Hummer H2 I (2002-2007) computer data lines system Wiring diagrams

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 TP SENSOR 1 SIG 15 14 SERIAL DATA SERIAL DATA ACCELERATION PEDAL POSITION SENSOR (BEHIND ACCELERATOR PEDAL) APP SENSOR 1 SIG APP SENSOR 2 SIG LOW REF BLK WIRE BRN WIRE COMPUTER DATA LINES SYSTEM CRUISE FUSE CRUISE IND DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ETC/ECM FUSE GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT IN RUN HOT IN RUN, START I/P FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) IGN INSTRUMENT PANEL CLUSTER LOW REF LT BLU WIRE LT BLU/BLK WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK WIRE POWERTRAIN CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) PPL PPL/WHT WIRE RESUME/ ACCEL CRUISE CONTROL ON/OFF SWITCH SERIAL DATA SERIAL DATA CLASS 2 DATA SET/ COAST STOP LPS FUSE STOPLAMP SWITCH (TOP OF BRAKE PEDAL) TAN WIRE THROTTLE ACTUATOR CONTROL MODULE (LEFT REAR OF ENGINE COMPT) TURN SIGNAL/ MULTIFUNCTION SWITCH UNDER- HOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (NEAR BATTERY) VEH STOP FUSE VEHICLE SPEED SENSOR (VSS) (ON RIGHT REAR OF AUTOMATIC TRANS) VSS HIGH VSS LOW WHT WIRE WHT/BLK WIRE YEL 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

11 10 5 BATT (+) MEM 1 SW SIG MEM 2 SW SIG 2 3 PNK WIRE 4 5 PPL BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CLASS 2 DATA COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DRIVER DOOR MODULE (IN DRIVER'S DOOR) DRIVER SEAT BOLSTER/ LUMBAR SWITCH DRIVER SEAT FRONT VERTICAL MOTOR DRIVER SEAT FRONT VERTICAL POSITION SENSOR DRIVER SEAT HORIZ- ONTAL MOTOR DRIVER SEAT HORIZ- ONTAL POSITION SENSOR DRIVER SEAT LUMBAR MOTOR POSITION SENSOR DRIVER SEAT REAR VERTICAL MOTOR DRIVER SEAT REAR VERTICAL POSITION SENSOR DRIVER SEAT RECLINE POSITION SENSOR DRIVER SEAT RECLINER MOTOR DRIVER SEAT TORSO BOLSTER MOTOR/ POSITION SENSOR EXIT GRY/RED WIRE IN OUT LT BLU WIRE LT GRN WIRE MEM 1 MEM 2 MEMORY/ HEATED SEAT SWITCH NCA WIRE ORG/ WIRE OUT PNK WIRE PNK/BLK WIRE PPL PPL/WHT WIRE RED WIRE TAN WIRE TAN/WHT WIRE WHT WIRE WHT/RED WIRE YEL WIRE

AIR SUSP RLY GND AIR SUSPENSION COMPRESSOR AIR SUSPENSION EXHAUST VALVE (ATTACHED TO RIGHT SIDE OF COMPRESSOR HEAD) AIR SUSPENSION INFLATOR SWITCH (IN RIGHT REAR OF CARGO AREA, NEAR "D" PILLAR) AIR SUSPENSION MODULE (NEAR RIGHT FRONT OF COMPRESSOR) AIR SUSPENSION PRESSOR SENSOR BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DK BLU/WHT WIRE DK GRN WIRE FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN HVAC/ ECAS FUSE I/P FUSE BLCK (ON LOWER LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE ORG/ WIRE ORN/ PPL PPL 3 2 1 RED WIRE RIDE HEIGHT SWITCH RIGHT REAR AIR SUSPENSION INLET VALVE LEFT REAR AIR SUSPENSION INLET VALVE RR AIR SUSP SEN SIG LR AIR SUSP SENS SIG RIDE HEIGHT SW SIG LO REF GROUND RUN WIRE UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENG COMPT, NEAR BATTERY) VSES/ ECAS FUSE WHT WIRE YEL WIRE

AIR SUSP RLY GND AIR SUSPENSION COMPRESSOR 1 AIR SUSPENSION COMPRESSOR 2 AIR SUSPENSION EXHAUST VALVE (ATTACHED TO RIGHT SIDE OF COMPRESSOR HEAD) AIR SUSPENSION INFLATOR SWITCH (IN RIGHT REAR OF CARGO AREA, NEAR "D" PILLAR) AIR SUSPENSION MODULE (NEAR RIGHT FRONT OF COMPRESSOR) AIR SUSPENSION PRESSOR SENSOR BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DK BLU/WHT WIRE DK GRN WIRE FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN HVAC/ ECAS FUSE I/P FUSE BLCK (ON LOWER LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE ORG/ WIRE ORN/ PPL PPL 3 2 1 RED WIRE RIDE HEIGHT SWITCH RIGHT REAR AIR SUSPENSION INLET VALVE LEFT REAR AIR SUSPENSION INLET VALVE RR AIR SUSP SEN SIG LR AIR SUSP SENS SIG RIDE HEIGHT SW SIG LO REF GROUND RUN WIRE UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENG COMPT, NEAR BATTERY) VSES/ ECAS FUSE WHT WIRE YEL WIRE YEL YEL WIRE

1 14 26 SUPPLY VOLTAGE SUPPLY VOLTAGE LOW REF BACK ONLY IND BACK ONLY INDICATOR BACK ONLY SELECT BACK, CUSHION SELECT BATT + BCK, CSH SELECT BLK WIRE BLU WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CONNECTOR DDM FUSE DK BLU WIRE DK GRN WIRE DK LT DK PNK WIRE DRIVER BACK HEATED SEAT ELEMENT DRIVER CUSHION HEATED SEAT ELEMENT DRIVER DOOR MODULE DRIVER MEMORY SEAT MODULE (BELOW LEFT FRONT SEAT) FRONT PASSENGER DOOR MODULE GRN WIRE GROUND GRY WIRE HEAT MODE SELECT HI HEAT IND HI HEAT INDICATOR HOT AT ALL TIMES I/P FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) I/P JUNCTION BLOCK I/P JUNCTION BLOCK (ON LOWER RIGHT SIDE OF DASH) I/P RELAY BLOCK (NEAR LEFT KICK PANEL) LOW HEAT IND LOW HEAT INDICATOR LT BLU WIRE LT DOORS CIRCUIT BREAKER LT GRN WIRE MED HEAT IND MED HEAT INDICATOR MEMORY/HEATED SEAT SWITCH ORG/ WIRE PASSENGER BACK HEATED SEAT ELEMENT PASSENGER CUSHION HEATED SEAT ELEMENT PDM FUSE PNK WIRE PNK/ DK WIRE PPL RED WIRE RED/WHT WIRE RT DOORS CIRCUIT BREAKER SEATS CIRCUIT BREAKER SERIAL DATA SWITCH POWER TAN WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

46 10 50 MIL ENGINE SPD VSS 7 63 FUEL LEVEL FUEL LEVEL ABS IND. AIR BAG IND BATTERY IND BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (TOP LEFT SIDE OF DASH, ABOVE FUSE BLOCK) BRAKE IND BRN/WHT WIRE CLASS 2 SERIAL DATA COMPUTER DATA LINES SYSTEM CRUISE CONTROL IND DATA DIMMING CTRL DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRIVER INFO CENTER ECT SENS ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMP ENGINE COOLANT TEMPERATURE SENSOR (REAR OF ENGINE BLOCK) ENGINE OIL PRESSURE ENGINE OIL PRESSURE SENSOR (LEFT REAR OF ENGINE) FUEL FUEL PUMP/ SENDER ASSEMBLY (IN FUEL TANK) GRY WIRE HIGH BEAM IND HOT AT ALL TIMES HOT IN RUN OR START I/P RELAY BLOCK (LEFT SIDE OF DASH, NEAR LEFT KICK PANEL) IGN E FUSE IGNITION IGNITION CLASS 2 SERIAL DATA INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (UNDER LEFT FRONT SEAT) INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL INSTRUMENT PANEL CLUSTER IPC/DIC FUSE LEFT TURN IND LOW FUEL IND LOW REF LT BLU WIRE LT GRN WIRE MALFUNCTION IND NCA WIRE OIL PRESS ORG/ WIRE ORG/BLK WIRE PARK BRAKE PARK BRAKE SWITCH PERSONAL- IZATION PNK WIRE PPL PPL FUEL LEVEL RADIO RED WIRE RIGHT TURN IND SEAT BELT IND SEAT BELT SWITCH (RIGHT SIDE OF DRIVER'S SEAT) SECURITY IND SELECT SWITCH SELT SW SERIAL DATA SPEEDOMETER TACHOMETER TAN/WHT WIRE TOW/HAUL IND TRACTION CONTROL IND TRANSMISSION FLUID TEMP TRIP INFO FUEL INFO TRIP ODOMETER UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMP, NEAR BATTERY) UPPER LEFT STEERING WHEEL CONTROL SWITCH ASSEMBLY UPPER RIGHT STEERING WHEEL CONTROL SWITCH ASSEMBLY VOLTS VSS WASHER FLUID LEVEL SENSOR (IN WASHER FLUID CONTAINER) WHT WIRE YEL WIRE

2 4 1240 1050 BATTERY GROUND 22 14 1046 4140 CLASS 2 SERIAL DATA BATTERY 22 14 1047 4240 CLASS 2 SERIAL DATA BATTERY 3 2 1 4 PPL LOW REF VERT POS SIG 5 VOLT REF HORIZ POS SIG 5 4 3 VERT POS SIG 5 VOLT REF HORIZ POS SIG 8 6 1 MIR MTR RT CTRL MIR MTR RETRACT CTRL MIR MTR EXTEND CTRL 9 7 MIR MTR DWN CTRL MIR MTR COMMON BATTERY BLK WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DDM FUSE DEFOGGER SYSTEM DK BLU WIRE DK GRN WIRE DOWN DRIVER DOOR MODULE (DDM) (BEHIND DRIVER'S DOOR PANEL) DRIVER OUTSIDE REARVIEW MIRROR EXIT EXTEND FRONT PASSENGER OUTSIDE REARVIEW MIRROR GROUND 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 (NEAR LEFT KICK PANEL) LEFT LEFT SELECT LT BLU WIRE LT DOORS CIRCUIT BREAKER LT GRN WIRE MEM 1 MEM 2 MEM 2 SW SIG MEM 1 SW SIG BATT (+) MEMORY/ HEATED SEAT SWITCH MIRROR CONTROL SWITCH ORG/ WIRE PASSENGER DOOR MODULE (PDM) (IN PASSENGER DOOR) PDM FUSE PNK WIRE PPL PPL LOW REF PPL/WHT WIRE RED WIRE RED/WHT WIRE RETRACT RIGHT RIGHT SELECT RT DOOR CIRCUIT BREAKER SWITCH PWR TAN WIRE WHT WIRE YEL WIRE

ANTENNA BLK/WHT WIRE COAX NAVI ANTENNA COMPUTER DATA LINES SYSTEM DK GRN/WHT WIRE ENGINE CONTROLS SYSTEM HOT AT ALL TIMES I/P RELAY BLOCK (NEAR LEFT KICK PANEL) ORG/ WIRE RADIO RADIO FUSE SERIAL DATA B+ GROUND UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPARTMENT) VEH SPEED SEN

10 12 PNK WIRE 5 16 MIR SIGNAL LOW REF PNK WIRE 8 7 PNK WIRE AIR TEMP SENSOR AMB AIR TEMP DISPLAY AMBIENT LIGHT SENSOR BACK UP LAMP VOLTAGE OUTPUT BACK UP VOLTAGE BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (ON TOP LEFT SIDE OF DASH) BRN WIRE COMPASS DISPLAY COMPUTER DATA LINES SYSTEM DK GRN/WHT WIRE DRIVER DOOR MODULE (IN DRIVER'S DOOR) DRIVER OUTSIDE REARVIEW MIRROR ELECTRO- CHROMIC ELECTROCHROMIC MIRROR GROUND GRY WIRE HOT IN RUN HVAC 1 FUSE I/P FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) I/P RELAY BLOCK (UNDER LEFT SIDE OF DASH, NEAR KICK PANEL) IGN 1 INSIDE REARVIEW MIRROR LEFT I/P FUSE BLOCK (BEHIND LOWER LEFT SIDE OF DASH) LOW REF LT GRN WIRE PNK WIRE REAR LIGHT SENSOR SERIAL DATA YEL WIRE