B+ GND LO SERIAL DATA 2 3 1 OFF AUTO 2 4 BATTER BATTER 2 6 4 BATTER GROUND BATTER 3 8 INSTRUMENT PANEL LPS PRK LP SW SIG 4 6 B+ GND 4-HI IND 5 1 COURTESY LP CTRL INADVERTENT PWR CTRL 5 6 CLASS 2 SER DATA LO PRESS SENS SIG 5 9 13 DRV DOOR KEY SW LO GMLAN SER DATA LF DOOR AJAR SW 5 14 SW SIG 5-VOL IAT SENS SIG LO REF 5-VOLT 5-VOLT REF 2 5-VOLT REFERENCE 5-VOLT REFERENCE MODE DOOR CTRL TEMP DOOR CTRL 5-VOLT REFERENCE TEMP SENS SIG DOOR POSITION SIG DOOR POSITION SIG 6 1 4 B+ GND GND 6 4 CUSHION ELEMENT CTRL SEAT BACK ELEMENT CTRL 6 CM FROM MAIN HARNESS) 7 3 MIRROR HTR GROUND 8 12 17 11 PARK LAMPS SIG HEADLAMPS ON SIG HEADLAMPS OFF SIG AMB LT SENS SIG 8 17 12 PARK LAMPS SIG HEADLAMPS OFF SIG HEADLAMPS ON 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 9 10 GND +B 9 17 451 109 GROUND AJAR SW SIG 10 8 9 GMLAN BUS+ BUS- 10 9 8 LOW REF SENS SIG VOLT 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 20 8 2 3 19 6 16 B+ B+ IGN MDGTE SW UP MDGTE SW DN MDGTE SW UP GROUND GROUND 12 13 PPL BRK SW SIG 12-VOL REF 13 6 LO SPD SERIAL DATA REMOTE ENABLE 13 11 10 9 7 6 4 2 1 MEMORY SW DIM CTRL SEAT BACK IND CTRL PPL 13 12 7062 812 PPL BRAKE SW SIG 13 15 14 16 LK IND CTRL 4 LO IND CTRL 4 HI IND CTRL 4 WD IND CTRL 15 13 PPL PPL 15 14 LR DOOR AJAR SW SIG RR DOOR AJAR SW SIG 15 16 19 663 664 111 LEFT TURN SIG RIGHT TURN SIG HAZARD SW SIG 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 B+ 16 23 HI BEAM RLY CTRL DRL RLY CTRL 17 19 GMLAN BUS- SERIAL DATA 18 25 COURTESY LP CTRL INTERIOR LP DEF SW SIG PPL 18 25 DIMMER SW SIG FLASH TO PASS SIG 19 20 PPL 20 21 WIPER SW SIG 2 WIPER SW HI SIG 21 22 ECT SENS SIG LOW REF 28 27 BUS+ BUS- 32 61 GEN SIG CHG IND 50 34 41 33 OIL PRESSURE SENS LOW REF 367 368 2099 SATELLITE RADIO CIRCUIT 372 388 1573 SATELLITE RADIO CIRCUIT 477 1969 109 WIPER/WASHER SYSTEM HEADLIGHTS SYSTEM ANTI-THEFT SYSTEM 1208 1210 P-T 2500 2501 1589 473 5985 439 440 COOLING FANS SYSTEM 1639 5060 COMPUTER DATA LINES SYSTEM 6817 2307 2308 333 185 1851 1999 1946 659 LR LO AUD SIG - RR LO AUD SIG - LOW REF 2501 2500 1161 1271 6049 1162 2709 2700 COMPUTER DATA LINES SYSTEM 2501 2500 SERIAL DATA BUS- SERIAL DATA BUS+ 5060 1955 1855 201 118 117 200 116 COMPUTER DATA LINES SYSTEM 5187 5186 1315 12 13 5 TURN SIG LP CTRL TURN SIG LP CTRL TURN SIG LP CTRL (AT LOWER RIGHT SIDE OF DASH, BEHIND (IN BODY HARNESS, 14 CM (IN CHASSIS HARNESS 15 CM FROM (IN CHASSIS HARNESS 39 CM (IN CHASSIS HARNESS W/ OFF ROAD SUSPENSION CHASSIS PACKAGE (IN CHASSIS HARNESS, 5 CM FROM ELECTRONIC BRAKE CONTROL (IN CHASSIS HARNESS, 10 CM FROM (IN CONSOLE HARNESS, 28.5 CM FROM JUNCTION OF BODY HARNESS (IN I/P HARNESS, 10 CM FROM (IN INFOTAINMENT (IN RIGHT REAR SEAT HARNESS, 34 CM FROM HEATED SEAT MODULE TOWARDS (IN THE I/P HARNESS, 5 CM (PART OF NEGATIVE (UNDER PASSENGER SEAT TOWARD RIGHT A/C CLUTCH A/C COMP A/C COMPRESSOR CLUTCH A/C ON IND A/C PRES SIG LO REF A/C REF PRE SENS SIG A/T SHIFT LCK CTRL ABS IND. ACCESS PANEL) ACCESSORY POWER OUTLET ACCESSORY WAKEUP SERIAL DATA AIR AIR SUSPENSION SUSPENSION COMPRESSOR COMPRESSOR AIR BAG IND AIR BAG OFF IND AIR BAG ON IND AIR CONDITIONING SYSTEM AIR CONDITIONING SYSTEM 3223 3122 AIR REQUEST IND AJAR IND SIG AJAR IND SIG PPL DEFOG ELEMENT CTRL AMBIENT LIGHT SENS SIG HEADLAMPS ON SIG ANG SENS SIG ANTI-THEFT SYSTEM APP SEN 2 SIG LOW REF VSS HIGH SIG VSS LOW SIG PPL AUDIO W/ DVD NAVIGATION AUTOMATIC DAY/NIGHT MIRROR SIG AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION SHIFT LEVER B+ DIC SW SIG B+ GND B+ SER DATA BACK CUSHION IND BACK IND BARE 1 2 3 4 5 6 7 8 GND BARE BARE BARE PPL BAT POS VOLT BAT POS VOT BATT DEFOG ELEMENT CTRL BATT POSITIVE VOLT BETWEEN BREAKOUTS FOR IGNITION COILS 4, 6) BETWEEN THE BREAKOUTS FOR IGNITION COILS 3, 5) BLUNT CUT) BRAKE IND BREAKOUT) BREAKOUT, 9 CM FROM BREAKOUT) BREAKOUT, 14 CM FROM BREAKOUT) BRK SENS SIG PPL CAM SOL CTL CAN BUS HI CAN BUS LO CARGO ACCESSORY POWER OUTLET CENTER CONSOLE 1 ACCESSORY POWER OUTLET CENTER CONSOLE 2 CENTER CONSOLE 2 ACCESSORY POWER OUTLET CENTER CONSOLE COMPARTMENT ACCESSORY POWER OUTLET CHARGE IND CHARGING IND CHG IND SIG CL RLY CTRL CLASS 2 CLASS 2 DATA CLASS 2 SER DATA CMP SIG COMMUNICA- TION ENABLE COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM PPL COMPUTER DATA LO SPD SERIAL DATA LINES SYSTEM CONTACT PLATE COOLANT TEMPERATURE GAUGE COOLING FANS SYSTEM COURTESY/ READING LAMPS CRUISE CONTROL IND DIMMING CTRL CRUISE CONTROL SYSTEM CRUISE CTRL IND DIMMING CTRL CRUISE IND CURRENT SENS SIG LOW REF IGN VOLT CUSHION ELEMENT CTRL DATA BUS - DATA BUS- DATA BUS+ APP SENS 1 LO REF LO REF APP SENS 2 5-VOL 5-VOL DATA COMMUNICATION DATA LINES SYSTEM DEFOG RLY CTL DEFOGGER SYSTEM DIC MENU SW DOOR HANDLE DOOR LOCKS SYSTEM DOWN SIG DOWN SIGNAL DRIVER DOOR LATCH (INSIDE DRIVER DOOR BELOW OUTSIDE DRIVER INFORMATION CENTER DRIVER MEMORY SEAT MODULE DRIVER OUTSIDE REARVIEW MIRROR DRIVER SEAT 2 CIRCUIT DRIVER SEAT BELT BUCKLE DRL RLY CTRL DSEAT 2 MGATE CIRCUIT BREAKER CIRCUIT BREAKER DVD VID SIG + DVD VID SIG - ECT SIG ELECTRO- CHROMIC MIRROR ELECTROCHROMIC MIRROR EOP SIG EOP SW SIG FOG LAMPS IND FRONT ACCESSORY POWER OUTLET FRONT DEFOGGER FRONT DEFOGGER IND FRONT HVAC ACCESSORY CONTROL POWER MODULE OUTLET FRONT WIPER/ WASHER CIRCUIT FUEL GAUGE FUEL INJECTOR GEN FDC SIG GMLAN SERIAL DATA GMLAN SERIAL SERIAL DATA DATA BUS - BUS + I/P TO THE LEFT OF STEERING COLUMN) GND B+ GND B+ REMOTE ENABLE VID BRIGHT SIG VIDEO MODE SIG GND B+ VOLT B+ VOLT GND BATT POS VOLT GND CAN BUS LO CAN BUS HI GND ELEMENT CTRL GND LVL SIG GND SENS PHASE C GROUND DISTRIBUTION SYSTEM GROUND IG VOLTAGE GROUND IGNITION VOLTAGE SUNROOF SW OPEN GROUND LOW REFERENCE HARNESS BREAKOUT) HAZARD SW HEADLAMP DIMMER SW SIG HAZARD SW SIG TAP UP/TAP DN SW SIG IGN VOLT HEADLAMP SW PARK LAMPS SIG HEADLIGHTS SYSTEM HEATED BACK IND HEATED BACK/ CUSHION IND HEATED OXYGEN HI LO HI SER DATA BUS+ HI SPD FAN HI SPD GMLAN - HI SPD GMLAN + LO REF HI SPD GMLAN HI SPD GMLAN HI SPD GMLAN SER DATA BUS- HIGH BEAM IND HIGH SPEED SER DATA BUS- HIGH TEMP IND HORNS SYSTEM HOT AT ALL TIMES HOT IN ON OR START IGN CLASS 2 SER DATA IGN GND ANGLE SENS A IGN III VOLT CRUISE CTRL SW SIG IGN VOL IGN VOLT IGN VOLT LO SERIAL DATA IGN VOLT REAR WIPER/WASHER SW CTRL HOOD CLOSED SW SIG PRK BRK SW SIG IGN VOLTAGE IGNITION III VOLTAGE IGNITION VOLTAGE IND BRAKE IND CTRL IND DIMMING CTRL INFLATABLE RESTRAINT I/P MODULE INFLATABLE RESTRAINT VEHICLE INFO NOT AVAILABLE COMPUTER DATA LINES SYSTEM INFO NOT INFO NOT AVAILABLE INFO NOT COONE AVAILABLE INFRARED CTRL INFRARED TRANSMITTER INJ 1 CTL INJ 2 CTL INJ 3 CTL INJ 4 CTL INJ 5 CTL INJ 6 CTL INJ 7 CTL INJ 8 CTL INSTRUMENT PANEL TO LEFT OF STEERING COLUMN) INTRUSION SENS ARMED SIG ISS/OSS SUPPLY VOLTAGE L AUD SIG L OR REAR WOOFER OUT + L WOOFER OUT - R WOOFER OUT - B+ 1 2 3 4 5 6 7 8 L SEAT BELT SW L SPEED SENS SIG L WHEEL SPD SIG LED DIMM SUPPLY AIR BAG ON IND AIR BAG OFF IND FLUID LEVEL SIG LO WASHER IND GND LEFT HEADLAMP LEFT I/P JUNCTION LEFT I/P JUNCTION BLOCK LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF INSTRUMENT LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF INSTRUMENT PANEL TO LEFT LEFT MIDGATE LATCH LEFT REAR INFLATABLE RESTRAINT LEFT SUNSHADE LEFT TEMPERATURE CONTROL LEFT TURN IND LF LO AUD SIG + LF LO AUD SIG - AUD PROMPT SIG + NOISE COMP SIG LO BEAM RLY CTRL LO GMLAN SER DATA LO GMLAN SERIAL DATA LO REF LO REF LO REF LO REF SEAT BELT IND LO REFERENCE LO SERIAL DATA LO SPD DATA LO SPD DATA R AUD SIG R AUD SIG L AUD SIG AUD OUT - LO SPD FAN LO SPD SERIAL DATA LOCKOUT SIG LOGIC SPEED DOWN LOW REF LOW REF L INFRARED AUD SIG GND R INFRARED AUD SIG GND LOW REF WINDSHIELD WIPER SW LO SIG LOW REFERENCE LOW SPD GMLAN SERIAL DATA LOW SPD SERIAL DATA LOW SPEED LOW SPEED SERIAL DATA LOW TEMP IND LOW TIRE PRESSURE IND LOW WASHER FLUID IND CTRL LR DOWN SIG LR LO AUD SIG + LR LO AUD SIG - CEN LO AUD + CEN LO AUD - 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 LR SPK OUT + LR SPK OUT - LR UP SIG LT DR CIRCUIT BREAKER LUMBAR DW SW SIG LUMBAR RWD SW SIG LUMBAR UP SW SIG LUMBAR FWD SW SIG MAF SENS SIG MALFUNCTION IND MAP SIG PPL MASTER SW LOCKOUT SIG MASTER SW RR UP SIG MASTER SW LR DN SIG PPL MEDIUM TEMP IND MEMORY SET SW SIG MGATE CIRCUIT BREAKER MIDGATE AJAR IND SIG MIDGATE OR LIFTGATE AJAR IND SIGNAL MIL CONTROL PPL MIL CTRL MIRRORS SYSTEM MIST OFF INT MODE DOOR CTRL TEMP DOOR CTRL RECIR DOOR CTRL TEMP DOOR CTRL MODE DOWN MTR PARK SW SIG NAVIGATION SYSTEM NEAR LEFT LATCH ASSEMBLY) NEAR RIGHT LATCH ASSEMBLY) NEUTRAL IND NOISE COMPENSATION MICROPHONE OF AUXILIARY HVAC MODULE ASSEMBLY) OF AUXILIARY HVAC MODULE) OF DASH BEHIND END TRIM PANEL) OF STEERING COLUMN) OFF AUTO OFF AUTO PARK HEAD OIL LVL SW SIG OUTSIDE AIR TEMP DISPLAY OUTSIDE AIR TEMPERATURE SIG OVERHEAD CONSOLE COURTESY/ READING LAMPS PANEL TO LEFT OF STEERING COLUMN) PARK BRAKE SW SIG PARK BRK SW SIG PARK HEAD PARK LPS SIG PARK NEUTRAL SIGNAL PASS BACK ELEMENT CTRL PASS SEAT 1 CIRCUIT PASSENGER DOOR LATCH (INSIDE PASSENGER DOOR BELOW OUTSIDE PASSENGER DOOR) PASSENGER OUTSIDE REARVIEW MIRROR PERSONA- LIZATION SET/ RESET POWER DISTRIBUTION SYSTEM POWER WINDOWS SYSTEM PPL 28 29 PPL AUXILIARY VID HI SIG PPL BARE PPL BRAKE SW SIG PPL CLOSED SW SIG PPL DEFOG ELEMENT CTRL GND PPL DK PPL FUEL LVL-PRI FAN REL CTRL ACC SER DATA IGNITION VOL BATT POSITIVE PPL INTRUSION SENS ALARM ON SIG PPL LO REF FTP SIG PPL MASTER SW RR DN SIG MASTER SW LOCKOUT RR SIG MASTER SW LR UP SIG PPL PPL PRK BRK SW PSEAT 1 CIRCUIT BREAKER R AUD SIG R INFRARED AUD SIG R SPEED SENS SIG R WHEEL SPD SIG R WOOFER OUT + GND RADIATOR) RADIO AUDIO W/ DVD NAVIGATION RADIO CLOCK REAR ACCESSORY CARGO ACCESSORY REAR DEFOGGER REAR DEFOGGER IND REAR WINDOW DEFOGGER GRID REAR WINDOW WASHER RLY CTRL REAR WINDOW WIPER SW SIGNAL REAR WIPER WASHER SW REAR WIPER/WASHER SW CTRL RECIR- CULATION IND REL CTRL REMOTE ENABLE RIGHT EXTEND RIGHT HEADLAMP RIGHT I/P JUNCTION RIGHT I/P JUNCTION BLOCK RIGHT I/P JUNCTION BLOCK (RIGHT SIDE RIGHT MIDGATE LATCH RIGHT REAR RIGHT RIGHT RIGHT SELECT RIGHT SUNSHADE RIGHT TEMPERATURE CONTROL RIGHT TURN IND RLY CTRL ROLL OVER SENS HI SIG L SEAT BELT SW RR DOWN SIG RR DR AJAR SW SIG LR DR AJAR SW SIG RR LO AUD SIG + RR LO AUD SIG + RR LO AUD SIG - WOOFER LO AUD + WOOFER LO AUD - RR LO AUD SIG - LR LO AUD SIG - RF LO AUD SIG - LF LO AUD SIG - REMOTE ENABLE RR LOCKOUT SIG RR UP SIG RT DOORS CIRCUIT BREAKER RT DOORS CIRCUIT BREAKER 1 RUN/CRANK RLY CTRL S-TWO S-FOUR S-THREE INFO NOT AVAILABLE SATELLITE RADIO CIRCUIT SEAT BACK TEMP SIG SEAT BELT IND SEAT CUSHION TEMP SIG SEATS SYSTEM SEATS SYSTEM SEATS SYSTEM SECURITY IND SENS PHASE B SENS SIG SENS SIG GMLAN SERIAL DATA LO PRESS SENS SIG SER DATA SER DATA COMM SERIAL B+ DATA SERIAL DATA SERIAL DATA VERT DN SW SIG VERT DN SW SIG HORZ RWD SW SIG RECLINE RWD SW SIG SHORTING BAR SIG GND SOL CTRL SOUND SYSTEMS SPARK PLUG SPD CTRL STARTING/ CHARGING SYSTEM STARTING/CHARGING SYSTEM STEERING SIG STOP LP CTRL SUNLOAD SENS SIG TEMP SENS SIG TEMP SENS SIG RIGHT SW SIG MODE DOOR CTRL SUNROOF MODULE SUNROOF SW CLOSE SUPPLEMENTAL RESTRAINTS SYSTEM SUT SUV SUT SUV (IN BODY HARNESS, SUV SUT SUV SUT SUV TAC MOT CTL 1 TAC MOT CTL 2 TAP UP/ TAP DOWN SW SIG TCC BRAKE SIG TCC BRK SIG TEMP DOWN TEMP MODE ON/ OFF UP TEMP SENS SIG SENS SIG THE LEFT OF STEERING COLUMN) TION ENABLE COMMUNICA- TIRE PRESSURE IND TOW/ HAUL IND TOW/HAUL IND TRACTION CONTROL IND TRANSMISSION FLUID TEMPERATURE GAUGE TRANSMISSIONS SYSTEM TRIP ODOMETER TRIP/ FUEL TRUNK, TAILGATE, FUEL DOORS SYSTEM UP SIGNAL SW LCKOUT SIG UP UP SW SIG MTR UP SIG SW SIGNAL UP UP INPUT VEH BCK/UP VEH SIG VEHICLE INFO VEHICLE SPD SIG VERT UP SW SIG VERT UP SW SIG HORZ FWD SW SIG RECLINE FWD SW SIG VIDEO AUDIO W/ DVD NAVIGATION DISPLAY CIRCUIT VIDEO DISPLAY VIDEO DISPLAY CIRCUIT VIDEO DISPLAY CIRCUIT PPL BARE VIDEO+ VOICE REC VOL DOWN VOL UP VOLT BATT POS VSC IND VSS HI SIG VSS LO SIG GROUND W/ AUDIO, DVD NAVIGATION W/ HEAD CURTAIN AIR BAG W/ HEATED W/S WASHER W/ HEATED WINDSHIELD WASHER FLUID W/ OFF ROAD SUSPENSION CHASSIS PACKAGE W/ ONSTAR W/ ONSTAR, DIGITAL RADIO W/ REAR A/C W/ REAR SEAT ENTERTAINMENT PACKAGE W/O AUDIO, DVD NAVIGATION W/O OFF ROAD SUSPENSION CHASSIS PACKAGE W/O ONSTAR W/O ONSTAR BARE W/O ONSTAR, DIGITAL RADIO WARNING SYSTEM WINDSHIELD WIPER MTR PRK SW SIG WINDSHIELD WIPER SW HI SIG STEERING WHEEL CTRL SW SIG WINDSHIELD WIPER SW SIG 1 HEADLAMP HI BEAM RLY CTRL HOOD AJAR SW SIG WIPER SW SIG 1 WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM ANTI-THEFT SYSTEM INSTRUMENT CLUSTER SYSTEM WIPER/WASHER SYSTEM HEADLIGHTS SYSTEM WIPER/WASHER SYSTEM SOUND SYSTEMS