Hummer H3 I (2005-2010) (on right inner front wheelwell) Wiring diagrams

15 16 PPL PPL CLASS 2 SERIAL DATA CLASS 2 SERIAL DATA 53 33 HI SPD SERIAL DATA BUS + HI SPD SERIAL DATA BUS - A/T AUX PWR 1 FUSE 51 BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND RIGHT FRONT KICK PANEL) CIGAR LIGHTER DATA LINK CONNECTOR (DLC) (LEFT SIDE OF DASH) DATA LINK RESISTOR DIGITAL RADIO RECEIVER (RIGHT SIDE OF DASH) ELECTRONIC BRAKE CONTROL MODULE (EBCM) (LEFT OF MASTER CYLINDER) ENGINE CONTROL MODULE (ECM) (RIGHT REAR CORNER OF ENGINE COMPT) GENERATOR BATTERY CONTROL MODULE (LEFT FRONT OF ENGINE COMPT, NEAR BATTERY) HOT AT ALL TIMES INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (SDM) (BENEATH LOWER CONSOLE) INSTRUMENT PANEL CLUSTER (IPC) M/T ORG/ WIRE PPL PPL CLASS 2 SERIAL DATA PPL PPL 11 10 CLASS 2 SERIAL DATA CLASS 2 SERIAL DATA PPL PPL 1807 1807 CLASS 2 SERIAL DATA CLASS 2 SERIAL DATA RADIO TAN WIRE TAN/WHT WIRE THEFT DETERRENT MODULE (TDM) TRANSFER CASE SHIFT CONTROL MODULE (BEHIND GLOVE BOX) TRANSMISSION CONTROL MODULE (TCM) UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEELWELL)

"D" PILLAR) BATTERY BATTERY PK LP CTRL BCM FUSE 14 BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND RIGHT FRONT KICK PANEL) BRN WIRE BRN/WHT WIRE DK BLU/WHT WIRE DOME LAMP DOME ON SWITCH DOME OVERRIDE SWITCH DOME/ READING LAMPS DRIVER DOOR AJAR SWITCH (IN LOWER LEFT "B" PILLAR) DRIVER DOOR LOCK/ WINDOW SWITCH ENDGATE AJAR SWITCH (IN RIGHT FR/PRK FUSE 43 FRT TURN/ HAZARD/ CTSY MIR FUSE 56 GRY/BLK WIRE HEADLAMP SWITCH HOT AT ALL TIMES LAMP CTRL POWER CTRL LEFT I/P COURTESY LAMP LEFT REAR DOOR AJAR SWITCH (IN LOWER LEFT "C" PILLAR) LEFT SUNSHADE LEFT VANITY MIRROR LAMP LF DOOR AJAR RR DOOR AJAR LR DOOR AJAR RF DOOR AJAR LOW CTRL LOW CTRL LOW CTRL LT BLU/BLK WIRE LT GRN/BLK WIRE ORG/ WIRE PASSENGER DOOR AJAR SWITCH (IN LOWER RIGHT "B" PILLAR) PASSENGER DOOR LOCK/ WINDOW SWITCH POWER CTRL PPL PPL LAMP SW SIG OVERRIDE SW LOW REF PRK/LP RELAY 89 RIGHT I/P COURTESY LAMP RIGHT REAR DOOR AJAR SWITCH (IN LOWER RIGHT "C" PILLAR) RIGHT SUNSHADE (W/ CONVENIENCE PACKAGE DECOR LEVEL 3) RIGHT VANITY MIRROR UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEELWELL) W/ CONVENIENCE PACKAGE DECOR LEVEL 3 W/O CONVENIENCE PACKAGE DECOR LEVEL 3 WHT WIRE

AUTO BLK WIRE BLU WIRE BODY CONTROL MODULE (BCM) (BEHIND RIGHT FRONT KICK PANEL) BRN WIRE BRN/WHT WIRE BULB OUT CENTER HIGH MOUNTED STOP LAMP (CHMSL) DEALER INSTALLED DIMM SW SIG HAZ SW SIG LOW REF PRK LMP SW TRN SIG SW DK BLU WIRE DK GRN WIRE FRT TRN/ HAZRD/CTSY MIR FUSE 56 FRT/PRK FUSE 43 GRN WIRE GRY WIRE HAZARD SWITCH HEADLAMP SWITCH HOT AT ALL TIMES LEFT LEFT FRONT MARKER LAMP LEFT FRONT PARK/ TURN SIGNAL LAMP LR PRK LP RAP RLY CNTRL LT BLU WIRE OFF PPL ON PARK ORG/ WIRE PEDAL ASSEMBLY) PPL PRK LMP RLY PRK/LP RELAY 89 REAR TRN/ HAZRD FUSE 20 RED WIRE RIGHT RIGHT FRONT MARKER LAMP RIGHT FRONT PARK/ TURN SIGNAL LAMP STOP FUSE 54 STOP LAMP SWITCH (ABOVE BRAKE STP LP VOLT TO LR PRK FUSE 37 (DIAGRAM TURN SIGNAL/ MULTI-FUNCTION SWITCH TURN SWITCH UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEELWELL) VIO WIRE WHT WIRE YEL WIRE

BACKUP LAMPS CIRCUIT BLK WIRE BLU WIRE BLUNT CUT) BRN WIRE DK BLU WIRE DK DK DK DK GRN WIRE E-BRAKE FUSE 83 GRILLE GUARD FUSE 2 GRILLE LAMPS RELAY (BELOW SIDE AIR INLET COVER) GRN WIRE HOT AT ALL TIMES LEFT OFF ROAD GRILLE LAMP LEFT OFF ROAD ROOF LAMP LT BLU WIRE LT GRN WIRE LT LT OFF ROAD GRILLE LAMP SWITCH OFF ROAD ROOF LAMP SWITCH OFF ROAD ROOF LAMPS RELAY (BELOW SIDE AIR INLET COVER) ORG/ WIRE RAP/ACCY RELAY 88 RED WIRE RIGHT OFF ROAD GRILLE LAMP RIGHT OFF ROAD ROOF LAMP ROOF LP FUSE 4 SPO FUSE 10 TRAILER PROVISION (BLUNT CUT) TRLR B+ FUSE 84 TRLR BCK/UP FUSE 42 UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEELWELL) W/ OFF ROAD RADIATOR GRILLE GUARD LAMP, DEALER INSTALLED W/ ROOF MOUNTED OFF ROAD LAMP, DEALER INSTALLED W/ TRAILER CONNECTOR W/O TRAILER CONNECTOR WHT WIRE YEL WIRE

ACCESSORY SWITCH AUDIO AMPLIFIER BLK WIRE BLUNT CUT) BODY CONTROL MODULE (BCM) CONVENIENCE PACKAGE DECOR LEVEL 3 DATA LINK CONNECTOR (DLC) DIGITAL RADIO RADIO RECEIVER DK BLU WIRE DOME/ READING LAMPS DRIVER SEAT BELT SWITCH EXCEPT CONVENIENCE PACKAGE DECOR LEVEL 3 GARAGE DOOR OPENER (GDO) GRN WIRE HAZARD SWITCH HEADLAMP DIMMER SWITCH HIGH SPEED BLOWER MOTOR RELAY HVAC CONTROL MODULE I/P ACCESSORY POWER OUTLET 1 I/P ACCESSORY POWER OUTLET 2 IGNITION LOCK CYLINDER CONTROL ACTUATOR INFLATABLE RESTRAINT FRONT PASSENGER PRESENCE SYSTEM (PPS) MODULE INFLATABLE RESTRAINT SENSING, PASSENGER DIAGNOSTIC SEAT MODULE BELT (SDM) SWITCH INSTRUMENT PANEL CLUSTER (IPC) LEFT REAR DRIVER DOOR DOOR JAMB JAMB SWITCH SWITCH LEFT SUNSHADE LIFTGATE AJAR SWITCH PASSENGER DOOR JAMB SWITCH PNK WIRE RADIO REAR WINDOW WIPER/WASHER SWITCH RIGHT REAR DOOR JAMB SWITCH RIGHT SUNSHADE STEERING WHEEL POSITION SENSOR THEFT DETERRENT MODULE (TDM) TRANSFER CASE SHIFT CONTROL MODULE TURN SIGNAL/ MULTIFUNCTION SWITCH VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) W/ ACTIVE BRAKE CONTROL WHT WIRE WINDSHIELD WASHER FLUID PUMP YAW, LATERAL INSIDE ACCELEROMETER REARVIEW MIRROR SENSOR

1969 544 1970 317 PPL AMBIENT LIGHT SENSOR (RIGHT SIDE OF DASH UPPER TRIM PANEL) BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND RIGHT FRONT KICK PANEL) BRN WIRE CLASS 2 DATA DK BLU WIRE DRL FUSE 39 DRL IND LOGIC DRL RELAY 79 FLASH TO PASS FOG/LP FUSE 24 FOG/LP RELAY 69 FRONT FOG LAMP SWITCH AUTO FRONT FOG LAMP IND OFF HDLP RELAY 75 HEAD ON HEADLAMP DIMMER SWITCH HEADLAMP SWITCH HI BM RLY CTRL DRL RLY CTRL HDLP RLY CTRL FOG LP RLY CTRL HI/LO BEAM RELAY 70 HIGH BEAM HIGH BEAM IND HOT AT ALL TIMES IGN INSTRUMENT PANEL CLUSTER LEFT FRONT FOG LAMP RIGHT FRONT FOG LAMP LEFT HEAD- LAMP LH HDLP FUSE 41 LT BLU WIRE LT BLU/WHT WIRE ORG/ WIRE PARK PARK BRAKE SWITCH (LEFT LOWER SIDE OF DASH) PK BRAKE SW SIG PNK WIRE PNK/WHT WIRE PPL PPL 524 1356 1807 HDLP DIM SW SIG FLASH TO PASS CLASS 2 SER DATA PPL CLASS 2 SERIAL DATA PPL PPL PPL/WHT WIRE RED WIRE RH HDLP FUSE 40 RIGHT HEAD- LAMP TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEELWELL) WHT WIRE YEL WIRE

12 15 MIL SERIAL DATA PPL 2 59 60 PPL SERIAL DATA SEAT BELT SW SEAT BELT SW 24 40 LOW REF 5 VOLT REF 1 3.7L 44 27 PPL PNK SERIAL DATA BRK FLUID LVL WIRE 5.3L 8 9 10 11 12 13 14 15 16 17 18 CHARGING IND ABS IND. ACCESSORY SWITCH AIR BAG IND BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND RIGHT FRONT KICK PANEL) BRAKE FLUID LEVEL SWITCH (ON LEFT SIDE OF BRAKE FLUID RESERVOIR) BRAKE IND BRN/WHT WIRE CHIME CLSTR FUSE 19 COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM 1807 238 CRUISE IND DK BLU WIRE DRIVER INFORMATION CENTER (DIC) DRIVER SEAT BELT BUCKLE DRIVER SEAT BELT SWITCH ECT SENSE ELECTRONIC BRAKE CONTROL MODULE (EBCM) (LEFT OF MASTER CYLINDER) ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPER- ATURE GAUGE ENGINE COOLANT TEMPERATURE (ECT) SENSOR (FRONT LEFT OF ENGINE) ENGINE OIL PRESSURE (EOP) SWITCH (3.7L) (ABOVE OIL FILTER) FUEL GAUGE FUEL PUMP, SENDER ASSEMBLY (MOUNTED ON TOP OF FUEL TANK) GRY WIRE HIGH BEAM IND 1 2 3 4 5 6 7 HOT AT ALL TIMES IGN ILLUMINATION (4 BULBS) INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (SDM) (BENEATH LOWER CONSOLE) INSTRUMENT PANEL CLUSTER (IPC) LEFT TURN IND LOGIC LOW REF LOW TIRE PRESSURE IND LT BLU WIRE MALFUNCTION IND NCA WIRE OIL GAUGE OIL PRESS OIL PRESSURE IND ORG/ WIRE PARK BRAKE SWITCH (LEFT LOWER SIDE OF DASH) PASSENGER SEAT BELT BUCKLE PASSENGER SEAT BELT SWITCH PASSENGER SEAT BELT IND PNK WIRE PPL PPL FUEL LEVEL PPL PPL PPL PPL SERIAL DATA SERIAL DATA PRK BRK SW SERIAL DATA PPL RED WIRE RIGHT TURN IND SEAT BELT IND SECURITY IND SENSOR SIG SERIAL DATA SERIAL DATA GROUND BATTERY SPEEDO- METER TACHO- METER TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRACTION CONTROL IND TRIP ODOMETER TRIP RESET SWITCH UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEELWELL) UP SHIFT IND VOLTS WHT WIRE YEL WIRE

ACCESSORY SWITCH AUTO BACK- LIGHTING BATTERY PK LP CTRL PK LP CTRL BCM FUSE 14 BLK WIRE BODY CONTROL MODULE (BCM) (BEHIND RIGHT FRONT KICK PANEL) BRN WIRE BRN/WHT WIRE DIM SW SIG DIM SW SIG DIM SW SIG DIM SW SIG DIM SW SIG DIM SW SIG DRIVER DOOR LOCK/ WINDOW SWITCH FRONT WHEELWELL) FRT/PRK FUSE 43 GRY WIRE HAZARD SWITCH HEADLAMP SWITCH HOT AT ALL TIMES HVAC MODULE (5 BULBS) (BENEATH RADIO) INSTRUMENT PANEL LAMPS DIMMING CONTROL HEAD LR PRK FUSE 37 OFF ORG/ WIRE PARK PASSENGER DOOR LOCK/ WINDOW SWITCH PPL PRK/LP RELAY 89 RADIO REAR WINDOW WIPER/WASHER SWITCH SUNROOF SWITCH SW SIG DIM CONTROL DIM SUPPLY LOW REF UNDERHOOD FUSE BLOCK (ABOVE LEFT W/ SUNROOF W/O SUNROOF WHT WIRE

1807 1807 COMPUTER DATA LINES SYSTEM A/C ON IND MODE SWITCH A/C ON SWITCH BLK WIRE BLK/WHT WIRE BLOWER MOTOR (BELOW RIGHT SIDE OF DASH) BLOWER MOTOR RESISTOR ASSEMBLY (ATTACHED TO BOTTOM OF BLOWER) BLOWER MOTOR SWITCH BRN WIRE DEFOG SW SIG DEFOGGER SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE GRD GRD DIMMER SW SIG A/C RECIR REQ SIG DEFOG IND CCTRL A/C REQ SIG GRY WIRE HIGH SPEED BLOWER MOTOR RELAY (ATTACHED TO BLOWER MOTOR CASE) HOT AT ALL TIMES HVAC BLWR FUSE 82 HVAC CNTRL HD FUSE 59 HVAC CONTROL MODULE (BENEATH RADIO) HVAC RELAY 87 IGN 3 VOLT IGN RLY CTRL A/C REQ SIG A/C RECIR REQ SIG SERIAL DATA SERIAL DATA IN MAIN BUNDLE) LOGIC LOW OFF LOW REF MODE DOOR SIG EVAP TEMP SIG R AIR TEMP SIG L AIR TEMP SIG LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE PNK PPL PPL WIRE PNK WIRE RDO FUSE 13 RECIR- CULATION SWITCH RECIRC A RECIRC B MODE DOOR B R AIR TEMP B AIR TEMP A L AIR TEMP B RED/BLK WIRE TAN WIRE TAN/BLK WIRE TEMPERATURE SWITCH RECIR- CULATION IND UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEELWELL) WHT WIRE YEL WIRE

-MTR FUSE 67 -SOL FUSE 64 AMP FUSE 38 E-BRAKE FUSE 83 AUDIO AMPLIFIER AUX PWR 1 FUSE 51 AUX PWR 2 FUSE 45 BATTERY BLK WIRE BLUNT CUT) BODY CONTROL MODULE BODY CONTROL MODULE (BCM) CLSTR FUSE 19 CNSTR VENT FUSE 31 DATA LINK CONNECTOR (DLC) DIODE DRIVER DOOR LEFT REAR LOCK/ WINDOW WINDOW SWITCH SWITCH DRIVER DOOR LOCK/ WINDOW SWITCH DRIVER HEATED SEAT CUSHION ELEMENT ELECTRONIC BRAKE CONTROL MODULE (EBCM) ENGINE CONTROL MODULE (ECM) EVAPORATIVE EMISSION (EVAP) CANISTER VENT SOLENOID VALVE FROM AUX PWR 1 FUSE 51 (DIAGRAM 1 OF 4) FROM REAR TRN/ HAZRD FUSE 20 (DIAGRAM 1 OF 4) FRT TRN/ HAZRD/ CTSY MIR FUSE 56 BCM FUSE 14 GENERATOR HTD/SEATS FUSE 1 SDARS FUSE 50 HVAC CONTROL MODULE I/P AUXILIARY POWER OUTLET INSTRUMENT PANEL CLUSTER (IPC) LT PWR WNDW FUSE 68 MEGAFUSE FUSE 91 NCA WIRE ORG/ WIRE PASSENGER HEATED SEAT MODULE PCM CNTRL RELAY 77 PCM-B FUSE 25 PWR/ LKS FUSE 8 RADIO RAP/ ACCY RELAY 88 S/ROOF FRT/WPR FUSE 9 RDO FUSE 13 REAR AUXILIARY POWER OUTLET REAR TRN/HAZRD FUSE 20 REAR WINDOW WASHER FLUID PUMP REAR WINDOW WIPER MODULE REAR WINDOW WIPER/ WASHER SWITCH REAR WPR SWITCH/PUMP FUSE 16 REAR/WPR MTR FUSE 15 RED WIRE RIGHT PASSENGER REAR DOOR LOCK/ WINDOW WINDOW SWITCH SWITCH RT PWR WNDW FUSE 63 SPO FUSE 10 STARTER STOP FUSE 54 TCCM FUSE 12 STOP TRANSFER CASE SHIFT LAMP SWITCH CONTROL MODULE STRTR FUSE 85 PWR S/ROOF FUSE 57 SUNROOF MODULE SUNROOF MOTOR TO ONSTAR FUSE (DIAGRAM 4 OF 4) TO PWR/ LOCK FUSE 8 (DIAGRAM 1 OF 4) TO PWR/TRN RELAY 81 (DIAGRAM 2 OF 4) TO RAP/ACCY RELAY 88 (DIAGRAM 1 OF 4) TRAILER CONNECTOR TRLR B+ FUSE 84 UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEELWELL) W/ HD TRUCK TRAILER WIRING HARNESS W/ PREMIUM AUDIO BRANDED, AMPLIFIER SPEAKER SYSTEM YEL WIRE