GMC Sierra III (2013-2015) electronic brake control module (on left side of frame assembly) Wiring diagrams

ABS PUMP FUSE ABS VLV FUSE BLK WIRE BLK/YEL WIRE BRAKE PRESSURE MODULATOR BRAKE VACUUM SNSR LOW REF BATT POSITIVE VOLT CMBD VHCE IN SNSR SPLY VOLT BRAKE FLUID LEVEL SNSR SIGL COMPUTER DATA LINES SYSTEM COMPUTER DATALINES SYSTEM DK BLU WIRE DK BLU/YEL WIRE ELECTRONIC BRAKE CONTROL MODULE (ON LEFT SIDE OF FRAME ASSEMBLY) GMLAN GMLAN SERIAL DATA (-) (1) GMLAN SERIAL DATA (+) (1) GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES INSTRUMENT PANEL JUNCTION BLOCK LEFT FRONT WHEEL SPEED SENSOR (ON LEFT FRONT STEERING KNUCKLE) LEFT REAR WHEEL SPEED SENSOR (ON LEFT REAR BRAKE BACKING PLATE) LT GRN/BRN WIRE LT GRN/GRY WIRE NCA WIRE RED/VIO WIRE RED/YEL WIRE SENS SPLY VOLT SERIAL DATA COMM ENABLE LF RR WHL SPD SNSR SPLY VOLT LF REAR WHEEL SPD SNSR SIG STEERING ANGLE SENSOR (ON STEERING COLUMN) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VIO WIRE WHT WIRE WHT/DK BLU WIRE YEL WIRE YEL/RED WIRE YEL/VIO WIRE

12 10 HI SPD GMLAN SER DATA (-) 1 HI SPD GMLAN SER DATA (+) 1 22 14 TRAILER BRAKE ENABLE SIGNAL ACC WAKEUP SER DATA 26 29 6 18 HI SPD GMLAN SER DATA (+) 1 HI SPD GMLAN SER DATA (-) 1 27 28 5 17 HI SPD GMLAN SER DATA (+) 1 HI SPD GMLAN SER DATA (-) 1 3 4 HI SPD GMLAN SER DATA (+) 1 HI SPD GMLAN SER DATA (-) 1 CHASSIS CONTROL MODULE CONTROL SOLENOID VALVE ASSEMBLY AUTOMATIC TRANSMISSION ASSEMBLY DK BLU WIRE DK BLU/BLK WIRE DK BLU/YEL WIRE ELECTRONIC BRAKE CONTROL MODULE (ON LEFT SIDE OF FRAME ASSEMBLY) ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) FRONTVIEW CAMERA MODULE (BEHIND INSIDE REARVIEW MIRROR) FUEL PUMP DRIVER CONTROL MODULE (MOUNTED TO BRACKET ABOVE SPARE TIRE) HIGH SPEED BUS TERMINATING LO SPD GMLAN SER DATA LT GRN WIRE RESISTOR SER DATA COMM ENABLE TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE TRAILER BRAKE ENABLE SIGNAL TRAILER BRAKE POWER CONTROL MODULE (MOUNTED TO BRACKET ABOVE SPARE TIRE) VIO/YEL WIRE W/O EXTENDED FUEL ECONOMY W/ EXTENDED FUEL ECONOMY WHT WIRE WHT/DK BLU WIRE YEL/BLK WIRE

1 2 3 4 5 6 7 8 9 10 5-VOLT REF SDA 1 2 3 4 5 6 DATA (-) DATA (-) DATA (+) DATA (+) VOLT GND 1 2 BATTERY POSITIVE VOLT GND 3 2 1 4 9 6 5 5-VOLT REF SDA 9 8 17 DATA + DATA - SPLY VOLT BATTERY FUSE BLOCK (ENGINE COMPT, TOP RIGHT) BLK WIRE BLK/GRN WIRE BLK/ORG WIRE BLU/GRN WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DISPLAY DK BLU WIRE DK BLU/YEL WIRE ELECTRONIC BRAKE CONTROL MODULE (ON LEFT SIDE OF FRAME ASSEMBLY) FUSE GRN WIRE GRN/BLU WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER LOGIC LOW REF TOR IN 1 SCL LT GRN WIRE LT GRN/BRN WIRE POWER STEERING CONTROL MODULE (ON POWER STEERING RACK ASSEMBLY) POWER STEERING MOTOR POWER STEERING SHAFT TORQUE/ POSITION SENSOR RED WIRE RED/VIO WIRE STEERING ANGLE SENSOR (ON STEERING COLUMN) TAN WIRE TOR IN 2 VIO WIRE WHT WIRE WHT/BRN WIRE YEL/BLU WIRE

18 20 GMLAN SER DATA (+) GMLAN SER DATA (-) BCM 3 FUSE BLK WIRE BLK/ORG WIRE BRAKE FLUID LEVEL SWITCH (ON BRAKE MASTER CYLINDER RESERVOIR) BRAKE IND BREAKOUT) BRK FLUID LVL COMPUTER DATA LINES SYSTEM DISPLAY DK BLU WIRE DK BLU/YEL WIRE DLIS FUSE DRIVER SEAT BELT SWITCH DRIVER SEAT BELT BUCKLE DRIVER SEAT POSITION SENSOR ELECTRONIC BRAKE CONTROL MODULE (ON LEFT SIDE OF FRAME ASSEMBLY) HI SPD GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGNITION SWITCH INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (UNDER DRIVER'S SEAT) INSTRUMENT CLUSTER INSTRUMENT PANEL JUNCTION BLOCK IPC IGN/SDM IGN FUSE KEY-IN IGNITION SWITCH LEFT INSTRUMENT PANEL FUSE BLOCK (LOWER LEFT LO SPD GMLAN SERIAL DATA LOGIC LOW TIRE PRESSURE IND LT GRN WIRE LT GRN/GRY WIRE NCA WIRE OFF ORG/BLU WIRE ORG/BRN WIRE ORG/GRN WIRE ORG/VIO WIRE PASS SEAT BELT IND PASSENGER AIR BAG DISABLE INDICATOR PASSENGER SEAT BELT SWITCH PASSENGER SEAT BELT BUCKLE PASSENGER SEAT POSITION SENSOR RED/BLU WIRE RED/GRY WIRE RUN WIRE RUN/CRANK SEAT BELT IND SEAT BELT ON IND SIDE OF DASH) VIO/BLK WIRE VIO/WHT WIRE WHT WIRE WHT/VIO WIRE