Hummer H2 I (2002-2007) serial data Wiring diagrams

ABS FUSE FUSE ABS IND. BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (ON TOP LEFT SIDE OF DASH, ABOVE I/P FUSE BLOCK) BRAKE FLUID LEVEL SWITCH (ON LEFT SIDE OF BRAKE FLUID RESERVOIR) BRAKE IND BRN WIRE BRN/WHT WIRE DATA LINK CONNECTOR (DLC) (UNDER LEFT SIDE OF DASH, BELOW STEERING COLUMN) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ELECTRONIC BRAKE CONTROL MODULE (EBCM) ETC/ECM FUSE GRY WIRE HOT AT ALL TIMES HOT IGNITION 1 RELAY ENERGIZED HOT IN RUN OR START I/P FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) STOP FUSE IGN 1 IGN E FUSE ILLUM INSTRUMENT PANEL CLUSTER LF WHL SPD LF WHL SPD LR WHL SPD LR WHL SPD LNG RATE LO REF LONGITUDINAL ACCELEROMETER (BEHIND CENTER OF DASH) LT BLU WIRE LT GRN WIRE ORG/ WIRE PARK BRAKE PARK BRAKE SWITCH PNK PNK WIRE PNK WIRE PPL PPL/WHT WIRE RED WIRE RF WHL SPD RF WHL SPD STOP LP SW RIGHT FRONT WHEEL SPEED SENSOR (ON RIGHT FRONT WHEEL HUB ASSEMBLY) RIGHT REAR WHEEL SPEED SENSOR (ON RIGHT REAR WHEEL HUB ASSEMBLY) SERIAL DATA SPLICE PACK STOP LP FUSE STOP- LAMP SWITCH (ON TOP OF BRAKE PEDAL BRACKET) TAN WIRE TRACTION CONTROL IND TRACTION CONTROL OFF IND TRACTION CONTROL SWITCH TRANSFER CASE SHIFT CONTROL MODULE UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENG COMPT, NEAR BATTERY) WHT WIRE YEL WIRE

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

12 7 MIDGATE AJAR SIG AJAR INPUT 3 15 18 22 DOOR SW LO REF KEY SW SIG DOOR AJAR SW SIG SERIAL DATA 5 20 22 24 DOOR AJAR SW SIG DOOR SW LO REF SERIAL DATA KEY SW SIG AJAR AJAR SWITCH BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE BRN WIRE DK BLU WIRE DK GRN WIRE DRIVER DOOR LATCH ASSEMBLY DRIVER DOOR MODULE (INSIDE DRIVER DOOR) EXCEPT SUT GATE AJAR SW GROUND GRY WIRE GRY/BLK WIRE HEADLIGHTS CTRL BATTERY EX LIGHTS CTRL GROUND HORN RLY CTRL SERIAL DATA HEADLIGHTS SYSTEM HORNS SYSTEM 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, NEAR LEFT KICK PANEL) INSTRUMENT PANEL CLUSTER KEY SWITCH LEFT LIFTGATE AJAR SWITCH LEFT MIDGATE LATCH LEFT REAR DOOR LATCH ASSEMBLY LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MIDGATE CONTROL MODULE (MCM) (CENTER OF MIDGATE ASSEMBLY) ORG/ WIRE PASSENGER DOOR LATCH ASSEMBLY PASSENGER DOOR MODULE (INSIDE FRONT PASSENGER DOOR) PNK/BLK WIRE PNK/WHT WIRE RIGHT LIFTGATE AJAR SWITCH RIGHT MIDGATE LATCH RIGHT REAR DOOR LATCH ASSEMBLY RR DOOR AJAR SW LR DOOR AJAR SW SECURITY INDICATOR SERIAL DATA SPLICE PACK SUT TAN WIRE TBC BATT FUSE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) WHT 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

BATTERY GROUND LOW REF SERIAL DATA BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (ON TOP LEFT SIDE OF DASH, ABOVE I/P FUSE BLOCK) DATA LINK CONNECTOR (BELOW STEERING COLUMN) PPL DK BLU/WHT WIRE DK GRN WIRE FUEL INJECTOR 1 FUEL INJECTOR 2 FUEL INJECTOR 3 FUEL INJECTOR 4 FUEL INJECTOR 5 FUEL INJECTOR 6 FUEL INJECTOR 7 FUEL INJECTOR 8 GRY WIRE HOT AT ALL TIMES HOT IN RUN, START I/P RELAY BLOCK (LEFT SIDE OF DASH, NEAR LEFT KICK PANEL) INSTRUMENT PANEL CLUSTER KEY LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MAGNET LOCK CYLINDER ORG/ WIRE ORG/BLK WIRE PASSLOCK SENSOR (INTERNAL TO STEERING COLUMN) PNK IGN 1 VOLT WIRE PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (IN LEFT FRONT OF ENGINE COMPARTMENT) PPL RED/BLK WIRE RED/WHT WIRE SEC SENS SIG SERIAL DATA GROUND SECURITY INDICATOR SECURITY SENSOR SERIAL DATA SPLICE TAMPER SENSOR TBC BATT FUSE TBC IGN 1 FUSE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) WHT WIRE YEL WIRE YEL/BLK WIRE

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

2061 2062 VOICE LOW REF CELL VOICE SIG 2062 2061 1792 1 2 8 CELL VOICE SIG VOICE LOW REF DRAIN WIRE 368 367 372 RT AUD SIG+ LT AUD SIG+ AUDIO COMMON 511 1947 1946 546 1851 LF AUD SIG+ LF AUD SIG- RR AUD SIG- RR AUD SIG+ GROUND 599 1547 1546 512 LR AUD SIG + LR AUD SIG - RF AUD SIG - RF AUD SIG + AMP SENS SIG ANTENNA BARE BARE DRAIN WIRE BLK WIRE BLK/WHT WIRE BLUNT CUT) BODY CONTROL MODULE (TOP LEFT SIDE OF DASH) BRN WIRE BRN/WHT WIRE COAX COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE ENGINE CONTROLS SYSTEM SATELLITE RADIO CIRCUIT GRN WIRE GROUND GRY/BLK WIRE HOT AT ALL TIMES INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL LR AUD SIG+ LT BLU WIRE LT GRN WIRE ORG/ WIRE ORG/BLK WIRE PNK WIRE PNK/BLK WIRE PPL PPL RSA ENBL SIG PROG VOICE RADIO RADIO FUSE REAR SEAT AUDIO (RSA) CONTROLLER (REAR OF CENTER CONSOLE) REMOTE RADIO CONTROL SIGNAL REMOTE RADIO CONTROL SUPPLY VOLTAGE RR AUD SIG+ SEEK UP SEEK DN SERIAL DATA SHIELD SOURCE DN SOURCE UP STEERING WHEEL) TAN WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPARTMENT) UPPER LEFT SWITCH UPPER RIGHT SWITCH VEH SPEED SIG VEHICLE COMMUNICATION INTERFACE MODULE (BELOW HVAC CONTROL MODULE) VOL UP VOL DN WHT WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 BARE DRAIN WIRE LT AUD SIG RT AUD SIG ANTENNA ANTENNA SIG BARE BATTERY BLK WIRE BLK/WHT WIRE BLUNT CUT) BRN/WHT WIRE COAX COMPUTER DATA LINES SYSTEM DIGITAL RADIO RECEIVER DK GRN/WHT WIRE GROUND AUD COMMON HOT AT ALL TIMES I/P RELAY BLOCK (NEAR LEFT KICK PANEL) LT AUD SIG RT AUD SIG AUDIO COMMON LT GRN WIRE ORG/ WIRE RADIO RADIO FUSE SERIAL DATA UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPARTMENT) WHT WIRE