Hummer H3 I (2005-2010) accessory switch 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

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

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

3-2 SHIFT SOLENOID (SS) VALVE A/T ACCESSORY SWITCH AIR BAG FUSE 27 AIR PUMP FUSE 62 AIR PUMP RLY FUSE 17 BLK WIRE CRUISE REARVIEW CONTROL CAMERA RELEASE IMAGE SWITCH DISPLAY MODULE CRUISE/MISC FUSE 35 DK BLU WIRE DRIVER SEAT ADJUSTER SWITCH DRL FUSE 39 DRL RELAY 70 FOG/LP RELAY 69 FROM FUEL/ PUMP RELAY 66 (DIAGRAM 2 OF 4) FROM RAP/ ACCY RELAY 88 (DIAGRAM 1 OF 4) FRT/WIPER FUSE 6 FUEL PUMP RELAY 66 HDLP RELAY 75 HORN RELAY 74 INFLATABLE RESTRAINT FRONT PASSENGER PRESENCE SYSTEM (PPS) SENSOR INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (SDM) INFLATABLE RESTRAINT VEHICLE ROLLOVER SENSOR INSIDE TURN REARVIEW SIGNAL/ MIRROR MULTI-FUNCTION SWITCH ON/OFF WIPER RELAY 72 ORG/ WIRE PASSENGER SEAT ADJUSTER SWITCH PASSENGER SEAT LUMBAR ADJUSTER SWITCH PNK PNK A/T IF EQUIPPED WIRE PNK WIRE POWER SEAT FUSE HOLDER PWR SEATS FUSE 61 PWR/TRN RELAY 81 RED WIRE RUN/ CRANK RELAY 78 RVC PWR FUSE 7 RVC VSENSE+ FUSE 32 SEAT CIRCUIT BREAKER SECONDARY AIR GENERATOR INJECTION (AIR) BATTERY PUMP RELAY CONTROL MODULE SPARE 6 FUSE 18 TRANS FUSE 34 TO AIR CMPRSR FUSE 11 (DIAGRAM 3 OF 4) TO BCK/UP FUSE 28 (DIAGRAM 3 OF 4) TO BODY CONTROL MODULE (DIAGRAM 4 OF 4) TO RUN/ CRANK RELAY 78 (DIAGRAM 2 OF 4) TORQUE CONVERTER CLUTCH PULSE WIDTH MODULATION (TCC PWM) SOLENOID VALVE TRANSMISSION CONTROL MODULE (TCM) UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEELWELL) W/ AIR INJECTION ELECTRIC REACTOR SYSTEM WHT WIRE YEL WIRE

1 1 1 1 1 1 PPL ACCESSORY SWITCH AIR BAG FUSE 27 BLK WIRE BLK/WHT WIRE BRN WIRE DK BLU WIRE DK GRN WIRE DRIVER SEAT BELT PRETENSIONER (AT LEFT INNER "B" PILLAR) GRY WIRE HOT W/ RUN/CRANK RELAY ENERGIZED INFLATABLE RESTRAINT I/P MODULE (ABOVE DASH COMPARTMENT) INFLATABLE RESTRAINT PASSENGER AIR BAG ON/OFF INDICATOR INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (SDM) (BENEATH LOWER CONSOLE) INFLATABLE RESTRAINT STEERING WHEEL MODULE (IN STEERING COLUMN) INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL (MOUNTED TO STEERING WHEEL) LH BELT SW RH BELT SW LH PRETENS-LO LH PRETENS-HI RH PRETENS-HI RH PRETENS-LO LT BLU WIRE LT GRN WIRE LT GRN/WHT WIRE NCA WIRE OFF ORG/ WIRE ORG/BLK WIRE PASSENGER SEAT BELT INDICATOR PASSENGER SEAT BELT PRETENSIONER (AT RIGHT INNER "B" PILLAR) PNK WIRE POS RTRN POS SENSOR-HI POS SENSOR-HI IGNITION VOLTAGE PPL RED WIRE SHORTING BAR SHORTING BAR PPL STAGE 1 STAGE 1 STAGE 2 STAGE 2 TAN WIRE UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEELWELL) WHT WIRE YEL WIRE

4 HI 4 HI LOCK 4 LO LOCK 4-HI IND 4-HI LOCK IND 4-LO LOCK IND A ENCODER SIG ACCESSORY SWITCH BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND RIGHT FRONT KICK PANEL) BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CTRL IGN RLY DIFF LOCK DK BLU/WHT WIRE DRIVER INFORMATION CENTER (DIC) ENCODER LO REF ENGINE CONTROL MODULE (ECM) (RIGHT REAR CORNER OF ENGINE COMPT) GND BAT MOTOR CTRL A MOTOR CTRL B GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HVAC RELAY 87 IND INSTRUMENT PANEL CLUSTER (IPC) LO REF LOGIC LOW SIG LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE NEUTRAL IND ORG/ WIRE P ENCODER SIG PNK WIRE PPL PPL PPL 10 11 PPL/WHT WIRE REAR DIFFERENTIAL LOCK ACTUATOR (MOUNTED TO CENTER OF REAR AXLE) RED WIRE RED/WHT WIRE SERIAL DATA (-) SERIAL DATA (+) SERIAL DATA B ENCODER SIG 4 HI IND NEU IND CTRL TAN/BLK WIRE TCCM FUSE 12 TCCM SWITCH FUSE 58 TRANSFER CASE ENCODER MOTOR (PART OF TRANSFER CASE) TRANSFER CASE SHIFT CONTROL MODULE (BEHIND GLOVE BOX) UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEELWELL) YEL/BLK WIRE