Hummer H3 I (2005-2010) inflatable restraint sensing, diagnostic module (sdm) (beneath lower console) Wiring diagrams

15 16 PPL PPL CLASS 2 SERIAL DATA CLASS 2 SERIAL DATA 53 33 HI SPD SERIAL DATA BUS + HI SPD SERIAL DATA BUS - A/T AUX PWR 1 FUSE 51 BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND RIGHT FRONT KICK PANEL) CIGAR LIGHTER DATA LINK CONNECTOR (DLC) (LEFT SIDE OF DASH) DATA LINK RESISTOR DIGITAL RADIO RECEIVER (RIGHT SIDE OF DASH) ELECTRONIC BRAKE CONTROL MODULE (EBCM) (LEFT OF MASTER CYLINDER) ENGINE CONTROL MODULE (ECM) (RIGHT REAR CORNER OF ENGINE COMPT) GENERATOR BATTERY CONTROL MODULE (LEFT FRONT OF ENGINE COMPT, NEAR BATTERY) HOT AT ALL TIMES INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (SDM) (BENEATH LOWER CONSOLE) INSTRUMENT PANEL CLUSTER (IPC) M/T ORG/ WIRE PPL PPL CLASS 2 SERIAL DATA PPL PPL 11 10 CLASS 2 SERIAL DATA CLASS 2 SERIAL DATA PPL PPL 1807 1807 CLASS 2 SERIAL DATA CLASS 2 SERIAL DATA RADIO TAN WIRE TAN/WHT WIRE THEFT DETERRENT MODULE (TDM) TRANSFER CASE SHIFT CONTROL MODULE (BEHIND GLOVE BOX) TRANSMISSION CONTROL MODULE (TCM) UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEELWELL)

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

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

ACCESSORY SWITCH PASSENGER SEAT BELT IND BATT IGN SWITCH FUSE 5 BCM FUSE 14 BLK WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (BCM) (BEHIND RIGHT FRONT KICK PANEL) BRAKE IND BRN/WHT WIRE CHIME CLASS 2 SERIAL DATA COMPUTER DATA LINES SYSTEM DK BLU WIRE DRIVER INFORMATION CENTER (DIC) DRIVER SEAT BELT BUCKLE DRIVER SEAT BELT SWITCH GRY WIRE GRY/BLK WIRE HEADLAMP SWITCH HOT AT ALL TIMES HOT AT ALL TIMES UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEELWELL) IGNITION SWITCH INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (SDM) (BENEATH LOWER CONSOLE) INSTRUMENT PANEL CLUSTER (IPC) KEY-IN SWITCH LEFT TURN IND LOGIC LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE OFF AUTO ORG/ WIRE PARK PARK BRAKE SWITCH (LEFT LOWER SIDE OF DASH) PASSENGER DOOR AJAR SWITCH PASSENGER SEAT BELT SWITCH PASSENGER SEAT BELT BUCKLE PILLAR) PILLAR) PPL RED WIRE RIGHT REAR DOOR AJAR SWITCH (IN LOWER RIGHT "C" PILLAR) RIGHT TURN IND SEAT BELT IND SEAT BELT IND CTRL TIRE PRESSURE IND WHT WIRE YEL WIRE