GMC Sierra III (2013-2015) tan/blk Wiring diagrams

10 11 HIGH SPEED BUS (+) 6.6L CHEVROLET GMC AUTOMATIC TRANSMISSION (6.6L) AUTOMATIC TRANSMISSION FLUID PRESSURE (TFP) MANUAL VALVE AUTOMATIC TRANSMISSION INTERNAL MODE SWITCH (IMS) AUTOMATIC TRANSMISSION INTERNAL MODE SWITCH (IMS) AUTOMATIC TRANSMISSION ( 6.0L) BCK/UP LAMP PCB RELAY BCK/UP RLY BCK/UP SIG BCM FUSE 15 BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM CONTROL TRANSMISSION SOLENOID CONTROL VALVE MODULE ASSEMBLY (TCM) CONVENIENCE PACKAGE DASH) DATA BUS - DK BLU WIRE DK GRN WIRE GMLAN SERIAL HI SPD GRD GRN WIRE GROUND DISTRIBUTION GROUND DISTRIBUTION SYSTEM GRY WIRE HIGH SPEED BUS - HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF INSIDE REARVIEW MIRROR (ISRVM) LEFT BACKUP LAMP LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LEFT LOWER TAIL/STOP, TURN SIGNAL LAMP LEFT UPPER TAIL/STOP, TURN SIGNAL LAMP LOW REF LOW SPEED 10 3 5 SERIAL DATA B+ GND LT GRN WIRE MJR NCA WIRE PNK/BLK WIRE POSITION SWITCH) POWER DISTRIBUTION SYSTEM REAR LAMPS JUNCTION BLOCK (INSIDE OF LEFT REAR FRAME RAIL) REARVIEW CAMERA (LEFT OF TAILGATE HANDLE) RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT LOWER TAIL/STOP, TURN SIGNAL LAMP RIGHT UPPER TAIL/STOP, TURN SIGNAL LAMP SW SIG A SW SIG B SW SIG C SW SIG P SYSTEM TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRAILER TOW CIRCUIT TRANS RANGE SIG A TRANS RANGE SIG B TRANS RANGE SIG C TRANSMISSION CONTROL MODULE (TCM) (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) TRLR BCK/UP FUSE 10 FUSE 9 UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VEH BCK/UP FUSE 15 FUSE 14 W/ COMFORT, DECOR LEVEL 3 W/ REARVIEW CAMERA W/ SPO REARVIEW CAMERA WHT 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

2500 2501 COMPUTER DATA LINES SYSTEM 66 46 DATA BUS + DATA BUS - BLK WIRE BLK/WHT WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DRIVER INFORMATION CENTER (DIC) DISPLAY ECT SENS SIG ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) ENGINE COOLANT LEVEL SWITCH (ON BOTTOM OF SURGE TANK) ENGINE COOLANT TEMPERATURE (ECT) SENSOR (TOP FRONT CENTER OF ENGINE) ENGINE COOLING FAN (FRONT CENTER OF ENGINE COMPT) FAN FUSE 68 FAN RLY RELAY GMLAN L GRY WIRE HOT AT ALL TIMES HVAC CONTROL MODULE INSTRUMENT PANEL CLUSTER (IPC) LOGIC LOGIC B+ GND LOW REF LT GRN WIRE MANUAL A/C AUTOMATIC A/C RLY SPD SIG SERIAL DATA SPD SIG SW SIG TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 PPL DOWN CTRL UP CTRL 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 PPL ELEMENT CTRL 1 2 3 4 5 6 GND ADJUSTABLE PEDALS CIRCUIT BLK WIRE BREAKOUT) BRN/WHT WIRE DK BLU WIRE DK GRN WIRE DRIVER SEAT 2 CIRCUIT DRIVER SEAT ADJUSTER ASSEMBLY (ON DRIVER'S SEAT TRACK) DRIVER SEAT LUMBAR HORIZONTAL MOTOR (IN DRIVER'S SEAT BACK) DRIVER SEAT LUMBAR HORIZONTAL MOTOR POSITION SENSOR (IN DRIVER'S SEAT TRACK) DRIVER SEAT LUMBAR VERTICAL MOTOR (IN DRIVER'S SEAT BACK) DRIVER SEAT LUMBAR VERTICAL MOTOR POSITION SENSOR (IN DRIVER'S SEAT TRACK) DRIVER SEAT RECLINE MOTOR (LOWER RIGHT SIDE OF DRIVER SEAT BACK) DRIVER SEAT RECLINE POSITION SENSOR (IN DRIVER'S SEAT BACK) DSM FUSE 25 ELEMENT CTRL FWD CTRL RWD CTRL ELEMENT CTRL FWD CTRL RWD CTRL PNK PNK WIRE FWD CTRL RWD CTRL ELEMENT CTRL UP CTRL DOWN CTRL SPLY VOLT UP CTRL DOWN CTRL GND B+ B+ GRY WIRE HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH, LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE MEMORY SEAT MODULE (UNDER FRONT OF DRIVER'S SEAT) ORG/BLK WIRE PNK SENS SIG WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PPL PPL FWD CTRL RWD CTRL PPL/WHT WIRE RED/WHT WIRE SEATS SYSTEM SENS SIG SENS SIG SENS SIG SENS SIG SENS SIG SENS SIG SPLY VOLT TAN WIRE TAN/BLK WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

17 12 8 11 HDLP OFF HDLP ON PRK LMP AMB LGHT 18 25 HDLP DIM SW SIG FLASH TO PASS 23 11 DRL RLY FOG LMP RLY 2500 2501 COMPUTER DATA LINES SYSTEM 8 9 SERIAL DATA + SERIAL DATA - BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT CHEVROLET DK BLU WIRE DK GRN WIRE DK GRN/ WHT WIRE DK GRN/WHT (OR ORG) WIRE DK GRN/WHT WIRE DRL 2 FUSE 33 FUSE 30 FLASH TO PASS SWITCH FOG LP SW FUSE 10 GASOLINE DIESEL GMC GRY WIRE HDLP LO/HID RELAY HEADLAMP DIMMER SWITCH HI BEAM PCB RELAY HI BEAM RLY HI HEAD- LAMP LT FUSE 32 FUSE 29 HI HEAD- LAMP RT FUSE 30 FUSE 21 HOT AT ALL TIMES LEFT FRONT SIDE MARKER LAMP LEFT HIGH BEAM HEADLAMP LEFT LOW BEAM HEADLAMP LO BEAM RLY LO HDLP LT FUSE 11 LO HDLP RT FUSE 16 FUSE 15 LOWER LEFT PARK/TURN SIGNAL LAMP LOWER RIGHT PARK/TURN SIGNAL LAMP LT BLU WIRE LT GRN/ BLK WIRE LT GRN/BLK (OR ORG) WIRE LT GRN/BLK WIRE ORG/ WIRE PK BRAKE SIG PNK/WHT WIRE POWER DISTRIBUTION SYSTEM RED/BLK WIRE RIGHT FRONT SIDE MARKER LAMP RIGHT HIGH BEAM HEADLAMP RIGHT LOW BEAM HEADLAMP SIDE OF DASH) TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TO FOG LAMP RELAY (DIAGRAM 2 OF 2) TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UNDERHOOD FUSE HOLDER (DIESEL: RIGHT SIDE OF FIREWALL) UPPER LEFT PARK/TURN SIGNAL LAMP UPPER RIGHT PARK/TURN SIGNAL LAMP WHT WIRE YEL WIRE YEL/BLK WIRE

10 SERIES EXCEPT 10 SERIES W/ ELECTRONIC DOOR LOCK CONTROL 2 3 16 31 39 24 FUEL LVL SIG LO REF 4.3L 6.0L (VIN G) 6.0L (VIN J) 5 13 9 LOW REF SW SIG SER DATA 58 28 FUEL LVL SIG LO REF 6.6L 4.8L, 5.3L, 6.2L 9 41 OIL LVL SIG LO REF 9 5 4 13 SER DATA LOW REF SW SIG SW SIG ALTERNATIVE FUEL PRESSURE SENSOR (6.0L (VIN B)) BLK WIRE BLK/WHT WIRE BLU/YEL WIRE BRN WIRE CNG CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRIVER DOOR LATCH ASSEMBLY (W/O BUCKET SEATS, POWER MIRRORS) DRIVER DOOR LOCK/WINDOW SWITCH ENGINE CONTROLS SYSTEM ENGINE OIL LEVEL (EOL) SWITCH (LEFT SIDE OF ENGINE OIL PAN) EXCEPT 4.3L 4.3L EXCEPT HYBRID HYBRID FUEL LVL SIG FUEL PUMP DISABLE CONTROL MODULE (TOP REAR OF CNG REGULATOR MOUNTING BRACKET) GRN/WHT WIRE GRY WIRE GRY/BLK WIRE HI SPD SER DATA BUS (-) HI SPD SER DATA BUS (+) 10 38 HYBRID EXCEPT HYBRID I/P FUSE BLOCK (LEFT SIDE OF DASH, INFORMATION VEHICLE LOCK CONTROL LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE OIL PRESS SIG PASSENGER DOOR LOCK/WINDOW SWITCH PERSONALI- PNK WIRE PPL PPL 44 9 64 27 RED/WHT WIRE RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) SERIAL DATA SET/ RESET SYSTEM TAN WIRE TAN/ BLK WIRE TAN/BLK WIRE TAN/WHT WIRE TRIP/FUEL W/ DUAL FUEL TANK WIPER/ WASHER SYSTEM YEL WIRE ZATION

2 HI 4 HI 4 LO 6 12 13 14 1563 1566 1565 1561 2 HI 4 HI 4 LO AWD AUTO (IF EQUIPPED) PNK WIRE BLK WIRE BRN/WHT WIRE CREW CAB DRIVER DOOR LOCK SWITCH DRIVER WINDOW SWITCH GARAGE DOOR OPENER (GDO) (IF EQUIPPED) SLIDING REAR WINDOW SWITCH (IF EQUIPPED) LEFT REAR WINDOW SWITCH LOGIC LT GRN/BLK WIRE OUTSIDE REARVIEW MIRROR SWITCH PASSENGER DOOR LOCK SWITCH PASSENGER WINDOW SWITCH PNK WIRE PPL/WHT WIRE RIGHT REAR WINDOW SWITCH SUNROOF SWITCH (IF EQUIPPED) TAN/BLK WIRE TRANSFER CASE SHIFT CONTROL MODULE (LOWER LEFT SIDE OF DASH) TRANSFER CASE SHIFT CONTROL SWITCH (ON TOP LEFT OF TRANSFER CASE) W/ ELECTRIC DOOR LOCK CONTROL W/ POWER WINDOWS

40 24 30 46 LOW REF ECT SENS SIG 6.0L 6.6L AIR TEMPERATURE ACTUATOR (TOP MIDDLE OF HVAC MODULE) BLK WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DRIVER INFORMATION CENTER (DIC) DISPLAY ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT) ENGINE COOLING FAN (6.6L) (FRONT CENTER OF ENGINE COMPT) EXCEPT 6.0L EXCEPT 6.6L 6.6L FAN FUSE 68 FAN RELAY GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER (IPC) LOGIC LOGIC B+ GND LT BLU/BLK WIRE LT GRN WIRE MODE ACTUATOR (LEFT END OF HVAC MODULE) NEAR FAN SHROUD) ORG/BLK WIRE RECIRCULATION ACTUATOR (FRONT A/C) (TOP RIGHT SIDE OF HVAC MODULE) SENS SIG FAN RLY CTRL PWRTRN RLY CTRL FAN RLY CTRL RLY SPD SIG LOW REF SPD SIG SERIAL DATA TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT WIRE WHT/BLK WIRE YEL WIRE

13 14 15 3 STP LP SW SIG SENS LO REF 5 VOLT REF BATT POSITIVE VOLT 28 27 2500 2501 GMLAN HI-SPD (+) GMLAN HI-SPD (-) 6.0L 6.0L 6.6L 66 46 2500 2501 GMLAN HI-SPD (+) GMLAN HI-SPD (-) 8 9 GMLAN HI-SPD (+) GMLAN HI-SPD (-) AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION INTERNAL MODE SWITCH AUTOMATIC TRANSMISSION INTERNAL MODE SWITCH (IMS) AUTOMATIC TRANSMISSION INTERNAL MODE SWITCH (IMS) P/N SWITCH AUTOMATIC TRANSMISSION SHIFT LOCK CONTROL SOLENOID BCM FUSE 15 BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) BRAKE PEDAL POSITION SENSOR BRN WIRE COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY DRIVE MOTOR GENERATOR (RIGHT REAR OF ENGINE COMPT) ENGINE CONTROL MODULE (ECM) (6.0L) (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) GROUND GRY WIRE HOT AT ALL TIMES IMS GROUND INSTRUMENT PANEL FUSE BLOCK (LEFT SIDE OF DASH) LT GRN WIRE ORG/BLK WIRE P/N SIGNAL P/N SWITCH RED/WHT WIRE SHIFT LOCK SOL SUPPLY VOLT TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRANSMISSION CONTROL MODULE TRANSMISSION CONTROL MODULE (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) TRANSMISSION CONTROL SOLENOID VALVE ASSEMBLY CONTROL MODULE (TCM) TRANSMISSIONS SYSTEM W/ TWO SPEED PUSH BUTTON, ELECTRIC SHIFT CONTROL TRANSFER CASE W/O TWO SPEED PUSH BUTTON, ELECTRIC SHIFT CONTROL TRANSFER CASE WHT WIRE YEL 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