Hummer H3 I (2005-2010) ign Wiring diagrams

ABS IND. ACCESSORY SWITCH BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND RIGHT FRONT KICK PANEL) BRAKE IND BRN WIRE BRN/WHT WIRE CAN L CLASS 2 SERIAL DATA CLASS 2 SERIAL DATA PPL CLASS CLASS 2 (EBCM) 2 (EBCM) DELIVERED TORQUE SIGNAL DK BLU WIRE DRIVER INFO CENTER INSTRUMENT PANEL CLUSTER (IPC) ENGINE CONTROL MODULE (ECM) (RIGHT REAR CORNER OF ENGINE COMPT) GRY WIRE HOT W/ HVAC RELAY ENERGIZED IGN IGN 3 VOLT LOGIC LT BLU WIRE LT GRN WIRE ORG/BLK WIRE PARK BRAKE SWITCH PARK BRK SW SIG PPL PPL CLASS 2 SERIAL DATA PPL DATA LINK CONNECTOR (DLC) (LEFT SIDE OF DASH) PULSE SIG STEERING REQUESTED TORQUE SIGNAL SIG A STEERING STABILITY CAUTION IND STEERING SIG B STOP LP VOLT TAN/BLK WIRE TRAC CTRL SW SIG TRACTION CONTROL SWITCH UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEELWELL) VSES/ABS FUSE 52 WHT WIRE YAW, LATERAL ACCELEROMETER SENSOR (W/ ACTIVE BRAKE CONTROL) (UNDER DRIVER

AMBIENT AIR TEMP SENSOR LOW REF AMBIENT AIR TEMPERATURE SENSOR (ATTACHED TO FRONT CENTER OF RADIATOR SUPPORT) BARE BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CRUISE/ MISC FUSE 35 DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE EMERGENCY SWITCH GREEN LED HOT AT ALL TIMES HOT IN RUN OR START UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEELWELL) IGN INSIDE REARVIEW MIRROR KEYPAD CTRL KEYPAD GREEN LED SIG KEYPAD RED LED SIG WIRE LOGIC LT BLU WIRE LT GRN/BLK WIRE NAVIGATION SYSTEM ONSTAR BUTTON ASSEMBLY ONSTAR SWITCH PHONE SWITCH RED LED WIRE RUN/ CRNK RELAY 78 SIG KEYPAD SUPPLY VOLT YEL WIRE YEL/BLK WIRE

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

BLK WIRE BLK/RED WIRE BODY CONTROL MODULE (BEHIND RIGHT FRONT KICK PANEL) BRN WIRE DR HTD SEAT SW OFF SIG DRIVER HEATED SEATS CIRCUIT HOT AT ALL TIMES HTD/SEATS FUSE 1 HVAC RELAY 87 IGN IGN 3 RLY COIL LOGIC LOW HIGH/LOW STATUS IND BULB HIGH LT BLU WIRE NCA WIRE ORG/ WIRE PASSENGER BACK HEATED SEAT ELEMENT (IN PASSENGER SEAT BACK) PASSENGER CUSHION HEATED SEAT ELEMENT (IN PASSENGER SEAT BOTTOM) PASSENGER HEATED SEAT MODULE (IN PASSENGER SEAT BOTTOM) PASSENGER SEAT BELT BUCKLE PASSENGER SEAT LUMBAR ADJUSTER SWITCH PNK WIRE PWR HTR SWITCH FUSE 53 RED WIRE RED/BLK WIRE UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEEL WELL) WHT WIRE YEL WIRE

3 OF 4) ACCESSORY VOLTAGE BATT IGN SWITCH FUSE 5 BLK WIRE BLU WIRE BODY CONTROL MODULE (BCM) BODY CONTROL MODULE (BCM) (BEHIND RIGHT FRONT KICK PANEL) 5-VOLTS BRN WIRE DIGITAL RADIO RECEIVER DRIVER DOOR LOCK/ WINDOW SWITCH ENGINE CONTROL MODULE (ECM) FROM BATTERY (DIAGRAM 1 OF 4) FROM RR DEFOG RELAY 71 (DIAGRAM FROM RUN/CRANK RELAY 78 (DIAGRAM 2 OF 4) FRT/PRK FUSE 43 GRN WIRE IGN IGNITION SWITCH LEFT FRONT MARKER LAMP LEFT PARK/TURN SIGNAL LAMP LEFT REAR WINDOW SWITCH LEFT ROOF MARKER LAMP LEFT TAIL/STOP, TURN SIGNAL LAMP LH PRK FUSE 37 LICENSE LAMP MAIN BUNDLE) OFF ONSTAR FUSE ORG/ WIRE PASSENGER DOOR LOCK/ WINDOW SWITCH PRK/ LP RELAY 89 RED WIRE REFERENCE RIGHT FRONT MARKER LAMP RIGHT PARK/TURN SIGNAL LAMP RIGHT REAR WINDOW SWITCH RIGHT TAIL/STOP, TURN SIGNAL LAMP RR PRK FUSE 49 RUN WIRE RUN/ CRANK VOLTAGE THEFT DETERRENT MODULE (TDM) TRAILER CONNECTOR TRLR FUSE 55 UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEELWELL) VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) W/ DIGITAL AUDIO W/ ROOF MOUNTED MARKER LAMP WHT WIRE YEL WIRE

BATTERY BLK WIRE BLU WIRE BODY CONTROL MODULE (BCM) (BEHIND RIGHT FRONT KICK PANEL) COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE (ECM) (RIGHT REAR CORNER OF ENGINE COMPT) IGN IGN VOLT IGNITION SWITCH OFF PCM CNTRL POWER DISTRIBUTION SYSTEM PPL PPL SERIAL DATA RED WIRE RELAY 77 RUN WIRE SERIAL DATA STARTER STRTR FUSE 85 TAN WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEELWELL) WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

AIR BAG IND BLK/ WHT WIRE BLK/WHT WIRE BRN WIRE DK BLU WIRE DK GRN WIRE DRIVER SEAT BELT SWITCH (PART OF SEAT BELT BUCKLE (DRIVER)) GRY WIRE IGN IGN VOLT IGNITION VOLT INSTRUMENT PANEL CLUSTER (IPC) IPC CLASS 2 SERIAL DATA LEFT INFLATABLE RESTRAINT FRONT END SENSOR (LEFT LOWER RADIATOR SUPPORT) LEFT INFLATABLE RESTRAINT ROOF RAIL MODULE (W/ HEAD CURTAIN AIR BAG) LEFT INFLATABLE RESTRAINT SEAT POSITION SENSOR (ON DRIVER SEAT TRACK) LOGIC LOW REF LT BLU WIRE LT GRN WIRE LT GRN/WHT WIRE NCA WIRE OFF IND ON IND. PASSENGER SEAT BELT BUCKLE PNK WIRE PPL PPL PPL PRESS SIG RED WIRE RIGHT INFLATABLE RESTRAINT FRONT END SENSOR (RIGHT LOWER RADIATOR SUPPORT) RIGHT INFLATABLE RESTRAINT ROOF RAIL MODULE (W/ HEAD CURTAIN AIR BAG) RIGHT INFLATABLE RESTRAINT SEAT POSITION SENSOR (ON DRIVER SEAT TRACK) SEAT BELT IND SERIAL SHORTING BAR TAN WIRE TENSION SIG TO A/T FLOOR SHIFT CONTROL) VOLT REF WHT WIRE YEL WIRE