Hummer H2 I facelift (2007-2009) hot w/ run/crnk relay energized 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

4 5 6 7 8 9 10 11 12 13 14 15 16 BATT + GND BRAKE SWITCH SIG AUTOMATIC TRANSMISSION AUX HVAC IGN FUSE 41 BLK/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY DK BLU WIRE DK GRN WIRE DRIVER INFORMATION CENTER (DIC) FUSE 17 HOT AT ALL TIMES HOT W/ RUN/CRNK RELAY ENERGIZED IGN VOLTAGE IGNITION SWITCH INSTRUMENT CLUSTER PANEL (IPC) LOCK LOGIC LOW REFERENCE LT BLU/WHT WIRE LT GRN/BLK WIRE MISC IGN FUSE 37 ORG/BLK WIRE PC SOLENOID 1 CONTROL PC SOLENOID 2 CONTROL PC SOLENOID 3 CONTROL PC SOLENOID 4 CONTROL PC SOLENOID 5 CONTROL PC SOLENOID HIGH CONTROL PNK WIRE POWER DISTRIBUTION SYSTEM PPL/WHT WIRE PRESSURE CONTROL (PC) SOLENOID PRESSURE CONTROL (PC) SOLENOID VALVE 1 RED/WHT WIRE RUN WIRE SHIFT SOLENOID (SS) 1 CONTROL SHIFT SOLENOID (SS) 2 CONTROL SHIFT SOLENOID (SS) VALVE 1 SHIFT SOLENOID (SS) VALVE 2 TAN WIRE TAN/BLK WIRE TCM BATT FUSE 12 TO INTERNAL MODE SWITCH (DIAGRAM 2 OF 2) TORQUE CONVERTER CLUTCH (TCC) PRESSURE CONTROL (PC) SOLENOID TORQUE CONVERTER CLUTCH PRESSURE CONTROL SOLENOID CONTROL TOW/ HAUL IND TRANSMISSION CONTROL MODULE (TCM) TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR SIGNAL UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) VALVE VALVE 2 VALVE 3 VALVE 4 VALVE 5 WHT LT BLU/ WIRE 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

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 DIFF LOCK SW SIG 1553 1552 1342 MOTOR CONTROL B MOTOR CONTROL A BATTERY POSITIVE VOL GROUND 2501 2500 SERIAL DATA BUS- SERIAL DATA BUS+ 4-HI IND 4-HI LOCK IND 4-LO LOCK IND AUX HVAC IGN FUSE 41 BLK WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DIFFERENTIAL LOCK ACTUATOR (ON REAR AXLE AT TOP OF DIFFERENTIAL HOUSING) DIFFERENTIAL LOCK IND DIFFERENTIAL LOCK SWITCH DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DRIVER INFORMATION CENTER (DIC) GRY WIRE HOT AT ALL TIMES HOT W/ RUN/CRANK RELAY ENERGIZED HOT W/ RUN/CRNK RELAY ENERGIZED I/P MULTI-FUNCTION SWITCH IGNITION SWITCH INSTRUMENT PANEL CLUSTER (IPC) LOCK LOGIC LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE MISC IGN FUSE 37 NCA WIRE NEUTRAL 4 LO LOCK 4 HI LOCK 4 HI NEUTRAL IND ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PPL/WHT WIRE REAR WIPER WASHER SW RED/BLK WIRE RUN WIRE TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRANSFER CASE ENCODER MOTOR (AT LEFT REAR OF TRANSFER CASE ASSEMBLY) TRANSFER CASE SHIFT CONTROL MODULE (BEHIND HEADLIGHT SWITCH) TRANSFER CASE SHIFT CONTROL SWITCH TREC FUSE 58 UNDERHOOD FUSE BLOCK WHT WIRE WIPER/WASHER SYSTEM YEL WIRE YEL/BLK WIRE YEL/RED 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