Hummer H2 I facelift (2007-2009) ecm ign fuse 47 Wiring diagrams

12 13 PPL BRK SW SIG 17 19 GMLAN BUS- SERIAL DATA ABS IND. ABS PUMP MOTOR ANG SENS SIG BLK WIRE BLK/PPL WIRE BLK/WHT WIRE BRAKE IND BRK SENS SIG PPL BRN WIRE CAN BUS HI CAN BUS LO CLASS 2 SER DATA COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ECM IGN FUSE 47 ENGINE COMPT, NEAR BATTERY) GND CAN BUS LO CAN BUS HI GND SENS PHASE C GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HI SPD GMLAN - HI SPD GMLAN + LO REF HI SPD GMLAN HI SPD GMLAN HOT AT ALL TIMES HOT W/ RUN/CRNK RELAY ENERGIZED IGN CLASS 2 SER DATA IGN GND ANGLE SENS A INSTRUMENT PANEL CLUSTER (IPC) IPC FUSE 39 L SPEED SENS SIG L WHEEL SPD SIG LEFT FRONT WHEEL SPEED SENSOR (ON LEFT FRONT WHEEL HUB ASSEMBLY) LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF INSTRUMENT PANEL TO LEFT LEFT REAR WHEEL SPEED SENSOR (ON LEFT REAR WHEEL HUB ASSEMBLY) LOGIC LOW REF LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE OF STEERING COLUMN) ORG/BLK WIRE ORG/WHT WIRE PARK BRAKE SWITCH PNK WIRE PPL PRK BRK SW R SPEED SENS SIG R WHEEL SPD SIG RADIO AUDIO W/ DVD NAVIGATION RED/BLK WIRE RED/WHT WIRE RIGHT REAR WHEEL SPEED SENSOR (ON RIGHT REAR WHEEL HUB ASSEMBLY) SENS PHASE B SERIAL DATA STOP LAMP SWITCH TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRACTION CONTROL IND UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF VEHICLE SPD SIG VSES/ ABS 1 FUSE 52 VSES/ ABS 2 FUSE 7 VSS YEL WIRE

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

ACCESSORY POWER OUTLET AUTOMATIC TRANSMISSION AUX PWR 2 FUSE AUX PWR FUSE AUXILIARY BLOWER MOTOR CONTROL MODULE BCM FUSE BLK WIRE BODY CONTROL MODULE (BCM) CENTER CONSOLE 1 ACCESSORY POWER OUTLET CENTER CONSOLE 2 CENTER CONSOLE COMPARTMENT ACCESSORY POWER OUTLET CTSY FUSE DDM FUSE DIM FUSE DRIVER DOOR LOCK/ WINDOW SWITCH DRIVER MEMORY SEAT MODULE DRIVER MIDGATE MEMORY WINDOW MOTOR SEAT MODULE DSEAT 2 MGATE CIRCUIT BREAKER CIRCUIT BREAKER DSM FUSE ECM IGN FUSE 47 ELECTRONIC BRAKE CONTROL MODULE (EBCM) ENGINE FUEL SYSTEM CONTROL CONTROL MODULE MODULE (ECM) (FSCM) FROM HVAC IGN FUSE (DIAGRAM 4 OF 4) FROM LBEC 1 FUSE (DIAGRAM 1 OF 4) FROM LBEC 2 FUSE (DIAGRAM 1 OF 4) FROM MBEC 1 FUSE (DIAGRAM 1 OF 4) GARAGE DOOR OPENER (GDO) HARNESS BREAKOUT) INFO FUSE INT LTS FUSE LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH TO LEFT OF STEERING COLUMN) LEFT REAR REAR HEATED WINDOW SEAT SWITCH CONTROL MODULE LEFT SUNSHADE LOCK/UNLOCK PCB RELAY LT DR CIRCUIT BREAKER LT STOP TURN FUSE ONSTAR FUSE PASSENGER DOOR LOCK/ WINDOW SWITCH PASSENGER SEAT ADJUSTER SWITCH PASSENGER SEAT LUMBAR ADJUSTER SWITCH PDM FUSE PNK PNK WIRE PNK WIRE PSEAT 1 CIRCUIT BREAKER REAR ACCESSORY CARGO ACCESSORY REAR HVAC FUSE REAR SEAT FUSE REAR WINDOW WIPER CONTROL MODULE REAR WIPER FUSE STOP LAMP FUSE RED WIRE RED/BLK WIRE RIGHT I/P JUNCTION BLOCK RIGHT REAR WINDOW SWITCH RT DOORS CIRCUIT BREAKER RT STOP TURN FUSE TRANS IGN 1 FUSE 17 UGDO FUSE VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) W/ ONSTAR WHT WIRE

1589 473 5985 439 440 COOLING FANS SYSTEM 2501 2500 1161 1271 6049 1162 2709 2700 COMPUTER DATA LINES SYSTEM 5-VOL IAT SENS SIG LO REF 5-VOLT REF 2 A/C COMP A/C PRES SIG LO REF ACCELERATOR PEDAL POSITION (APP) SENSOR (ABOVE ACCELERATOR PEDAL ASSEMBLY) AIR CONDITIONING SYSTEM AIR CONDITIONING SYSTEM 3223 3122 BLK/WHT WIRE BREAKOUT) BRN WIRE BRN/WHT WIRE COOLING FANS SYSTEM DATA BUS- DATA BUS+ APP SENS 1 LO REF LO REF APP SENS 2 5-VOL 5-VOL DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ECM BATT FUSE 10 ECM IGN FUSE 47 FAN REL CTRL RLY COIL CTRL FUEL PUMP/ SENDER ASSEMBLY (IN FUEL TANK) GRY WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT W/ RUN/CRNK RELAY ENERGIZED IGNITION SWITCH LOCK LT BLU WIRE LT BLU/WHT WIRE LT GRN/BLK WIRE MAF SENS SIG MASS AIR FLOW (MAF)/INTAKE AIR TEMPERATURE (IAT) SENSOR (IN AIR INDUCTION TUBE) MIL CONTROL PPL ORG/BLK WIRE ORG/WHT WIRE PNK IGNITION VOL WIRE PNK PNK 3 3 WIRE PNK WIRE PPL PPL FUEL LVL-PRI FAN REL CTRL ACC SER DATA IGNITION VOL BATT POSITIVE PPL LO REF FTP SIG PPL/WHT WIRE RED/WHT WIRE REL CTRL RELAY CTRL RUN WIRE STARTING/CHARGING SYSTEM TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCC BRK SIG TCM BATT FUSE 12 TRANSMISSIONS SYSTEM UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) VSS HI SIG VSS LO SIG GROUND WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE