Hummer H2 I (2002-2007) logic Wiring diagrams

A/C COMP CL RLY CTRL A/C COMP FUSE A/C COMPRESSOR CLUTCH A/C COMPRESSOR CLUTCH RELAY A/C LOW PRESSURE SWITCH (RIGHT SIDE OF ACCUMULATOR) A/C ON A/C RECIRC A/C REF PRE SENS SIG A/C REFRIGERANT PRESSURE SENSOR (IN REAR OF A/C COMPRESSOR) AMBIENT AIR TEMPERATURE SENSOR (RIGHT OF RADIATOR SUPPORT) BLK WIRE BLK/WHT WIRE BLOWER FUSE BLOWER MOTOR (ON HVAC ASSEMBLY) BLOWER MOTOR CONTROL PROCESSOR (BEHIND RIGHT SIDE OF DASH) BRN WIRE BRN/WHT WIRE CLASS 2 SER DATA CLASS 2 SERIAL DATA DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE FRT DEF GROUND GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN HOT IN RUN OR START HVAC 1 FUSE HVAC CONTROL MODULE (BEHIND CENTER OF DASH) HVAC/ ECAS FUSE I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) I/P JUNCTION BLOCK (LOWER RIGHT SIDE OF DASH) I/P RELAY BLOCK (LEFT SIDE OF DASH) IGN E FUSE INSIDE AIR TEMPERATURE SENSOR ASSEMBLY INST LAMP DIM CTRL GROUND LEFT TEMP CONTROL LO PRESS SENS SIG RT TEMP DOOR CTRL LT TEMP DOOR CTRL LOGIC LOW REF LOW REF TEMP SEN ASSY CTRL BLOWER SPEED CTRL LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MIRRORS SYSTEM MODE MODE DOOR CTRL MODE DOOR CTRL IGN 3 LOW REF B(+) ORG/ WIRE POWERTRAIN CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) PPL PPL/WHT WIRE REAR DEF RECIR RECIR DOOR CTRL RT TEMP DOOR CTRL LT TEMP DOOR CTRL RED WIRE RED/BLK WIRE RIGHT TEMP CONTROL RUN WIRE SPEED CTRL B(+) GROUND TAN WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) UPPER LEFT AIR TEMPERATURE SENSOR (AT LEFT SIDE OF DASH PANEL) UPPER RIGHT AIR TEMPERATURE SENSOR (AT RIGHT SIDE OF DASH PANEL) WHT WIRE WHT/BLK WIRE YEL WIRE

11 12 PPL AMBIENT LIGHT SENS LO REF AMBIENT LIGHT SENS SIG RIGHT SUNLOAD SENSOR SIG LEFT SUNLOAD SENSOR SIG AMBIENT LIGHT SENSOR AMBIENT LIGHT/ SUNLOAD SENSOR ASSEMBLY (TOP CENTER OF DASH) BLK WIRE BODY CONTROL MODULE (TOP LEFT SIDE OF DASH, ABOVE I/P FUSE BLOCK) BRN WIRE CLASS 2 SERIAL DATA DK BLU WIRE DK GRN WIRE GRY WIRE I/P JUNCTION BLOCK (LOWER RIGHT SIDE OF DASH) LEFT AIR TEMPERATURE ACTUATOR (LOWER MIDDLE UNDERSIDE OF HVAC ASSEMBLY) LEFT SOLAR SENSOR LOGIC LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE MODE ACTUATOR (LEFT SIDE OF HVAC ASSEMBLY) PPL RECIRCULATION ACTUATOR (TOP FRONT OF HVAC ASSEMBLY) RIGHT AIR TEMPERATURE ACTUATOR RIGHT SOLAR SENSOR TAN WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

A/C COMP CL RLY CTRL A/C COMP FUSE A/C COMPRESSOR CLUTCH A/C COMPRESSOR CLUTCH RELAY A/C LOW PRESSURE SWITCH (RIGHT SIDE OF ACCUMULATOR) A/C ON SWITCH A/C REF PRE SENS SIG A/C REFRIGERANT PRESSURE SENSOR (IN REAR OF A/C COMPRESSOR) BLK WIRE CLASS 2 SER DATA LO PRESS SENS SIG CLASS 2 SERIAL DATA DK BLU WIRE DK GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN RUN OR START HVAC CONTROL MODULE (BEHIND CENTER OF DASH) IGN E FUSE LOGIC LOW REF POWERTRAIN CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) RED WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) WHT WIRE

7 8 MIRROR HTR GROUND BLK WIRE BODY CONTROL MODULE (AT TOP LEFT SIDE OF DASH) BRN WIRE CLASS 2 SER DATA CLASS 2 SER DATA RELAY CNTRL COMPUTER DATA LINES SYSTEM DRIVER DOOR MODULE DRIVER OUTSIDE REAR- VIEW MIRROR FRONT PASSENGER DOOR MODULE FRONT PASSENGER OUTSIDE REAR VIEW MIRROR GROUND HOT AT ALL TIMES HOT IN RUN AND START HVAC CONTROL MODULE (BEHIND CENTER OF DASH) I/P RELAY BLOCK (NEAR LEFT KICK PANEL) IGN LOGIC LT GRN WIRE MIRROR HTR ORG/ WIRE PNK WIRE PPL REAR DEFOGGER RELAY REAR DEFOGGER SWITCH REAR WINDOW DEFOGGER RR DEFOG FUSE SEO IGN FUSE SERIAL DATA TAN WIRE UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPT) WHT WIRE

1 2 3 4 5 6 7 PNK WIRE BLK WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (ON TOP LEFT SIDE OF DASH, ABOVE I/P FUSE BLOCK) BRN WIRE DK BLU WIRE DRL DEFEAT ELECTRONIC BRAKE CONTROL MODULE (ON LEFT SIDE OF INNER FRAME) FRONT TURN SIGNAL LAMP SUPPLY VOLTAGE I/P RELAY BLOCK LEFT TURN SIGNAL IND FRT PARK FUSE GRN WIRE GRY WIRE GRY/BLK WIRE HEAD HEADLAMP, PANEL DIMMER SWITCH HOT AT ALL TIMES HOT IN RUN OR START IGN E FUSE INSTRUMENT PANEL CLUSTER INT PARK FUSE LEFT FRONT MARKER LAMP LEFT FRONT PARK/ TURN SIGNAL LAMP LEFT REAR MARKER LAMP LEFT REAR TURN SIGNAL LAMP LEFT TAIL/ STOP LAMP LICENSE LAMPS LOGIC LR PARK FUSE LT BLU WIRE NCA WIRE ORG/ WIRE PARK AUTO PARK LAMP RLY CTRL PARK LAMP SW ON SIG PARK LP RELAY PNK WIRE REAR JUNCTION BLOCK (ON UNDERSIDE OF REAR BODY, NEAR CENTER OF REAR BUMPER) RED WIRE RIGHT FRONT MARKER LAMP RIGHT FRONT PARK/ TURN SIGNAL LAMP RIGHT REAR MARKER LAMP RIGHT REAR TURN SIGNAL LAMP RIGHT TAIL/ STOP LAMP RIGHT TURN SIGNAL IND RR PARK FUSE SPLICE PACK STOP LAMP SUPPLY VOLTAGE STOP LAMP SWITCH (ABOVE BRAKE PEDAL) STOP LP FUSE THROTTLE ACTUATOR CONTROL MODULE (LEFT REAR OF ENGINE COMPT) TRL PARK FUSE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPARTMENT NEAR BATTERY) WHT WIRE YEL WIRE

BLK WIRE BODY CONTROL MODULE (ON TOP LEFT SIDE OF DASH, ABOVE I/P FUSE BLOCK) BRN WIRE DK BLU WIRE GND SUNROOF RELAY OPEN SIGNAL HOT AT ALL TIMES LOGIC ORG/ WIRE RAP SUPPLY VOLTAGE SUN ROOF FUSE SUN ROOF MODULE (IN FRONT OF HEADLINER, NEAR FRONT OF OVERHEAD CONSOLE) SUN ROOF RELAY (ATTACHED TO HEADLINER HARNESS, NEAR LEFT SIDE OF DASH SUN ROOF SWITCH SUNROOF ACTUATOR MOTOR SUNROOF RELAY CLOSE SIGNAL SUNROOF RELAY SWITCH OUTPUT TAN WIRE UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPARTMENT)

BATTERY POSITIVE VOLTAGE BCM CLASS 2 SERIAL DATA BLK WIRE BODY CONTROL MODULE (BCM) (ON TOP LEFT SIDE OF DASH, ABOVE I/P FUSE BLOCK) BRN WIRE COMPUTER DATA LINES SYSTEM DDM CLASS 2 SERIAL DATA DK BLU WIRE DK GRN WIRE DOOR LOCKS DOWN DRIVER DOOR MODULE (DDM) (BEHIND DRIVER'S DOOR PANEL) DRIVER WINDOW MOTOR (IN DRIVER'S DOOR) DRIVER WINDOW SWITCH FRONT PASSENGER WINDOW SWITCH FRONT PASSENGER WINDOW MOTOR (IN FRONT PASSENGER DOOR) FRONT PASSENGER WINDOW SWITCH GROUND GRY/BLK WIRE HOT AT ALL TIMES I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) I/P JUNCTION BLOCK (LOWER RIGHT SIDE OF DASH) I/P RELAY BLOCK (LEFT SIDE OF DASH) LED LOGIC LEFT FRONT POWER WINDOW MOTOR CONTROL LEFT FRONT POWER WINDOW MOTOR DOWN CONTROL LEFT FRONT POWER WINDOW MOTOR UP CONTROL LEFT REAR WINDOW MOTOR (IN LEFT REAR DOOR) LEFT REAR WINDOW SWITCH LOGIC LR PWR WNDO LOCKOUT CNTRL LR WNDO DWN RELAY CNTRL LR WNDO UP RELAY CNTRL LT BLU WIRE LT DOORS CIRCUIT BREAKER LT GRN WIRE ORG/ WIRE PASSENGER DOOR MODULE (FPDM) (IN PASSENGER'S DOOR) PDM CLASS 2 SERIAL DATA PDM FUSE RIGHT REAR WINDOW MOTOR (IN RIGHT REAR DOOR) RIGHT REAR WINDOW SWITCH RR PWR WNDO LOCKOUT CNTRL RR WNDO DWN RELAY CNTRL RR WNDO UP RELAY CNTRL RT DOORS CIRCUIT BREAKER SWITCH POWER TAN WIRE WHT WIRE WINDOW DWN RELAY WINDOW LOCKOUT SWITCH WINDOW UP RELAY YEL WIRE

1132 1036 PPL AIR BAG INDICATOR BLK WIRE BLK/WHT WIRE BRN WIRE CLASS 2 SERIAL DATA DATA LINK CONNECTOR (ON LEFT LOWER DASH) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE GROUND GRY WIRE HIGH CONTROL LOW CONTROL LOW REF LOW CONTROL HIGH CONTROL HOT IN RUN OR START IGN IGNITION 1 VOLTAGE ILLUM INFLATABLE RESTRAINT I/P MODULE INFLATABLE RESTRAINT I/P MODULE DISABLE SWITCH INFLATABLE RESTRAINT SENSING/DIAGNOSTIC MODULE (UNDER DRIVER SEAT) INFLATABLE RESTRAINT STEERING WHEEL MODULE INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL INSTRUMENT PANEL CLUSTER INTERIOR PARK LAMPS SUPPLY VOLTAGE LOGIC LOW REF LOW REF PPL NCA WIRE OFF PNK WIRE PPL SEAT BELT SWITCH (IN DRIVER SEAT BELT BUCKLE) SHORTING BAR SHORTING CLIP SIR FUSE SPLICE PACK TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENG COMPT) WHT WIRE WHT/BLK WIRE YEL WIRE

2-HI IND 4 HI 4 LO 4-HI IND 4-LO IND BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CHAN A ENC CHAN B ENC 2-HI IND NEUTRAL IND CHAN C ENC CHAN P ENC CLASS II DATA RR DIF HI CTRL RR DIF LK IND 4-LO IND 4-HI IND CONTROL MODULE DIFF LK DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE FUSE GROUND BATTERY MOTOR CTRL A MOTOR CTRL B GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN HOT IN RUN OR START I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) IGN E FUSE ILLUMINATION INSTRUMENT PANEL CLUSTER LAMP LOGIC LOW REF LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE NEUTRAL IND ORG/ WIRE PNK WIRE PPL PPL DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) PPL/WHT WIRE REAR DIFFERENTIAL LOCK ACTUATOR (TOP OF DIFFERENTIAL HOUSING) RED WIRE RED/WHT WIRE RR DIF LK IND RR DIF LO REF RUN WIRE SHIFT MOTOR SPLICE PACK TAN/BLK WIRE TRANSFER CASE ENCODER MOTOR TRANSFER CASE SHIFT CONTROL MODULE (BEHIND HEADLAMP SWITCH) TRANSFER CASE SHIFT CONTROL SWITCH TREC FUSE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) YEL/BLK WIRE

1045 1044 1132 PNK WIRE 22 20 5 SERIAL DATA LOW REFERENCE DOOR AJAR SWITCH 22 3 11 SERIAL DATA LEFT SEAT BELT SW LOW REFERENCE 22 3 18 SERIAL DATA LOW REFERENCE LEFT DOOR AJAR SW 50 21 20 VSS SIGNAL VSS HIGH SIGNAL VSS LOW SIGNAL 59 58 SERIAL DATA SERIAL DATA AUDIO AMPLIFIER BLK WIRE BLK/WHT WIRE BRN WIRE DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DOOR AJAR SWITCH DRIVER DOOR LATCH ASSEMBLY DRIVER DOOR MODULE (DDM) (IN DRIVERS DOOR PART OF SWITCH ASSEMBLY) FRONT PASSENGER DOOR LATCH ASSEMBLY DOOR AJAR SWITCH FRONT PASSENGER DOOR MODULE (FPDM) (IN PASSENGER DOOR) GRY WIRE GRY/BLK WIRE I/P FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) I/P JUNCTION BLOCK (ON LOWER RIGHT SIDE OF DASH) I/P RELAY BLOCK (ON LEFT SIDE OF INSTRUMENT PANEL, NEAR LEFT KICK PANEL) IGNITION INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (SDM) (UNDER LEFT FRONT SEAT) INSTRUMENT PANEL CLUSTER (IPC) LEFT LIFTGATE AJAR SWITCH LEFT TURN LOGIC LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (PCM) (ON LEFT FRONT OF ENGINE COMPARTMENT) PPL PPL/WHT WIRE RADIO RIGHT LIFTGATE AJAR SWITCH RIGHT TURN SEAT BELT SEAT BELT SWITCH SERIAL DATA TAN WIRE VEHICLE SPEED SENSOR (VSS) (REAR OF TRANSFER CASE) VEHICLE SPEED SIGNAL WHT WIRE WIPER/ WASHER SYSTEM YEL WIRE