GMC Sierra IV (2018-2022) grn/yel Wiring diagrams

BATTERY POSITIVE VOLT BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/VIO WIRE BLU/YEL WIRE BRAKE FLUID LEVEL SENS SIG BRAKE FLUID LEVEL SWITCH BRAKE PRESSURE MODULATOR BRN WIRE BRN/BLU WIRE COMPUTER DATA LINES SYSTEM ELECTRONIC BRAKE CONTROL MODULE (BEHIND UNDERHOOD FUSE BLOCK) GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/RED WIRE GRY/WHT WIRE HI SPD GMLAN SERIAL DATA (-) (1) HI SPD GMLAN SERIAL DATA (-) (2) HOT AT ALL TIMES LEFT FRONT WHEEL SPEED SENSOR LEFT PARK BRAKE ACTUATOR LEFT REAR BRAKE PAD WEAR SENSOR LF WHEEL SPD SENS CTRL LF WHEEL SPD SENS SIG LR PARK BRAKE MOTOR APPLY CTRL LR PARK BRAKE MOTOR LOW REF LR WHEEL SPD SENS CTRL LR WHEEL SPD SENS SIG NCA WIRE ORG/ WIRE PARK BRAKE APPLY SW SIG PARK BRAKE APPLY SW VOLT REF PARK BRAKE CONTROL SWITCH (ON PARK BRAKE PEDAL ASSEMBLY) PARK BRAKE REL SW SIG PARK BRAKE REL SW VOLT REF PARK BRAKE SW SIG PARK BRAKE SW SPLY VOLT RED/VIO WIRE RED/YEL WIRE RF WHEEL SPD SENS CTRL RF WHEEL SPD SENS SIG RIGHT PARK BRAKE ACTUATOR RR PARK BRAKE MOTOR APPLY CTRL RR PARK BRAKE MOTOR LOW REF GND RR WHEEL SPD SENS CTRL RR WHEEL SPD SENS SIG SERIAL DATA COMM ENABLE TAN WIRE TRACTION CONTROL SWITCH UNDERHOOD FUSE BLOCK VEHICLE SPEED SIGNAL 4 VEHICLE STABILITY CONTROL SWITCH WHT WIRE WHT/BLU WIRE YEL WIRE YEL/RED WIRE

12 VOLT REFERENCE ACCESSORY IGNITION VOLT ACCESSORY WAKEUP SER DATA AIR CONDITIONING, STARTING/CHARGING SYSTEMS ALL WINDOWS OPEN SWITCH SIG CTRL SW SIG BATT POSITIVE VOLT ANTI-THEFT SYSTEM BATTERY FUSE BLOCK BLK/GRY WIRE BLK/WHT WIRE BLOWER SPD FEEDBACK SIG CURRENT SENS SIG BLU/VIO WIRE BLU/YEL WIRE BODY CONTROL MODULE (LEFT END OF DASH) BRN/GRN WIRE BRN/GRY WIRE CHARGE INDICATOR CTRL COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM WIPER/WASHER SYSTEM CURRENT SENS CTRL DOOR LOCKS SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS GAP UP/DOWN SW SIG GRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/VIO WIRE HAZARD SW LEFT TURN SIG HAZARD SWITCH RIGHT TURN SIG HDLP SW FLASH TO PASS SIG HEADLAMP DIMMER SW HIGH BEAM SIG HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM HORNS SYSTEM HEADLIGHTS, EXTERIOR LIGHTS SYSTEMS HIGH BEAM AUTO ON/OFF SW SIG HOOD STATUS B SIG HORN SW SIG HOT AT ALL TIMES IGNITION KEY RESISTOR SIG IGNITION SWITCH IMMOBILIZER CTRL IMMOBILIZER LOW REF LF DRL CTRL STEERING COLUMN KEY CYLINDER LOCK SOLENOID CTRL LH HDLMP LOW BEAM CTRL LOW REFERENCE NAVIGATION, CRUISE CONTROL SYSTEMS NAVIGATION, CRUISE CONTROL, SHIFT INTERLOCK SYSTEMS NETWORK SERIAL DATA BUS 15 OFF OFF/RUN/CRANK IGNITION VOLT POLICE SELECT SUPPLY VOLTAGE 4 POWER DISTRIBUTION SYSTEM POWER WINDOWS, ANTI-LOCK BRAKES SYSTEMS RAP RELAY COIL CTRL REAR LICENSE LP CTRL RED/YEL WIRE RF TURN SIG LP CTRL RH HDLMP LOW BEAM CTRL RIGHT HEADLAMP LOW BEAM CTRL RR STOP/TURN LAMP CTRL RUN WIRE RUN/CRANK IGNITION 1 VOLT RUN/CRANK RELAY COIL CTRL WINDSHIELD WIPER MOTOR RELAY COIL CTRL SERIAL DATA BUS 11 SERIAL DATA COMM ENABLE SET/COAST/RESUME/ ACCELERATE SW SIG SHIFT INTERLOCK, TRANSMISSIONS SYSTEMS SIG GROUND STARTING/CHARGING SYSTEM STOP LP RLY COIL CTRL TAP UP/TAP DOWN SW SIG TRANSMISSIONS SYSTEM VIO/BLK WIRE VIO/BLU WIRE VIO/GRY WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE WHT/VIO WIRE WHT/YEL WIRE WINDSHIELD WASHER RLY CTRL WINDSHIELD WASHER SW SIG WINDSHIELD WIPER SW LOW SIG WIPER MTR PARK SW SIG WIPER SW HIGH SIG WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM POWER DISTRIBUTION SYSTEM YEL WIRE YEL/BLU WIRE YEL/BRN WIRE

ANTI-LOCK BRAKES SYSTEM EXTERIOR LIGHTS SYSTEM BLK WIRE BLU WIRE BLU/GRY WIRE BLU/VIO WIRE BODY CONTROL MODULE (LEFT END OF DASH) BRN WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CARGO BED LAMP CTRL COMPUTER DATA LINES SYSTEM COURTESY LAMP SW SIG DOOR LOCK ACTUATOR LOCK CTRL DOOR LOCK ACTUATOR LOCK CTRL 2 DOOR LOCK ACTUATOR UNLOCK CTRL DOOR LOCK KEY SW UNLOCK SIG DOOR LOCKS SYSTEM DOOR LOCKS, EXTERIOR LIGHTS, INTERIOR LIGHTS SYSTEMS DRIVER DOOR LOCK SW LOCK SIG DRIVER DOOR LOCK SW UNLOCK SIG GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GROUND GRY WIRE GRY/BLU WIRE HI SPEED GMLAN SER DATA (-) 1 INADVERTENT POWER CTRL LED AMBIENT LIGHTING CTRL 1 LED BACKLIGHT DIMMING CTRL LEFT TAIL LAMP OUTAGE DETECTION SIG LF DOOR AJAR SW SIG FRONT TURN LAMP FEEDBACK SIG LOCAL INTERCONNECT NETWORK BUS SERIAL DATA 3 LOCAL INTERCONNECT NETWORK SERIAL DATA BUS 1 LOCAL INTERCONNECT NETWORK SERIAL DATA BUS 2 MAJOR ENDGATE RELEASE SW SIG EXTERIOR MAJOR ENDGATE RELEASE SW SIG INTERIOR MINOR ENDGATE HIGH RELAY CTRL MINOR ENDGATE LOW RELAY CTRL MINOR ENDGATE RELEASE SW DISCRETE SIG EXTERIOR PASSENGER DOOR LOCK SW LOCK CTRL PASSENGER DOOR LOCK SW UNLOCK CTRL POWER DISTRIBUTION SYSTEM PUDDLE LAMP CTRL RF TURN LAMP FEEDBACK SIG RF DOOR AJAR SW SIG RIGHT TAIL LAMP OUTAGE DETECTION SIG SHIFT INTERLOCK SOLENOID CTRL SHIFT INTERLOCK, TRANSMISSIONS SYSTEMS SHIFT SELECT SW PARK SI SHIFT SELECT SW PERFORMANCE SIG 16 17 TRAILER BRAKE APPLY SIG STANDING LAMP RLY CTRL SURVEILLANCE SW SIG TRANSMISSIONS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRY WIRE WHT/VIO WIRE WHT/YEL WIRE WIRELESS CHARGING SYSTEM FAULT INDICATOR CTRL YEL WIRE YEL/BLK WIRE YEL/VIO WIRE YEL/WHT WIRE

BLK WIRE BLK/ORG WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/VIO WIRE BLU/YEL WIRE BRAKE FLUID LEVEL SWITCH BRAKE IND BRK FLUID LVL BRN WIRE BRN/BLU WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY DRIVER SEAT BELT SW LO REF DRIVER SEAT BELT SW SIG DRIVER SEAT BELT SWITCH DRIVER SEAT BELT BUCKLE DRIVER SEAT POS SW SIG DRIVER SEAT POSITION SENSOR ELECTRONIC BRAKE CONTROL MODULE (BEHIND UNDERHOOD FUSE BLOCK) FRONT BRAKE PAD FRONT OVERHEAD CONSOLE ASSEMBLY GMLAN SER DATA (-) (2) GRN/GRY WIRE GRN/YEL WIRE GRY/GRN WIRE GRY/RED WIRE HI SPD GMLAN SER DATA BUS (+) 1 HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGNITION SWITCH INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE INSTRUMENT CLUSTER KEY-IN IGNITION SWITCH LEFT INSTRUMENT PANEL FUSE BLOCK LO SPD GMLAN SER DATA LOGIC NCA WIRE OFF ORG/BRN WIRE ORG/GRN WIRE ORG/VIO WIRE PARK BRAKE CONTROL SWITCH PARK BRK SW SIG PARK BRK SW SIG VOLT 1 PASS SEAT BELT IND PASS SEAT BELT SW LO REF PASS SEAT BELT SWITCH SIG PASSENGER SEAT BELT SWITCH PASSENGER SEAT BELT BUCKLE POWER DISTRIBUTION SYSTEM PRK BRK SW SIG REAR BRAKE PAD RED/BLU WIRE RED/GRY WIRE RUN WIRE RUN/CRANK SEAT BELT IND SEAT BELT ON IND TIRE PRESSURE IND VIO WIRE VIO/BLK WIRE VIO/WHT WIRE WHT WIRE WHT/VIO WIRE YEL WIRE YEL/RED WIRE

AJAR SW SIG AUTO OFF BATT POS VOLT BLK WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (UPPER LEFT SIDE OF DASH) BRN/BLU WIRE COMPUTER DATA LINES SYSTEM DRIVER DOOR LATCH ASSEMBLY GMLAN SERIAL DATA - 1 GRN/BRN WIRE GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE HEAD HEADLAMP SW ON SIG HEADLAMP SW HEADLAMPS OFF SIG CTRL HEADLAMP SW PARK LP SIG HEADLAMP SWITCH LEFT FRONT BRAKE PAD WEAR SENSOR LEFT REAR BRAKE PAD WEAR SENSOR LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR WINDOW SWITCH LF DR AJAR SW SIG LIN BUS 3 LIN BUS 4 LOGIC LOGIC DRIVER WINDOW MOTOR LOGIC RIGHT REAR WINDOW SWITCH LR DR MOST SER DATA (+) NCA WIRE OFF/RUN/CRANK VOLT PARK PASSENGER DOOR LATCH ASSEMBLY PASSENGER WINDOW MOTOR PASSENGER WINDOW SWITCH PNK LF DOOR AJAR SW SIG WIRE PNK WIRE RADIO RED/GRY WIRE RF DR RF DR AJAR SW SIG RIGHT REAR DOOR LATCH ASSEMBLY RR DR AJAR SW SIG W/ POWER OPERATED WINDOW W/O EXPRESS UP/DOWN W/ POWER OPERATED WINDOW, EXPRESS UP/DOWN W/O POWER OPERATED WINDOW WHT WIRE WHT/VIO WIRE

AUTOMATIC TRANSMISSION ASSEMBLY AUTOMATIC TRANSMISSION ASSEMBLY (6 SPEED A/T) BLK WIRE BLU WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY CRUISE IND DRIVER INFORMATION CENTER DISPLAY GRN WIRE GRN/VIO WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/GRN WIRE HI SPD GMLAN SERIAL DATA (-) (1) INPUT SPD SIG INSTRUMENT CLUSTER LO SPD GMLAN SERIAL DATA LOGIC NCA WIRE OUTPUT SPD SIG RED WIRE TRANS I/P SPEED SENS SIG TRANS INTERMEDIATE SPD SIG TRANSMISSION CONTROL MODULE TRANSMISSION CONTROL MODULE (10 SPEED A/T) (BEHIND LEFT CORNER OF THE RADIATOR) TRANSMISSION CONTROL MODULE (8 SPEED A/T) (BEHIND LEFT CORNER OF THE RADIATOR) TRANSMISSION INPUT SHAFT SPEED SENSOR TRANSMISSION INTERMEDIATE SHAFT SPEED SENSOR TRANSMISSION INTERMEDIATE SPEED SENSOR 1 TRANSMISSION INTERMEDIATE SPEED SENSOR 2 TRANSMISSION OUTPUT SHAFT SPEED SENSOR VIO/GRN WIRE WHT WIRE WHT/BLU WIRE WHT/VIO WIRE YEL WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/ORG WIRE

BLK/BLU WIRE BLU/GRN WIRE BLU/VIO WIRE BLU/YEL WIRE BRN WIRE BRN/WHT WIRE DRIVER SEAT MEMORY SWITCH DRIVER SEAT RECLINE MOTOR DRV SEAT RECLINE MOTOR EXIT GRN WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/GRN WIRE HIGH REF (2) HOT AT ALL TIMES LEFT REAR SEAT MOTOR CONTROL LOW REF POSITION SENS SIG POSITIVE VOLT 11 POSITIVE VOLT 50 RED/BRN WIRE RED/YEL WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT REAR SEAT MOTOR CONTROL SEAT FRONT VERTICAL MOTOR POS SENS SIG SEAT FRONT VERTICAL UP SW SIG SEAT FRONT VERTICAL DOWN SW SIG SEAT HORIZONTAL FORWARD SW SIG SEAT HORIZONTAL MOTOR POS SENS SIG SEAT HORIZONTAL REARWARD SW SIG SEAT MEMORY CONTROL MODULE SEAT REAR VERTICAL DOWN SW SIG SEAT REAR VERTICAL UP SW SIG SEAT RECLINE FORWARD SW SIG SEAT RECLINE REARWARD SW SIG SET SIG SET- SWITCH SIG 1 WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE YEL/BLU WIRE YEL/BRN WIRE

BLK WIRE BLU/VIO WIRE BLU/YEL WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DRIVER LEFT REAR SEAT HAPTIC MOVEMENT MOTOR DRIVER RIGHT REAR SEAT HAPTIC MOVEMENT MOTOR DRIVER SEAT ADJUSTER SWITCH DRIVER SEAT FRONT VERTICAL MOTOR DRIVER SEAT HORIZONTAL MOTOR DRIVER SEAT REAR VERTICAL MOTOR FORWARD CTRL FRT VERT MOTOR DOWN CTRL FRT VERT MOTOR UP CTRL GRN WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GROUND GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE LIN BUS 1 LOW SPD GMLAN MOTOR FORWARD CTRL MOTOR REARWARD CTRL NCA WIRE REARWARD CTRL RR VERT MOTOR DOWN CTRL RR VERT MOTOR UP CTRL SEAT MEMORY CONTROL MODULE WHT/RED WIRE YEL WIRE YEL/BLU WIRE YEL/BRN WIRE

1/+ 10 SPEED A/T 6.6L (VIN 7) 6.6L VIN Y AUTOMATIC TRANSMISSION ASSEMBLY (10 SPEED A/T) BATT POS VOLT 28 LO SPD GMLAN SERIAL DATA 2 BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BRK POS SENS LOW REF BRK POS SENS SIG BUS - COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY CRUISE IND DATA DATA BUS 1 DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE GND BATT POS VOLT 4 GRN/YEL WIRE GRY WIRE GRY/GRN WIRE HI SPD HI SPEED GMLAN SERIAL HI SPEED GMLAN SERIAL DATA BUS (-) 1 HIGH SPEED GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES IGN MODE SW CTRL BACKUP IGN MODE SW MODE CTRL INSTRUMENT CLUSTER INTERNAL MOD SW VOLT SUPPLY A J108 (6.6L VIN 7) LOGIC NCA WIRE ORG/ WIRE RED/BRN WIRE RED/GRY WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK SERIAL TRANSMISSION CONTROL MODULE TRANSMISSION INTERNAL MODE SW FEEDBACK SIGNAL TRANSMISSION INTERNAL MODE SWITCH TRANSMISSION PARK/ NEUTRAL SIGNAL 1 TRANSMISSION RANGE SENSOR UNDERHOOD FUSE BLOCK WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE YEL WIRE YEL/BLU WIRE YEL/GRY WIRE

ABSOLUTE PRESS SENS SIG BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM COMPUTER LINES SYSTEM COOLANT TEMP SENS 2 SIG ENGINE BLOCK COOLANT TEMP SIG ENGINE CONTROL MODULE (BEHIND LEFT HEADLAMP ASSEMBLY) ENGINE COOLANT TEMPERATURE SENSOR 3 ENGINE CTRL MODULE LIN BUS 3 ENGINE CTRL SENS 5 VOLT REF (2) ENGINE CTRL SENS 5 VOLT REF 1 ENGINE CTRL SENS LOW REF (3) ENGINE CTRL SENS LOW REF 2 ENGINE OIL TEMPERATURE SENSOR EVAP PURGE PUMP PRESS SIG FEEDBACK SIGNAL FUEL RAIL PRESS SENS SIG GRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/VIO WIRE GRY/WHT WIRE HEATED OXYGEN SENS COLLECTOR SIG HEATED OXYGEN SENS CURR ADJUST SIG HEATED OXYGEN SENS CURR PUMP SIG HEATED OXYGEN SENS GND HEATER CORE INLET TEMP SIG HEATER LOW CTRL BANK 1 SENS 1 LIN SERIAL DATA BUS 21 LIN SERIAL DATA BUS 22 NCA WIRE OIL PRESSURE SENS SIG DRIVER MODE SWITCH SIG OIL TEMP SENS SIG POSI SENS LOW REF POWERTRAIN MAIN RLY FUSED SPLY 5 POWERTRAIN SENS BUS ENABLE RADIATOR COOLANT TEMPERATURE SENSOR SIG GND TRANSMISSIONS SYSTEM VIO WIRE VIO/BLU WIRE VIO/GRN WIRE WHT WIRE WHT/RED WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/GRY WIRE