GMC Sierra III (2013-2015) lo spd gmlan serial data Wiring diagrams

ACCELERATOR PEDAL POSITION (APP) SENSOR (ABOVE ACCELERATOR PEDAL) BLK WIRE BLK/DK BLU WIRE BLK/VIO WIRE BRN/GRN WIRE BRN/RED WIRE BRN/YEL WIRE CANCEL SWITCH COMPUTER DATA LINES SYSTEM CRUISE IND CRUISE SWITCH DISPLAY DK BLU WIRE GAP SWITCH GRN WIRE GRY/GRN WIRE GRY/ORG WIRE INSTRUMENT CLUSTER LEFT STEERING WHEEL CONTROLS SWITCH LO SPD GMLAN SERIAL DATA LOGIC LT GRN WIRE LT GRN/WHT WIRE RED WIRE RES+ SET- STEERING WHEEL AIR BAG COIL TRANSMISSION INPUT SHAFT SPEED SENSOR TRANSMISSION OUTPUT SHAFT SPEED SENSOR WHT WIRE WHT/RED WIRE YEL/WHT WIRE

4 2 1 ACTR SPLY VOLT ACTR TRANSMIT SIG ACTR RTN ACTR RECEIVE SIG AJAR SW SIG ANTENNA BLK WIRE BRN/GRN WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DISPLAY DK BLU/WHT WIRE DOOR AJAR IND EXCEPT REGULAR CAB GRY WIRE GRY/WHT WIRE INSTRUMENT CLUSTER LEFT REAR DOOR LATCH ASSEMBLY (CREW CAB: REAR OF LEFT REAR DOOR) LEFT REAR WINDOW SWITCH LIN BUS 4 LO SPD GMLAN SERIAL DATA LOGIC LOGIC REMOTE CONTROL DOOR LOCK RECEIVER LR DR LT GRN WIRE LT GRN/GRY WIRE SECURITY IND W/ POWER OPERATED WINDOW W/O POWER OPERATED WINDOW WHT/BLU WIRE YEL/LT GRN WIRE

1 2 3 IGN 1 VOLT ALERT LED CTRL DIMMING CTRL ALERT LED CTRL GMLAN SERIAL DATA BATT POS VOLT BLK WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) COLLISION ALERT INDICATORS COMPUTER DATA LINES SYSTEM DK BLU WIRE FRONTVIEW CAMERA MODULE (BEHIND INSIDE REARVIEW MIRROR) FUSE BLOCK (LOWER LEFT SIDE OF DASH) GAP UP/DOWN SWITCH GROUND GRY/GRN WIRE GRY/ORG WIRE GRY/WHT WIRE GRY/YEL WIRE HI SPD GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IND DIMMING CTRL INSTRUMENT PANEL JUNCTION BLOCK INSTRUMENT PANEL MULTI- FUNCTION SWITCH IPC IGN/SDM IGN FUSE LANE DEPARTURE WARNING DISABLE SW SIG LANE DEPARTURE WARNING DISABLE SWITCH LANE DEPARTURE WARNING IND LANE DEPARTURE WARNING IND CTRL LEFT STEERING WHEEL CONTROLS SWITCH LO SPD GMLAN SERIAL DATA LOGIC INSTRUMENT CLUSTER LT GRN WIRE RED/LT GRN WIRE REFLECTED LED DISPLAY DIMMING CTRL RIGHT INSTRUMENT PANEL FUSE BLOCK (IN RIGHT END OF DASH) STEERING WHEEL AIR BAG COIL UP/DOWN SW SIG USB/OBS DET FUSE VIO/BLK WIRE VOLT REF WHT WIRE WHT/LT GRN WIRE

24 25 GMLAN SERIAL DATA (-) GMLAN SERIAL DATA (+) 2500 2501 COMPUTER DATA LINES SYSTEM 3 2 1 IMMOBILIZER SPLY VOLT LIN BUS 11 IMMOBILIZER RETURN ANTENNA BATT POSITIVE VOLT BCM 3 FUSE BLK WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN/GRN WIRE COMPUTER DATA LINES SYSTEM DISPLAY DK BLU WIRE GRN/GRY WIRE GRN/VIO WIRE GRY/BLK WIRE HOOD AJAR SW SIG HOT AT ALL TIMES INSTRUMENT PANEL LEFT FUSE BLOCK (LOWER LEFT SIDE OF DASH) IMMOBILIZER CONTROL MODULE (NEAR IGNITION CYLINDER) INSTRUMENT CLUSTER LIN BUS 11 LO SPD GMLAN SERIAL DATA LOGIC LT GRN WIRE RED/GRY WIRE RETURN SECURITY LOGIC INDICATOR SPLY VOLT WHT WIRE

4 2 1 ACTR SPLY VOLT ACTR TRANSMIT SIG ACTR RTN ACTR RECEIVE SIG AJAR SW SIG ANTENNA BLK WIRE BRN/GRN WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DISPLAY DK BLU/WHT WIRE DOOR AJAR IND EXCEPT REGULAR CAB GRY WIRE GRY/WHT WIRE INSTRUMENT CLUSTER LEFT REAR DOOR LATCH ASSEMBLY (CREW CAB: REAR OF LEFT REAR DOOR) LEFT REAR WINDOW SWITCH LIN BUS 4 LO SPD GMLAN SERIAL DATA LOGIC LOGIC REMOTE CONTROL DOOR LOCK RECEIVER LR DR LT GRN WIRE LT GRN/GRY WIRE SECURITY IND W/ POWER OPERATED WINDOW W/O POWER OPERATED WINDOW WHT/BLU WIRE YEL/LT GRN WIRE

AIR BAG IND AIR BAG OFF IND AIR BAG ON IND BLK WIRE BLK/WHT WIRE BRN WIRE BRN/ORG WIRE COMPUTER DATA LINES SYSTEM DISPLAY DK BLU WIRE DK BLU/ORG WIRE DK BLU/YEL WIRE GRY WIRE GRY/ORG WIRE HI SPD GMLAN INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (UNDER DRIVER'S SEAT) INSTRUMENT CLUSTER INSTRUMENT PANEL JUNCTION BLOCK LO SPD GMLAN SERIAL DATA LOGIC LT GRN WIRE ORG/ WIRE ORG/LT GRN WIRE ORG/VIO WIRE ORG/WHT WIRE PASS AIR BAG OFF IND PASS MOD SW SIG PASS MOD SW RETRN LOW SPD GMLAN SERIAL DATA PASS SEAT BELT IND PASS AIR BAG ON IND PASSENGER AIR BAG DISABLE INDICATOR PASSENGER INSTRUMENT PANEL AIR BAG PNK WIRE PPL RED/LT GRN WIRE ROLLOVER PROTECTION DISABLE SWITCH SD COMM ENABLE SD COMM ENABLE HI SPD GMLAN (+) GND SEAT BELT IND SEAT BELT ON IND SHORTING BAR STEERING WHEEL AIR BAG STEERING WHEEL AIR BAG COIL TAN WIRE VIO/ORG WIRE VIO/WHT WIRE WHT WIRE WHT/DK BLU WIRE WHT/ORG WIRE YEL WIRE YEL/ORG 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

1 2 3 4 5 6 7 8 9 10 11 12 13 14 B+ B+ LOW REF LO SPD DATA BLK WIRE BLK/WHT WIRE BRAKE PEDAL ASSEMBLY) CHIME MODULE (CENTER OF DASH, BEHIND RADIO) COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM CONNECTOR BREAKOUT) (W/ LUXURY EDITION) DK BLU WIRE DK GRN WIRE DLIS FUSE 35 FUSE 32 DRIVER INFORMATION CENTER (DIC) DISPLAY DRIVER SEAT BELT BUCKLE DRIVER SEAT BELT SWITCH EXCEPT 6.6L 6.6L HOT AT ALL TIMES IGNITION SWITCH INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (SDM) (UNDER DRIVER'S SEAT) INSTRUMENT PANEL CLUSTER (IPC) LOW OIL IND IPC FUSE 46 FUSE 43 KEY-IN IGNITION SWITCH LEFT I/P JUNCTION BLOCK (LOWER LEFT LEFT SEAT BELT SW LO SPD GMLAN SERIAL DATA LOGIC LOW REF LT BLU WIRE NCA WIRE OFF PARK BRAKE SWITCH (ON PARK PNK SUPPLEMENTAL RESTRAINTS SYSTEM WIRE PNK WIRE PNK/BLK WIRE POWER DISTRIBUTION SYSTEM PPL RADIO RDO FUSE 42 FUSE 39 RED/WHT WIRE RUN WIRE SEAT BRAKE BELT IND IND SERIAL DATA SIDE OF DASH) SOUND SYSTEMS SYSTEM TAN WIRE TAN/WHT WIRE TIRE PRESSURE IND UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) W/ RADIO PROVISIONS W/ UYS W/O UYS W/O LUXURY EDITION W/O RADIO PROVISIONS WHT WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 B+ 1 8 B+ LOW REF LO SPD DATA BLK WIRE BLK/WHT WIRE BRAKE FLUID LEVEL SWITCH (ON BRAKE MASTER CYLINDER RESERVOIR) CHIME MODULE (CENTER OF DASH, BEHIND RADIO) COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DLIS FUSE 35 FUSE 32 DRIVER INFORMATION CENTER (DIC) DISPLAY DRIVER SEAT BELT BUCKLE DRIVER SEAT BELT SWITCH EXCEPT 6.6L 6.6L HOT AT ALL TIMES IGNITION SWITCH INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (SDM) (UNDER DRIVER'S SEAT) INSTRUMENT PANEL CLUSTER (IPC) LOW OIL IND IPC FUSE 46 FUSE 43 KEY-IN IGNITION SWITCH LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LEFT SEAT BELT SW LO SPD GMLAN SERIAL DATA LOGIC LOW REF LT BLU WIRE NCA WIRE OFF PARK BRAKE SWITCH (ON PARK BRAKE PEDAL ASSEMBLY) PNK WIRE PNK/BLK WIRE POWER DISTRIBUTION SYSTEM PPL RADIO RDO FUSE 42 FUSE 39 RED/WHT WIRE RUN WIRE SEAT BRAKE BELT IND IND SERIAL DATA SOUND SYSTEMS SUPPLEMENTAL RESTRAINTS SYSTEM TAN WIRE TAN/WHT WIRE TIRE PRESSURE IND UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) W/ RADIO PROVISIONS W/ UYS W/O UYS W/O LUXURY EDITION W/O RADIO PROVISIONS WHT WIRE