GMC Sierra III facelift (2015-2018) gry/wht Wiring diagrams

ACC WAKEUP SER DATA BATT POSITIVE VOLT BLK/BRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/GRY WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN WIRE BRN/WHT WIRE CLUTCH A CTRL CLUTCH B CTRL CLUTCH C CTRL CLUTCH D CTRL CLUTCH E CTRL CLUTCH G CTRL COMPUTER DATA LINES SYSTEM DK BLU WIRE DRIVER INFORMATION CENTER DISPLAY DRIVER SIG 1 DRIVER SIG 2 GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/WHT WIRE GRY/YEL WIRE HI SPD SER DATA (-) 1 HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IMS MODE SW RETURN INPUT SPD SIG INSTRUMENT CLUSTER LO SPD GMLAN SER DATA 2 LOGIC NCA WIRE OUTPUT SPD SIG POWER DISTRIBUTION SYSTEM PRNDL A SIG PRNDL B SIG PRNDL C SIG PRNDL P SIG PRNDL S SIG RED/GRN WIRE RUN/CRANK IGN 1 VOLT SENS LO REF SIG GND SW PERFORMANCE SIG TAP UP/TAP DOWN SW SIG TCC ON/OFF SOL A CTRL TCC ON/OFF SOL B CTRL TCM/ ECM FUSE TEMPERATURE SENS SIG TOW/ HAUL MODE SWITCH TRANS CLUTCH H CTRL TRANS IGN FUSE TRANS INTERMEDIATE SPD SIG TRANSMISSION CONTROL MODULE TRANSMISSION MANUAL SHIFT SWITCH TRANSMISSION SHIFT LEVER UNDERHOOD FUSE BLOCK VIO/BLK WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE

AUTOMATIC TRANSMISSION ASSEMBLY BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLU WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE ENGINE CONTROL MODULE GRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/WHT WIRE GRY/YEL WIRE HI SPD SER DATA (-) 1 PARK/NEUTRAL SIG (1) RED WIRE TRANSMISSION CONTROL SOLENOID VALVE 1 TRANSMISSION CONTROL SOLENOID VALVE 2 TRANSMISSION CONTROL SOLENOID VALVE 3 TRANSMISSION CONTROL SOLENOID VALVE 4 TRANSMISSION CONTROL SOLENOID VALVE 5 TRANSMISSION CONTROL SOLENOID VALVE 6 TRANSMISSION CONTROL SOLENOID VALVE 7 TRANSMISSION CONTROL SOLENOID VALVE 8 TRANSMISSION CONTROL SOLENOID VALVE 9 TRANSMISSION FLUID TEMPERATURE SENSOR TRANSMISSION INPUT SHAFT SPEED SENSOR TRANSMISSION INTERMEDIATE SHAFT SPEED SENSOR TRANSMISSION INTERNAL MODE SWITCH TRANSMISSION OUTPUT SHAFT SPEED SENSOR VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRY WIRE YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE

4.3L/ 5.3L 6.0L 6.6L 6.2L 6.2L, 5.3L 6.6L TURBO DIESEL AUTOMATIC TRANSMISSION ASSEMBLY BACKUP ALARM BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLUNT CUT) COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY DATA BUS - DK BLU WIRE ENGINE CONTROL MODULE GMLAN SERIAL GMLAN SERIAL DATA BUS + GRN WIRE GRY WIRE GRY/BRN WIRE GRY/WHT WIRE GRY/YEL WIRE HI SPD IMS MODE SWITCH RETURN LOW REF ORG/BLK WIRE PARK/NEUTRAL SIG PNK/BLK WIRE PPL/BLK WIRE PRNDL A SIGNAL PRNDL B SIGNAL PRNDL C SIGNAL PRNDL P SIGNAL TRANSMISSION SENSOR B PRNDL S SIGNAL RED WIRE SERIAL DATA BUS- SIG A SIG B SIG C SIG P SW SIG A SW SIG B SW SIG C SW SIG P TAN/WHT WIRE TRAILER CAMPER PROVISION TRAILER CONNECTOR TRANSMISSION CONTROL MODULE TRANSMISSION FLUID PRESSURE SWITCH TRANSMISSION INTERNAL MODE SWITCH TRANSMISSION INTERNAL MODE SWITCH AUTOMATIC TRANSMISSION ASSEMBLY TRANSMISSION SENSOR A TRANSMISSIONS SYSTEM VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/LT GRN WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRN WIRE

AJAR SW SIG BASE EQUIPMENT BLK WIRE BLK/WHT WIRE COMPUTER DATA LINES SYSTEM EXCEPT BASE EQUIPMENT GRN WIRE GRY WIRE GRY/WHT WIRE INSTRUMENT ILLUMINATION CIRCUIT INSTRUMENT PANEL JUNCTION BLOCK LEFT FRONT OVERHEAD CONSOLE DOME/ READING LAMPS LIN BUS 3 LOGIC LT GRN/GRY WIRE RIGHT FRONT OVERHEAD CONSOLE DOME/ READING LAMPS RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR WINDOW SWITCH RR DR - VIO WIRE VIO/GRN WIRE W/ REAR SEAT ENTERTAINMENT PACKAGE W/O REAR SEAT ENTERTAINMENT PACKAGE WHT/BRN WIRE WHT/YEL WIRE YEL WIRE

ACTUATOR UNLCK CTRL AIR CONDITIONING SYSTEM AMBIENT LIGHT/ SUNLOAD SENSOR BATT POS VOLT BCM 3 FUSE BCM 5 FUSE BLK WIRE BLK/YEL WIRE BLU/VIO WIRE BLU/WHT WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN/GRN WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CHILD LOCK IND CHILD LOCK OUT IND CHILD LOCK SWITCH CHILD SECURITY LCK RELAY CTRL COMPUTER DATA LINES SYSTEM DATA DK BLU WIRE DR LCK CTRL DR LCK CTRL 2 DRIVER DOOR LATCH ASSEMBLY (REAR OF DRIVER'S DOOR) DRIVER WINDOW MOTOR DRIVER WINDOW SWITCH DRV LOCK SIG DRV UNLOCK SIG GMLAN GMLAN SERIAL DATA - 1 GRN WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/WHT WIRE HEADLIGHTS SYSTEM HOOD AJAR SW SIG HORN RELAY CTRL HORNS SYSTEM HOT AT ALL TIMES HVAC CONTROL MODULE IND DIMMING CTRL INSTRUMENT PANEL JUNCTION BLOCK KEY SW UNLCK SIG LEFT INSTRUMENT PANEL FUSE BLOCK LF DR AJAR LF DR AJAR SW SIG LH HDLP LOW BEAM CTRL LIN BUS 3 LOCK MOTOR STATUS LOCK OUT IND LOGIC LOW REF LOW SPD LT GRN/YEL WIRE MOTOR STATUS SIG LR MOTOR STATUS SIG RR MTR STATUS PASS LOCK CTRL PASS UNLOCK CTRL PASSENGER DOOR LOCK SWITCH RED/BRN WIRE RED/DK BLU WIRE RED/GRY WIRE RED/VIO WIRE RF DR AJAR SW SIG RFA CTRL RFA RECEIVE SIG RFA RETURN RFA TRANSMIT SIG RH HDLP LOW BEAM CTRL SECURITY IND CTRL SECURITY LCK SW SIG SERIAL SW SIG UNLOCK SIG VIO/YEL WIRE W/ POWER OPERATED WINDOW W/O POWER OPERATED WINDOW WHT WIRE WHT/VIO WIRE YEL WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/VIO WIRE

AJAR SW SIG BCM 4 FUSE BCM 8 FUSE BLK WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/WHT WIRE BRN/YEL WIRE CHILD SECURITY LOCK DISABLE RELAY COMPUTER DATA LINES SYSTEM DOOR DEAD LOCK RELAY DRIVER DOOR LOCK SWITCH GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/WHT WIRE HOT AT ALL TIMES INSTRUMENT PANEL JUNCTION BLOCK LIN BUS 3 LIN BUS 4 LOGIC LT GRN/GRY WIRE LT GRN/YEL WIRE PASSENGER DOOR LATCH ASSEMBLY PASSENGER WINDOW SWITCH RED/DK BLU WIRE RED/VIO WIRE RF DR RIGHT REAR DOOR LATCH ASSEMBLY (CREW CAB, DOUBLE CAB) (REAR OF RIGHT REAR DOOR) RIGHT REAR WINDOW SWITCH RR DR - VIO/YEL WIRE WHT WIRE WHT/BLU WIRE YEL WIRE YEL/GRN WIRE

2500 HD, 3500 HD 1500 AJAR SW SIG ANTENNA BLK WIRE BLK/YEL WIRE BLU/WHT WIRE BRN/GRN WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DRIVER INFORMATION CENTER DISPLAY ENDGATE DOOR LATCH ASSEMBLY ENGINE CONTROL MODULE GMLAN SERIAL DATA - 1 GRY WIRE GRY/GRN WIRE GRY/WHT WIRE INSTRUMENT CLUSTER LEFT REAR DOOR LATCH ASSEMBLY (CREW CAB, DOUBLE CAB) (REAR OF LEFT REAR DOOR) LEFT REAR WINDOW SWITCH LIN BUS 4 LO SPD GMLAN SERIAL DATA LOGIC LOW REF LR DR LT GRN/GRY WIRE REMOTE CONTROL DOOR LOCK RECEIVER RFA RECEIVE SIG RFA RTN RFA SPLY VOLT RFA TRANSMIT SIG SECURITY IND SW SIG WHT WIRE WHT/BLU WIRE YEL WIRE YEL/GRN WIRE

4.3L, 6.2L, 5.3L 6.6L 3 6.0L 4 5 6 7 8 9 AJAR SW SIG AMBIENT AIR TEMPERATURE SENSOR AMBT AIR TEMP SENS LOW REF AMBT AIR TEMP SENS SIG BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/LT GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN/GRN WIRE BRN/LT GRN WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/GRY WIRE DOWN DRIVER DOOR LATCH ASSEMBLY ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) ENGINE CONTROLS SYSTEM ENGINE OIL LEVEL SWITCH ENGINE OIL PRESSURE SENSOR FUEL LEVEL SENS LOW REF FUEL LEVEL SENSOR FUEL PUMP, LEVEL SENSOR ASSEMBLY GMLAN SERIAL DATA GRN/BLK WIRE GRY WIRE GRY/WHT WIRE HI SPD GMLAN SERIAL DATA INSTRUMENT PANEL JUNCTION BLOCK LEFT LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR WINDOW SWITCH LF DR AJAR LF DR AJAR SW SIG LIN BUS 12 LIN BUS 3 LIN BUS 4 LOGIC LOGIC DRIVER WINDOW MOTOR LOGIC RIGHT REAR WINDOW SWITCH LOW REF BANK 2 LR DR LT GRN/GRY WIRE LT GRN/YEL WIRE MIRROR AMBIENT AIR TEMPERATURE SENSOR NCA WIRE OIL LEVEL SW SIG OIL PRESSURE SENS 5 VOLT REF OIL PRESSURE SENS SIG OUTSIDE AMBT AIR SENS SIG OUTSIDE AMBT AIR TEMP SENS LOW REF PASSENGER DOOR LATCH ASSEMBLY PASSENGER OUTSIDE REAR VIEW MIRROR PASSENGER WINDOW SWITCH PRIMARY FUEL LEVEL SENS SIG PRIMARY FUEL LEVEL SENSOR PRIMARY FUEL PUMP, LEVEL SENSOR ASSEMBLY PRK BRK SW RF DR RF DR AJAR SW SIG RIGHT RIGHT REAR DOOR LATCH ASSEMBLY (CREW CAB, DOUBLE CAB) RIGHT STEERING WHEEL CONTROLS SWITCH RR DR - SECONDARY FUEL LEVEL SENS SIG SECONDARY FUEL LEVEL SENSOR SECONDARY FUEL PUMP, LEVEL SENSOR ASSEMBLY SELECT SW SIG WHT WIRE WHT/RED WIRE YEL/BRN WIRE

BATT POS VOLT BLK WIRE BLU/GRY WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) COMM ENABLE COMPUTER DATA LINES SYSTEM DISABLE SW SIG LOW SPD GMLAN SER DATA DK BLU WIRE GRN WIRE GRY/WHT WIRE HI SPD GMLAN SER DATA (+) 1 HIGH SPD GMLAN SER DATA (+) 8 HIGH SPD GMLAN SER DATA (-) 8 HIGH SPD SER DATA (-) 8 HOT AT ALL TIMES IND DIMMING CTRL INSTRUMENT PANEL JUNCTION BLOCK INSTRUMENT PANEL MULTI- FUNCTION SWITCH LANE DEPARTURE WARNING DISABLE SWITCH LANE DEPARTURE WARNING IND LANE DEPT WARN IND CTRL RED/GRN WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK USB/OBS DET FUSE WHT WIRE WHT/DK BLU WIRE WHT/GRY WIRE WINDSHIELD FRONT VIEW CAMERA

AJAR SW SIG BLK WIRE BLU/VIO WIRE COMPUTER DATA LINES SYSTEM DK BLU/GRY WIRE DK BLU/VIO WIRE DOOR LOCKS SYSTEM DOWN DOWN SIG DRIVER WINDOW MOTOR DRIVER WINDOW SWITCH EXPRESS EXPRESS SIG GRY WIRE GRY/WHT WIRE HOT AT ALL TIMES ILL LEFT FRONT LEFT INSTRUMENT PANEL FUSE BLOCK LEFT REAR LEFT REAR WINDOW MOTOR LEFT REAR WINDOW SWITCH (EXTENDED CAB, CREW CAB) LK MTR STS LK SW SIG LOCKOUT IND LOGIC LR DOWN CTRL LR DR AJAR SW SIG LR UP CTRL LT DRS FUSE LT GRN/BLK WIRE LT GRN/GRY WIRE LT GRN/VIO WIRE LT GRN/WHT WIRE LT GRN/YEL WIRE MIR WNDW MDL FUSE NETWORK 3 NETWORK 4 OUTER SIDE REAR VIEW MIRROR SWITCH PASSENGER WINDOW MOTOR PASSENGER WINDOW SWITCH RED/DK BLU WIRE RED/VIO WIRE RED/WHT WIRE RIGHT FRONT RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT REAR RIGHT REAR WINDOW MOTOR RIGHT REAR WINDOW SWITCH (EXTENDED CAB, CREW CAB) RR DOWN CTRL RR DR AJAR SW SIG RR UP CTRL RT DR WNDW MTR FUSE UNLCK SIG UP SIG W/ MEMORY W/ POWER MIRROR W/O MEMORY WHT WIRE WHT/VIO WIRE WINDOW LOCK SWITCH WINDOW SWITCH YEL/BRN WIRE YEL/DK BLU WIRE