GMC Sierra IV (2018-2022) gry/blu Wiring diagrams

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

AUDIO AMPLIFIER BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/YEL WIRE BRN/BLK WIRE BRN/BLU WIRE BUS 6 (+) COMM ENABLE ETHERNET ETHERNET BUS 4 (-) ETHERNET BUS 6 (-) ETHERNET BUS 7 (-) GRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/WHT WIRE HI DATA (+) 9 HIGH SPEED EXTENSION BUS 1 TERMINATING RESISTOR HIGH SPEED EXTENSION BUS 2 TERMINATING RESISTOR LO SPD DATA 2 LOW LEVEL MID/HIGH LEVEL RADIO SER DATA TRAILER TIRE PRESSURE INDICATOR MODULE VIDEO PROCESSING CONTROL MODULE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE

BLK/BLU WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/YEL WIRE BRN/BLU WIRE BUS 12 BUS 3 COMM ENABLE DRIVER WINDOW MOTOR DRIVER WINDOW/OUTSIDE REAR VIEW MIRROR SWITCH ETHERNET BUS 7 (-) GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/GRN WIRE HEAD-UP DISPLAY HI SPD SER DATA (+) 9 LIN SER DATA LIN SER DATA BUS 12 LO SPD DATA 2 LO SPD GMLAN PASSENGER WINDOW MOTOR PASSENGER WINDOW SWITCH RIGHT STEERING WHEEL CONTROLS SWITCH SER DATA STEERING WHEEL AIR BAG COIL VIO/YEL WIRE W/ DRIVER WINDOW W/ EXPRESS UP/DOWN W/ MULTI COLOR STANDARD GRAPHIC W/ PASSENGER WINDOW W/O EXPRESS UP/DOWN W/O MULTI COLOR STANDARD GRAPHIC WHT WIRE WHT/BLU WIRE WHT/GRN WIRE

3.0L TURBO DIESEL 5.3L, 6.2L AUXILIARY UNDERHOOD FUSE BLOCK BATTERY FUSE BLOCK BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BRN WIRE BRN/YEL WIRE CHARGE AIR COOLER COOLANT PUMP CHARGE AIR COOLER COOLANT PUMP RELAY CHARGE AIR COOLER INLET TEMPERATURE SENSOR CHARGE AIR COOLER OUTLET TEMPERATURE SENSOR CLOSE CTRL COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE (3.0L TURBO DIESEL) ENGINE COOLANT TEMPERATURE SENSOR ENGINE COOLANT TEMPERATURE SENSOR 7 GRN WIRE GRN/VIO WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/VIO WIRE HOT AT ALL TIMES HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED LOW REF OPEN CTRL POS SIG RED WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE SENS LOW REF SENS SIG TEMP SIG UNDERHOOD FUSE BLOCK VIO/BLU WIRE WHT/RED WIRE YEL/BLK WIRE YEL/BLU WIRE

2.7L TURBO 3.0L TURBO DIESEL B+ VOLT BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/YEL WIRE BLOCK ENGINE COOLANT FLOW CONTROL VALVE BLU WIRE BLU/BRN WIRE BRN WIRE BRN/YEL WIRE COMPUTER DATA COMPUTER DATA LINES SYSTEM ENGINE COOLANT BYPASS VALVE ENGINE COOLANT FLOW CONTROL VALVE (2.7L TURBO, 3.0L TURBO DIESEL) ENGINE COOLANT TEMPERATURE SENSOR 1 ENGINE COOLANT TEMPERATURE SENSOR 5 ENGINE COOLANT TEMPERATURE SENSOR 6 FAN RLY CTRL GRN/BRN WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/VIO WIRE HEATER COOLANT PUMP HI SPD COOLING J157 (2.7L TURBO) LINES SYSTEM LOGIC LOWER COOLING FAN MOTOR MAIN ENGINE COOLANT FLOW CONTROL VALVE NCA WIRE RED WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RIGHT COOLING FAN MOTOR VIO/BLU WIRE WHT/RED WIRE YEL WIRE YEL/BLU 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

BATT POS VOLT BLK WIRE BODY CONTROL MODULE (UNDER LEFT SIDE OF DASH) BRN/BLK WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY EXTERIOR PICKUP BOX ENDGATE CONTROL SWITCH GRN WIRE GRN/BLK WIRE GROUND GRY/BLU WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER LEFT INSTRUMENT PANEL FUSE BLOCK LEFT PICKUP BOX AUXILIARY ENDGATE LATCH LEFT PICKUP BOX AUXILIARY ENDGATE LATCH RELAY LH MINOR ENDGATE AJAR SIG LO SPD GM LAN SERIAL DATA LOCAL INTERCONNECT NETWORK SERIAL DATA BUS 12 LOGIC MINOR ENDGATE HI RLY CTRL MINOR ENDGATE LOW RLY CTRL MINOR ENDGATE REL SWITCH DISCRETE SIGNAL EXTERIOR RED/BLU WIRE RH MINOR ENDGATE AJAR SIG RIGHT END OF DASH) RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT PICKUP BOX AUXILIARY ENDGATE LATCH RIGHT PICKUP BOX AUXILIARY ENDGATE LATCH RELAY VIO WIRE WHT/BRN WIRE WHT/GRY WIRE YEL WIRE YEL/BLU 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

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 BATTERY FUSE BLOCK BLK WIRE BLU/BRN WIRE BRN/VIO WIRE BRN/WHT WIRE FRONT FOG LAMP RELAY GROUND DISTRIBUTION SYSTEM GRY/BLU WIRE HEADLAMP HIGH BEAM RELAY HEADLAMP RELAY HOT AT ALL TIMES LEFT DAYTIME RUNNING LAMP, LEFT HEADLAMP LEFT HEADLAMP ASSEMBLY LEFT HEADLAMP MULTI-FUNCTION LED CONTROL MODULE LF DRL CTRL LH HDLP CTRL LH HDLP HIGH BEAM CTRL LH HDLP LOW BEAM CTRL RED/GRN WIRE RF DRL CTRL RH HDLP CTRL RH HDLP HIGH BEAM CTRL RH HDLP LOW BEAM CTRL RIGHT DAYTIME RUNNING LAMP RIGHT HEADLAMP RIGHT HEADLAMP ASSEMBLY RIGHT HEADLAMP MULTI-FUNCTION LED CONTROL MODULE UNDERHOOD FUSE BLOCK WHT WIRE YEL WIRE YEL/BRN WIRE YEL/GRY WIRE