GMC Sierra III (2013-2015) org/ Wiring diagrams

12 VOLT REF 12-VOLT REF RF WHEEL SPD SENS SIG GROUND ABS INDICATOR ABS-1 FUSE 61 (GAS) FUSE 56 (DIESEL) BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BRAKE FLUID LEVEL SWITCH (ON BRAKE MASTER CYLINDER RESERVOIR) BRAKE PRESSURE MODULATOR VALVE BRAKE WARNING INDICATOR COMPUTER DATA LINES SYSTEM DATA BUS - DIESEL DIESEL GAS DK GRN WIRE DK GRN/WHT WIRE DRIVER INFORMATION CENTER DISPLAY ELECTRONIC BRAKE CONTROL MODULE (EBCM) (ON LEFT SIDE OF FRAME ASSEMBLY) ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT) EXCEPT LUXURY GAS GRY WIRE GRY/WHT WIRE HEAVY DUTY ABS FUSE 59 (GAS) FUSE 55 (DIESEL) HOT AT ALL TIMES HOT AT ALL TIMES UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) INSTRUMENT PANEL CLUSTER (IPC) IPC FUSE 43 (DIESEL) FUSE 46 (GAS) LEFT FRONT WHEEL SPEED SENSOR (WSS) (ON LEFT FRONT STEERING KNUCKLE) LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LOGIC LT BLU WIRE LUXURY NCA WIRE NEAR FAN SHROUD) ORG/ WIRE ORG/WHT WIRE PARK BRAKE SW SIG POWER DISTRIBUTION SYSTEM PPL PPL BRAKE SW SIG RED/BLK WIRE RED/WHT WIRE RIGHT FRONT WHEEL SPEED SENSOR (WSS) (ON RIGHT FRONT STEERING KNUCKLE) SERIAL DATA SIG TAN WIRE TAN/BLK WIRE TRACTION CONTROL INDICATOR VEHICLE SPD SIG VEHICLE SPD SIG RADIO YEL WIRE YEL/BLK WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 AIR TMP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 B(+) A/C ON AIR TEMP RF SUNLD AMB AIR TMP GMLAN L AMBIENT AIR TEMPERATURE SENSOR (ON LEFT SIDE OF RADIATOR SUPPORT) AMBIENT LIGHT/SUNLOAD SENSOR ASSEMBLY (TOP CENTER OF DASH) AUTO BATT POS VOLT BLK WIRE BLK/WHT WIRE BREAKOUT) BRN WIRE COLNT LVL GROUND LOW REF COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE ENGINE COOLANT LEVEL SWITCH (6.6L) (ON BOTTOM OF SURGE TANK) EVAPORATOR TEMPERATURE SENSOR (ON HVAC ASSEMBLY) FAN DN FAN UP FRESH AIR FRNT DFG FRT DEF A/C IND FSH AIR GROUND GROUND DISTRIBUTION SYSTEM GROUND IGN 3 REAR DEFOG GRY WIRE GRY/BLK WIRE HVAC CONTROL MODULE INSTRUMENT PANEL CLUSTER (IPC) DRIVER INFORMATION CENTER (DIC) DISPLAY LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LEFT SUNLOAD SENSOR LEFT TEMP CONTROL LF SUNLD L AIR TMP R AIR TMP LOGIC LOW REF LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MODE DN MODE UP MTR SPD CTRL OFF ORG/ WIRE POWER DISTRIBUTION SYSTEM DEFOGGER SYSTEM PPL PPL/WHT WIRE R AIR TMP AIR TMP R AIR TMP TEMP SENS MODE CTRL L AIR TMP RECIR CTRL R AIR TMP REAR DFG RECIR RECIRC RED WIRE RED/WHT WIRE RER DEF RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) RIGHT SUNLOAD SENSOR RIGHT TEMP CONTROL SERIAL DATA TAN WIRE UPPER LEFT AIR TEMPERATURE SENSOR (UNDER UPPER LEFT SIDE OF DASH) UPPER RIGHT AIR TEMPERATURE SENSOR (UNDER UPPER RIGHT SIDE OF DASH) WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

11 2 LH ST SIG RH ST SIG BLK WIRE BRN WIRE COMPUTER DATA LINES SYSTEM COOLED SEATS FUSE 24 DDM FUSE 4 DK BLU WIRE DK GRN WIRE DRIVER BACK HEATED SEAT ELEMENT (IN DRIVER'S SEAT BACK) DRIVER CUSHION HEATED SEAT ELEMENT (IN DRIVER'S SEAT CUSHION) DRIVER SEAT BACK VENTILATION HEATING, COOLING MODULE DRIVER SEAT CUSHION VENTILATION HEATING, COOLING MODULE GMLAN GRY WIRE HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH, LOGIC LT BLU WIRE LT GRN WIRE MEMORY SEAT MODULE (MSM) (UNDER FRONT OF DRIVER'S SEAT) ORG/ WIRE PASSENGER BACK HEATED SEAT ELEMENT (IN PASSENGER'S SEAT BACK) PASSENGER CUSHION HEATED SEAT ELEMENT (IN PASSENGER'S SEAT CUSHION) PASSENGER SEAT BACK VENTILATION HEATING, COOLING MODULE PASSENGER SEAT CUSHION VENTILATION HEATING, COOLING MODULE PNK PNK PPL WIRE PNK WIRE PPL RED/WHT WIRE TAN WIRE TAN/BLK WIRE WHT WIRE YEL WIRE YEL/BLK WIRE

4 6 BATT POS VOLT GND 6 4 GND BATT POS VOLT BACK IND BCK, CUSH BLK WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM COOL IND DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DRIVER DOOR LOCK/ WINDOW SWITCH DRIVER MEMORY/ HEATED, COOLED SEAT SWITCH DRV HEAT COOL CTRL DRV HEAT COOL SW SIG DRV HEAT HI TEMP CTRL DRV HEAT LO TEMP CTRL DRV HEAT MID TEMP CTRL DRV SEAT BACK CTRL DRV ST BCK, CSH CTRL GMLAN SERIAL DATA GROUND DISTRIBUTION SYSTEM GRY WIRE HI IND HOT AT ALL TIMES I/P FUSE BLOCK LO IND LOW REFERENCE LT BLU WIRE LT GRN/BLK WIRE MEMORY SW DIM CTRL MID IND ORG/ WIRE PAS HEAT COOL CTRL PAS HEAT COOL SW SIG PAS HEAT HI TEMP CTRL PAS HEAT LO TEMP CTRL PAS HEAT MID TEMP CTRL PAS SEAT BACK CTRL PAS ST BCK, CSH CTRL PASSENGER DOOR LOCK/ WINDOW SWITCH PASSENGER HEATED, COOLED SEAT SWITCH PDM FUSE 9 PNK LOW REFERENCE WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PPL PPL DRV SEAT BACK CTRL PPL PAS HEAT BACK CTRL RED WIRE RED/WHT WIRE RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) SEAT BACK) SEAT COOL SEAT HEAT TAN WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

AUX HVAC-IGN FUSE 48 FUSE 45 BLK WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BRN WIRE DIM SIG DK GRN/WHT WIRE EXCEPT 6.6L 6.6L HEATED STEERING FUSE HOLDER (ON STEERING COLUMN) HEATED STEERING WHEEL HEATED STEERING WHEEL CONTROL MODULE (IN STEERING WHEEL) HEATED STEERING WHEEL IND HEATED STEERING WHEEL SWITCH HOT W/ RUN/CRNK RELAY ENERGIZED IGN LED CNTRL SW SIG VOLT REF SNS SIG WHL CNTRL GND INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL (BEHIND STEERING WHEEL) INFLATABLE RESTRAINTS STEERING WHEEL MODULE COIL (BEHIND STEERING WHEEL) LEFT STEERING WHEEL CONTROL SWITCH LT GRN/BLK WIRE LT GRN/WHT WIRE NCA WIRE ORG/ WIRE PNK WIRE RED WIRE RED/BLK WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 B+ 1 2 3 4 5 6 7 8 PPL RR SNS SIG RR SNS SIG LR SNS SIG SUPPLY LR SNS SIG 2378 2377 2376 2374 2375 PPL 5060 2751 2555 COMPUTER DATA LINES SYSTEM BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BRN WIRE DK BLU WIRE DK GRN WIRE GMLAN GND DISABLE SIG GRY WIRE HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH, I/P MULTI-FUNCTION SWITCH IND DIM LED DISABLE LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LEFT REAR MIDDLE OBJECT SENSOR (LEFT SIDE OF REAR BUMPER) LEFT REAR OBJECT CORNER SENSOR (LEFT CORNER OF REAR BUMPER) LOW REF LT BLU WIRE OBS DET FUSE 20 ORG/ WIRE PPL PPL 5 24 18 8 23 PPL/WHT WIRE REAR OBJECT SENSOR CONTROL MODULE (AT REAR CARGO AREA, BEHIND TRIM PANEL) REAR PARK ASSIST DISABLE SWITCH RED WIRE RED/WHT WIRE RIGHT REAR CORNER OBJECT SENSOR (RIGHT CORNER OF REAR BUMPER) RIGHT REAR MIDDLE OBJECT SENSOR (RIGHT SIDE OF REAR BUMPER) W/O SPO HEATED SEATS W/ SPO HEATED SEATS WHT WIRE YEL WIRE

ACC VOLT BLK WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) VOLT BRN WIRE BRN/WHT WIRE CLOSE CREW CAB DK GRN WIRE EXPRESS CLOSE (CREW CAB) EXPRESS OPEN GASOLINE DIESEL GROUND HOT AT ALL TIMES ILLUMINATION LAMP LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) ORG/ WIRE ORG/BLK WIRE PNK VNT CLOSE SIG WIRE PNK WIRE POWER DISTRIBUTION SYSTEM RED/WHT WIRE RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) ROOF CLOSE SIG ROOF OPEN SIG S/ROOF FUSE 34 FUSE 31 SUNROOF MODULE SUNROOF MOTOR SUNROOF SWITCH SW XPRS SIG UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPARTMENT) VENT VNT OPEN SIG YEL WIRE

1 1 RF HEAD CURTAIN MOD HI CTRL RF HEAD CURTAIN MOD LO CTRL BLK/ORG WIRE BLU WIRE BRN WIRE BRN/ORG WIRE DK GRN WIRE DRIVER SEAT BELT ANCHOR PRETENSIONER DRIVER SEAT BELT RETRACTOR PRETENSIONER DRIVER SEAT BELT SWITCH DRIVER SEAT BELT BUCKLE DRIVER SEAT POSITION SENSOR DRIVER SEAT SIDE AIR BAG GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRY WIRE GRY/ORG WIRE INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (UNDER DRIVER'S SEAT) LT BLU WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE ORG/BLU WIRE ORG/BRN WIRE ORG/GRN WIRE ORG/GRY WIRE ORG/LT GRN WIRE ORG/VIO WIRE ORG/YEL WIRE PASSENGER SEAT BELT ANCHOR PRETENSIONER PASSENGER SEAT BELT RETRACTOR PRETENSIONER PASSENGER SEAT BELT SWITCH PASSENGER SEAT BELT BUCKLE PASSENGER SEAT POSITION SENSOR PASSENGER SEAT SIDE AIR BAG RED WIRE RIGHT ROOF RAIL AIR BAG SHORTING BAR VIO/ORG WIRE WHT WIRE WHT/ORG WIRE YEL/ORG 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

15 7 WASHER RLY CTRL MTR PARK SW SIG 24 9 8 5 PNK WASHER SW SIG WIPER SW LO SIG LOW REF WIPER SW HI SIG WIRE BAT POS VOLT BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DK GRN WIRE DRIVER INFORMATION CENTER (DIC) DISPLAY FRONT WASHER DIODE FRT WASH FUSE 7 (EXCEPT 6.6L) FRT WASH PCB RELAY FUSE 5 (6.6L) FUSE HOLDER (EXCEPT 6.6L: ON POSITIVE BATTERY GROUND DISTRIBUTION SYSTEM LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) GRY WIRE HI LO OFF INT HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH, INSTRUMENT PANEL CLUSTER (IPC) LOGIC LOW WASHER FLUID IND SERIAL CTRL DATA LT BLU WIRE LT GRN WIRE MIST HI LO MIST OFF INT WIPER SWITCH ORG/ WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PPL RED/BLK WIRE RED/WHT WIRE RT STOP TRN FUSE 8 SERIAL DATA TAN WIRE TAN/BLK WIRE TERMINAL) (6.6L: RIGHT SIDE OF FIREWALL) TURN SIGNAL/ MULTI-FUNCTION SWITCH (ON LEFT SIDE OF STEERING COLUMN) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WASHER SWITCH WINDSHIELD WASHER FLUID LEVEL SWITCH (BOTTOM OF WASHER FLUID RESERVOIR) WINDSHIELD WASHER FLUID PUMP (BOTTOM OF WASHER FLUID RESERVOIR) WINDSHIELD WIPER MOTOR (UNDER LEFT SIDE OF WINDSHIELD COWL) WINSHIELD WIPER SW HI SIG WIPER CONTROL PCB RELAY WIPER HIGH SPEED DIODE WIPER LOW SPEED DIODE WIPER SPEED PCB RELAY FRT WPR FUSE 36 (EXCEPT 6.6L) WPR FUSE 33 (6.6L) WNDSHLD WIPER SW SIG 2 YEL WIRE