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

2.7L TURBO 3.0L TURBO DIESEL ACC WAKEUP DATA BLK WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/WHT WIRE BLU/YEL WIRE BUS 22 COMM ENABLE ENGINE CNTRL MODULE LIN BUS 3 ENGINE CONTROL MODULE EXCEPT 3.0L TURBO DIESEL EXHAUST PARTICULATE MATTER SENSOR GRN WIRE GRN/BRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HI SPD GMLAN HI SPD SER DATA (+) 3 HI SPD SER DATA (+) 7 HI SPD SER DATA (+) 7 LIN SER DATA BUS 32 HI SPD SER DATA (-) 1 HI SPD SER DATA (-) 2 HIGH SPEED BUS TERMINATING RESISTOR LIN SER DATA LIN SER DATA BUS 21 LIN SER DATA BUS 22 LOWER COOLING FAN MOTOR (BEHIND LOWER SIDE OF RADIATOR) MULTI-FUNCTION INTAKE AIR SENSOR NCA WIRE NITROGEN OXIDES SENSOR 1 NITROGEN OXIDES SENSOR 2 NITROGEN OXIDES SENSOR 3 POWER STEERING CONTROL MODULE SER DATA (-) 7 VIO WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE YEL WIRE

AMBIENT LIGHT SENS SIG BATT POS VOLT BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BRN WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) BRN/VIO WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DIMMER SWITCH FLASH TO PASS FOG LAMP RELAY CONTROL GRN/BRN 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 HIGH BEAM ASSIST HIGH BEAM AUTO ON/OFF SWITCH SIGNAL HIGH SPD GMLAN SER DATA (-) 1 HOT AT ALL TIMES LEFT FRONT FOG LAMP LF DRL CTRL LF HDLP LOW BEAM CTRL LH HDLP RLY CTRL LIGHTING CTRL SW REF LIGHTING CTRL SW SIG RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RF DRL CTRL RH HDLP LOW BEAM CTRL RIGHT FRONT FOG LAMP RIGHT INSTRUMENT PANEL FUSE BLOCK TURN SIGNAL/ MULTI-FUNCTION SWITCH W/ INTEGRATED TRAILER BRAKE CONTROL WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRY WIRE WHT/VIO WIRE YEL WIRE YEL/BRN WIRE

2.7L TURBO AMBIENT LIGHT/ SUNLOAD SENSOR BATTERY FUSE BLOCK BLK WIRE BLK/GRN WIRE BLU/BRN WIRE BRN/VIO WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DATA BUS 9 FRONT FOG LAMP RELAY GRN WIRE GRN/BRN WIRE GRN/YEL WIRE GROUND DISTRIBUTION SYSTEM GRY/BLU WIRE HEADLAMP HIGH BEAM RELAY HEADLAMP RELAY HOT AT ALL TIMES HVAC CONTROL MODULE INTERCONNECT LEFT DAYTIME RUNNING LAMP, LEFT HEADLAMP LEFT HEADLAMP ASSEMBLY LO REF LOCAL LOGIC LOW REFERENCE NETWORK SERIAL RED/GRN WIRE SOLAR SENS SOLAR SENSOR UNDERHOOD FUSE BLOCK WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/VIO WIRE YEL WIRE YEL/BRN WIRE YEL/GRY WIRE

AUTO BLK WIRE BLK/WHT WIRE BLU/BRN WIRE COMPUTER DATA LINES SYSTEM DIMMER SWITCH DRIVER INFORMATION CENTER DISPLAY FRONT FOG LAMP IND FRONT FOG LAMP SWITCH GRN/BRN WIRE GRN/YEL WIRE GROUND DISTRIBUTION SYSTEM GRY/GRN WIRE HEAD HEADLAMP SWITCH HIGH BEAM IND HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT CLUSTER LOGIC LOW SPD GMLAN SER DATA OFF PARK PARK BRAKE CONTROL SWITCH PARK BRAKE SWITCH RED/GRN WIRE RIGHT DAYTIME RUNNING LAMP RIGHT HEADLAMP RIGHT HEADLAMP ASSEMBLY RIGHT INSTRUMENT PANEL FUSE BLOCK SIG GND RUN/CRANK IGNITION 1 VOLTAGE VIO/BLK WIRE WHT WIRE WHT/BRN WIRE WHT/VIO WIRE YEL WIRE YEL/GRY WIRE

AMBIENT LIGHT SENS SIG AMBIENT LIGHT/ SUNLOAD SENSOR AUTO BATT POS VOLT BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLU WIRE BLU/BRN WIRE BODY CONTROL MODULE (LEFT END OF DASH) BRN/VIO WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DIMMER DIMMER SWITCH DRIVER INFORMATION CENTER DISPLAY FLASH TO PASS FOG LAMP RELAY CONTROL FRONT FOG FRONT FOG LAMP IND GRN WIRE GRN/BRN WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/GRN WIRE HDLP DIMMER SW HI BEAM SIG HDLP HI BEAM RLY CTRL HDLP OFF SIG CTRL HDLP SW FLASH TO PASS SIG HDLP SW ON SIG HEAD HEADLAMP SWITCH HIGH BEAM ASSIST HIGH BEAM AUTO ON/OFF SWITCH SIGNAL HIGH BEAM IND HIGH SPD GMLAN SER DATA (-) 1 HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED HVAC CONTROL MODULE INSTRUMENT CLUSTER LAMP LEFT FRONT FOG LAMP LF DRL CTRL LF HDLP LOW BEAM CTRL LH HDLP RLY CTRL LIGHTING CTRL SW REF LIGHTING CTRL SW SIG LOCAL INTERCONNECT NETWORK SERIAL DATA BUS 9 LOGIC LOW SPD GMLAN SER DATA IGNITION 1 VOLTAGE RUN/CRANK LOW SPEED GMLAN SERIAL DATA OFF PARK PARK BRAKE CONTROL SWITCH PARK BRAKE SWITCH RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RF DRL CTRL RH HDLP LOW BEAM CTRL RIGHT FRONT FOG LAMP RIGHT INSTRUMENT PANEL FUSE BLOCK SIG GND SOLAR SENSOR LOW REFERENCE SWITCH TURN SIGNAL/ MULTI-FUNCTION SWITCH VIO/BLK WIRE W/ INTEGRATED TRAILER BRAKE CONTROL WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRY WIRE WHT/VIO WIRE YEL WIRE YEL/BRN WIRE

2.7L TURBO AMBIENT LIGHT/ SUNLOAD SENSOR AMT LT SEN SIG BATT POS VOLT BATTERY FUSE BLOCK BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (LEFT END OF DASH) BRN/VIO WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DIMMER SWITCH FLASH TO PASS FOG LAMP RLY CTRL FRONT FOG LAMP RELAY GRN WIRE GRN/BRN WIRE GRN/YEL WIRE GROUND DISTRIBUTION SYSTEM HDLP DIMMER SW HI BEAM SIG HDLP HI BEAM RLY HDLP SW FLASH TO PASS SIG HDLP SW HDLP OFF SIG CTRL HEADLAMP HIGH BEAM RELAY HEADLAMP SWITCH ON SIGNAL HIGH BEAM ASSIST HIGH BEAM AUTO ON/OFF SWITCH SIGNAL HIGH SPEED GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES HVAC CONTROL MODULE LEFT HEADLAMP ASSEMBLY LEFT HIGH BEAM HEADLAMP LEFT LOW BEAM HEADLAMP LH HDLP LOW BEAM CTRL LIGHTING CTRL SW REF LIGHTING CTRL SW SIG LOCAL INTERCONNECT NETWORK SERIAL DATA BUS 9 LOW SPEED GMLAN SERIAL DATA RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RH HDLP LOW BEAM CTRL RIGHT HEADLAMP ASSEMBLY RIGHT HIGH BEAM HEADLAMP RIGHT LOW BEAM HEADLAMP SOLAR SENSOR LOW REFERENCE TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRY WIRE WHT/VIO WIRE YEL WIRE YEL/BRN WIRE

AUTO BLK WIRE BLK/WHT WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DIMMER SWITCH DRIVER INFORMATION CENTER DISPLAY FRONT FOG LAMP IND FRONT FOG LAMP SWITCH GRN/BRN WIRE GRY/GRN WIRE HEAD HEADLAMP SWITCH HIGH BEAM IND HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT CLUSTER LEFT FRONT FOG LAMP LOGIC LOW SPD GMLAN SER DATA OFF PARK RED/BLU WIRE RED/BRN WIRE RED/GRY WIRE RIGHT FRONT FOG LAMP RIGHT INSTRUMENT PANEL FUSE BLOCK SIG GND RUN/CRANK IGNITION 1 VOLTAGE VIO/BLK WIRE WHT WIRE WHT/BRN WIRE WHT/VIO WIRE YEL WIRE

ABS IND. AIR BAG IND AUTO STOP IND BATT POS VOLT BLK/WHT WIRE BLU/GRN WIRE BLU/YEL WIRE BRAKE IND BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/WHT WIRE CHARGE GAUGE CHARGE IND CHK ENG IND CTRL COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM CRUISE IND DISPLAY DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE GAUGE ENGINE OIL LEVEL GAUGE ENGINE OIL LEVEL SWITCH ESC IND ESC OFF IND ETHERNET BUS 7 (-) FORWARD COLLISION ALERT LED CTRL FRONT FOG LAMP IND FUEL GAUGE GLOW PLUG IND GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/YEL WIRE HEAD-UP DISPLAY CIRCUIT HIGH BEAM LAMP IND HILL DESCENT CONTROL IND HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED ILL IND INSTRUMENT CLUSTER INTELLIBEAM LAMP IND KM/H IND LANE KEEP ASSIST LEFT TURN IND LIN BUS 1 LOGIC LOW COOLANT LVL IND CTRL DAY NIGHT LED CTRL LOW FUEL IND LOW SPD GMLAN SERIAL DATA 2 LVDS MALFUNCTION IND MPH IND NAVIGATION SYSTEM OFF IND PARK IND PARK LAMPS IND PEDESTRIAN AHEAD IND PTO IND RED/GRY WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT TURN IND RPM IND RUN/CRANK IGN 1 VOLT SEAT BELT IND SECURITY IND SERIAL DATA (-) 9 SERIAL DATA COMMUNICATION ENABLE LOW WASHER FLUID IND CTRL SERVICE PARK BRAKE IND SIGNAL GROUND SPEEDOMETER TACHOMETER TIRE PRESSURE IND TOW/HAUL IND TRACTION CONTROL OFF IND VEHICLE AHEAD IND VIO WIRE VIO/BLK WIRE W/ MULTI COLOR ENHANCED GRAPHIC W/ ONE COLOR GRAPHIC WAIT TO START IND CTRL WHT/BLU WIRE WHT/GRN WIRE WIPER/WASHER SYSTEM

BATT POS VOLT BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLK/WHT WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DISABLE SIG DRIVER INFORMATION CENTER DISPLAY GMLAN SERIAL DATA GRN WIRE GRN/BRN WIRE GRY/GRN WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER LEFT INSTRUMENT PANEL CENTER ACCESSORY FUNCTION SWITCH LEFT MIDDLE FRONT PARKING ASSIST SENSOR LEFT MIDDLE REAR PARKING ASSIST SENSOR LEFT OUTER FRONT PARKING ASSIST SENSOR LEFT OUTER REAR PARKING ASSIST SENSOR LEFT/RIGHT/MID SENS LF MIDDLE SENS SIG LF OUTER SENS SIG LOGIC LR OUTER SENS SIG OBJECT SENS LOW REF OBJECT SENS SPLY VOLT PARKING ASSIST CONTROL MODULE PARKING ASSIST IND PARKING ASSIST SWITCH REAR PARK ASSIST DISABLE SIG RED/GRN WIRE RF MIDDLE SENS SIG RF OUTER SENS SIG RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT MIDDLE FRONT PARKING ASSIST SENSOR RIGHT MIDDLE REAR PARKING ASSIST SENSOR RIGHT OUTER FRONT PARKING ASSIST SENSOR RIGHT OUTER REAR PARKING ASSIST SENSOR RR MIDDLE SENS SIG RR OUTER SENS SIG SENS LOW REF SERIAL DATA COMM ENABLE VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/GRY WIRE YEL WIRE YEL/BLU WIRE YEL/GRY WIRE YEL/VIO WIRE YEL/WHT WIRE

BATT POS VOLT 2 BATT POS VOLT 3 BLK WIRE BLU/WHT WIRE BODY CTRL MODULE LIN BUS 2 BRN/BLK WIRE COMPUTER DATA LINES SYSTEM DISPLAY GND 11 GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES LEFT INSTRUMENT PANEL FUSE BLOCK LEFT REAR CUSHION SEAT HEATING ELEMENT LOGIC LR CUSHION TEMP SENS SIG LR CUSHION THERMISTOR FEEDBACK SIG NCA WIRE REAR SEAT HEATING CONTROL MODULE REAR SEAT HEATING SWITCH RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT REAR CUSHION SEAT HEATING ELEMENT RR CUSHION TEMP SENS SIG RR CUSHION THERMISTOR FEEDBACK SIG RR HTD SEAT CUSHION HEATING ELEMENT CTRL RR HTD SEAT CUSHION HEATING ELEMENT LO REF WHT/BLK WIRE WHT/BLU WIRE YEL/WHT WIRE