GMC Sierra III facelift (2015-2018) yel/brn 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

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

AIR CONDITIONING SYSTEM AMBIENT LIGHT SENS SIG AMBIENT LIGHT/ SUNLOAD SENSOR AUTO B+ VOLT BCM 3 FUSE BCM 4 FUSE BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/VIO WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE FOG LAMP RLY CTRL FRONT FOG FRONT FOG LAMP SW SIG GRN/BRN WIRE GRN/GRY WIRE GRY/BLU WIRE HDLP DIMMER SW HI BEAM SIG HDLP HI BEAM RLY CTRL HDLP SW FLASH TO PASS SIG HDLP SW ON SIG HDLP OFF SIG CTRL HDLP SW PARK LP SIG HEAD HEADLAMP SWITCH HIGH SPD GMLAN SER DATA (-) 1 HOT AT ALL TIMES HVAC CONTROL MODULE INSTRUMENT PANEL JUNCTION BLOCK LEFT INSTRUMENT PANEL FUSE BLOCK LF HDLP LOW BEAM CTRL LH DRL CTRL LIGHT SWITCH LOW REF OFF PARK PARK BRAKE SWITCH PARK BRK SW SIG RED/DK BLU WIRE RED/GRY WIRE RH DRL CTRL RH HDLP LOW BEAM CTRL RIGHT INSTRUMENT PANEL FUSE BLOCK TURN SIGNAL/ MULTI-FUNCTION SWITCH W/ BASE EQUIPMENT W/O BASE EQUIPMENT WHT WIRE WHT/BLU WIRE WHT/VIO WIRE YEL WIRE YEL/BRN 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

BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLU/GRN WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DATA 9 (+) DRIVER DOOR LOCK SWITCH DRIVER SEAT MEMORY SWITCH DRIVER WINDOW SWITCH GMLAN SERIAL GREEN LED GRN/BRN WIRE GRN/WHT WIRE GRY WIRE HEATED STEERING WHEEL CONTROL MODULE HOT W/ IGNITION MAIN RELAY ENERGIZED INSIDE REAR VIEW MIRROR INSTRUMENT CLUSTER INSTRUMENT PANEL JUNCTION BLOCK IPC IGN/SDM IGN FUSE KEYPAD KEYPAD RED WIRE LED LED DISABLE SIG LEFT INSTRUMENT PANEL FUSE BLOCK LEFT STEERING WHEEL CONTROLS SWITCH LO REF LOGIC LT GRN/YEL WIRE OUTSIDE REAR VIEW MIRROR SWITCH PARKING ASSIST CONTROL MODULE PASSENGER AIR BAG DISABLED INDICATOR PASSENGER DOOR LOCK SWITCH RIGHT STEERING WHEEL CONTROLS SWITCH SEAT MEMORY CONTROL MODULE SERIAL DATA STEERING WHEEL AIR BAG COIL SWC BKLT FUSE TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE VIO/WHT WIRE W/ ACCESSORY STEERING WHEEL CONTROL WHT WIRE WHT/GRN WIRE WHT/LT GRN WIRE YEL WIRE YEL/BRN WIRE YEL/VIO WIRE

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

ASSIST STEP CONTROL MODULE BATT POS VOLT BLK WIRE BLU WIRE BLU/YEL WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DISABLE SIG DK GRN WIRE DRIVER INFORMATION CENTER DISPLAY ELC RNG BDS FUSE GRN WIRE GRN/RED WIRE GRY WIRE GRY/GRN WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL MULTIFUNCTION SWITCH LEFT ASSIST STEP LEFT ASSIST STEP KICK SWITCH LH 5 VOLT REF LH LO REF LH SIG (-) LO REF LO SPEED GMLAN SERIAL DATA LOGIC LOW SPEED SERIAL DATA 2 MTR LH CTRL EXTEND MTR LH CTRL RETRACT MTR RH CTRL EXTEND MTR RH CTRL RETRACT NCA WIRE RED/YEL WIRE RH 5 VOLT REF RH LO REF RH SIG (-) RIGHT ASSIST STEP RIGHT ASSIST STEP KICK SWITCH SW SIG LH SW SIG RH UNDERHOOD FUSE BLOCK VIO WIRE VIO/RED WIRE WHT/BRN WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE

ACTUATOR HI CTRL ACTUATOR LOW REF BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/DK BLU WIRE BLK/GRY WIRE BLK/LT GRN WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/GRY WIRE BRN WIRE BRN/DK BLU WIRE CAMSHAFT POSITION ACTUATOR SOLENOID VALVE CKP SENS SIG DK BLU WIRE DK BLU/VIO WIRE DK BLU/WHT WIRE DOOR LOCKS SYSTEM ECT SENS SIG ENGINE CONTROL MODULE ENGINE OIL PRESSURE SENSOR GRN WIRE GRY/BLU WIRE GRY/BRN WIRE HIGH PRESSURE FUEL PUMP HIGH VOLT CTRL CYLINDER 1 HIGH VOLT CTRL CYLINDER 2 HIGH VOLT CTRL CYLINDER 3 HIGH VOLT CTRL CYLINDER 4 HIGH VOLT CTRL CYLINDER 5 HIGH VOLT CTRL CYLINDER 6 IGN CTRL (1) IGN CTRL (2) IGN CTRL (3) IGN CTRL (4) IGN CTRL (5) IGN CTRL (6) IGNITION COIL 1 IGNITION COIL 2 IGNITION COIL 3 IGNITION COIL 4 IGNITION COIL 5 IGNITION COIL 6 INTAKE SENS 1 INTAKE SOLENOID LOW REF LT GRN WIRE LT GRN/DK BLU WIRE NCA WIRE OIL PRESS SENS SIG SENS CTRL 1 SENS LOW REF SPARK PLUG VIO/BLK WIRE VIO/BLU WIRE VIO/BRN WIRE VIO/DK BLU WIRE VIO/GRN WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BRN WIRE YEL/DK BLU WIRE YEL/VIO WIRE YEL/WHT WIRE

ACTUATOR HI CONTROL ACTUATOR LOW REF BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/DK BLU WIRE BLK/GRY WIRE BLK/LT GRN WIRE BLK/PPL WIRE BLK/VIO WIRE BLK/YEL WIRE BRN WIRE BRN/DK BLU WIRE CAMSHAFT POSITION ACTUATOR SOLENOID VALVE CKP SENS SIG CYLINDER 1 CYLINDER 2 CYLINDER 3 CYLINDER 4 CYLINDER 5 CYLINDER 6 CYLINDER 7 CYLINDER 8 DK BLU WIRE DK BLU/GRY WIRE DK BLU/VIO WIRE DK BLU/WHT WIRE DOOR LOCKS SYSTEM ECT SENS SIG ENGINE CONTROL MODULE ENGINE OIL PRESSURE SENSOR GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/DK BLU WIRE HIGH PRESSURE FUEL PUMP IGN CONTROL (1) IGN CONTROL (2) IGN CONTROL (3) IGN CONTROL (5) IGN CONTROL (6) IGN CONTROL (7) IGN CONTROL (8) IGN CONTROL 4 IGN CONTROL LOW REF IGNITION COIL 1 IGNITION COIL 2 IGNITION COIL 3 IGNITION COIL 4 IGNITION COIL 5 IGNITION COIL 6 INTAKE SENS 1 INTAKE SOLENOID LOW REF LT GRN WIRE LT GRN/DK BLU WIRE LT GRN/GRY WIRE NCA WIRE OIL PRESS SENS SIG PPL/LT GRN WIRE PRESS SENS LOW REF SENS LOW REF SPARK PLUG SPLY VOLT TEMP SENS LOW REF VIO/BLK WIRE VIO/BLU WIRE VIO/BRN WIRE VIO/DK BLU WIRE VIO/WHT WIRE WHT/LT GRN WIRE WHT/RED WIRE YEL WIRE YEL/BRN WIRE YEL/DK BLU WIRE YEL/GRY WIRE YEL/VIO WIRE YEL/WHT WIRE