Hummer H3 I (2005-2010) electronic brake control module (ebcm) (left of master cylinder) Wiring diagrams

-MTR FUSE 67 -SOL FUSE 64 1764 1763 STEERING SIG B STEERING SIG A 1765 463 464 716 STEERING POS SIG REQ TORQ SIG DLVRD TORQ SIG CAN H 2340 850 BATT + GRD 39 40 1059 1835 STEERING POS SIG 833 830 883 884 RF SPD LOW REF LF SPD SIG RR SPD LOW REF LR SPD SIG ABS/VSES FUSE 29 BKUP VOLT BLK WIRE BLU WIRE BRAKE FLUID LEVEL SWITCH (ON LEFT SIDE OF BRAKE FLUID RESERVOIR) BRAKE PRESSURE MODULATOR VALVE (BPMV) BRN WIRE CAN L DK BLU WIRE DK GRN WIRE ELECTRONIC BRAKE CONTROL MODULE (EBCM) (LEFT OF MASTER CYLINDER) GRY WIRE HOT AT ALL TIMES HOT W/ RUN/CRNK RELAY ENERGIZED LEFT FRONT WHEEL SPEED SENSOR (WSS) (ATTACHED TO LEFT FRONT WHEEL HUB) LEFT REAR WHEEL SPEED SENSOR (WSS) (ATTACHED TO LEFT SIDE OF REAR AXLE) LOW REF LT BLU WIRE LT GRN WIRE ORG/ WIRE ORG/BLK WIRE PNK 1439 540 IGN 1 VOLT BATT + WIRE PNK BRK FLD SIG WIRE PNK WIRE PPL PPL SERIAL CLASS 2 STOP LP VOLT IGN 3 VOLT RED WIRE RIGHT FRONT WHEEL SPEED SENSOR (WSS) (ATTACHED TO RIGHT FRONT WHEEL HUB) RIGHT REAR WHEEL SPEED SENSOR (WSS) (ATTACHED TO RIGHT SIDE OF REAR AXLE) STOP FUSE 54 STOP LAMP SWITCH (ABOVE BRAKE PEDAL ASSEMBLY) TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEELWELL) WHT WIRE YEL WIRE

A/T BACKUP LAMP SWITCH (ON TOP OF TRANSMISSION) BCK/UP FUSE 28 BKUP BLK WIRE BRN WIRE ELECTRONIC BRAKE CONTROL MODULE (EBCM) (LEFT OF MASTER CYLINDER) HOT AT ALL TIMES HOT IN RUN OR START INSIDE REARVIEW MIRROR LEFT BACKUP LAMP LEFT TAIL/ STOP/ TURN SIGNAL LAMP LT GRN WIRE NCA WIRE PARK/NEUTRAL POSITION (PNP) SWITCH (LEFT SIDE OF AUTOMATIC TRANSMISSION) PNK M/T WIRE PNK WIRE RIGHT BACKUP LAMP RIGHT TAIL/ STOP/ TURN SIGNAL LAMP RUN/ CRANK RELAY 78 UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEELWELL)

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)

BLK WIRE BLU WIRE BLUNT CUT) BRN WIRE DK BLU WIRE DK GRN WIRE ELECTRONIC BRAKE CONTROL MODULE (EBCM) (LEFT OF MASTER CYLINDER) ENGINE CONTROL MODULE (ECM) (RIGHT REAR CORNER OF ENGINE COMPT) FROM FRT/PRK FUSE 43 (DIAGRAM GRN WIRE LEFT TAIL/ STOP/ TURN SIGNAL LAMP LEFT TURN IND LICENSE LAMP LOGIC INSTRUMENT PANEL CLUSTER (IPC) LR PRK FUSE 37 LT BLU WIRE RED WIRE RIGHT TAIL/ STOP/ TURN SIGNAL LAMP RIGHT TURN IND ROOF MARKER LAMPS (W/ ROOF MOUNTED MARKER LAMP) RR PRK FUSE 49 STP LMP VOLT TRLR FUSE 55 UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEELWELL) W/ TRAILER CONNECTOR W/O TRAILER CONNECTOR WHT WIRE YEL WIRE

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