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

5 VOLT REF HUMIDITY/WINDSCREEN TEMP, INSIDE MOISTURE SENS LO REF A/C COMP SOL VALVE CTRL A/C COMPRESSOR A/C COMPRESSOR CLUTCH A/C COMPRESSOR SOLENOID VALVE AMBIENT LIGHT/SUNLOAD SENSOR ANTI-THEFT SYSTEM AUXILIARY HEATER CTRL BATT POSITIVE VOLT BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLOWER MOTOR (RIGHT SIDE OF DASH) BLOWER MTR SPD CTRL BLOWER SPEED FEEDBACK SIGNAL BLU/BRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE BRN/GRN WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DEFOGGER RLY CTRL DEFOGGER SYSTEM ELECTRICAL AUXILIARY HEATER GRN WIRE GRN/BLU WIRE GRN/YEL WIRE GROUND GRY WIRE GRY/BLU WIRE GRY/GRN WIRE HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED HUMIDITY SENS SIG 2 HUMIDITY TEMP SENS SIG HVAC CONTROL MODULE (BEHIND LEFT CENTER OF DASH) INSIDE AIR TEMP SENS SIGNAL LIN BUS 1 LIN SERIAL DATA BUS 19 LOGIC LOW SPD GMLAN SERIAL DATA NCA WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK RUN IGNITION 3 VOLTAGE SOLAR SENSOR DRIVER SIGNAL SOLAR SENSOR LOW REFERENCE VIO WIRE VIO/BLK WIRE VIO/BRN WIRE VIO/GRY WIRE WHT/BLU WIRE WINDSCREEN TEMP SENS SIG WINDSHIELD TEMPERATURE, INSIDE MOISTURE SENSOR YEL/BLU WIRE YEL/RED WIRE

2.7L TURBO A/C EVAPORATOR TEMPERATURE SENSOR A/C IND A/C SWITCH AIR INLET DOOR ACTUATOR AIR INLET DOOR ACTUATOR CTRL 1 AIR INLET DOOR ACTUATOR CTRL 2 AIR INLET DOOR ACTUATOR CTRL 3 AIR INLET DOOR ACTUATOR CTRL 4 AIR TEMPERATURE DOOR LOW REF AUTO IND AUTO SWITCH BATTERY FUSE BLOCK BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BRN WIRE BRN WIRE BRN/GRN WIRE BRN/VIO WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DISPLAY DRIVER INFORMATION CENTER DISPLAY ENGINE COOLANT TEMPERATURE GAUGE EVAP TEMP SENSOR SIG GRN WIRE GRN/BRN WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/GRN WIRE HOT AT ALL TIMES HVAC ACTUATOR CONTROL HVAC CONTROL MODULE (BEHIND LEFT CENTER OF DASH) HVAC CONTROLS INSTRUMENT CLUSTER LEFT AIR TEMPERATURE DOOR ACTUATOR LOGIC LOW SPEED GMLAN SERIAL DATA 2 LOWER AIR OUTLET IND LOWER AIR OUTLET SWITCH MAX WINDSHIELD DEFROST IND MAX WINDSHIELD DEFROST SWITCH MODE DOOR ACTUATOR MODE DOOR ACTUATOR CONTROL 1 MODE DOOR ACTUATOR CONTROL 2 MODE DOOR ACTUATOR CONTROL 3 MODE DOOR ACTUATOR CONTROL 4 RECIRCULATION IND RECIRCULATION SWITCH RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RIGHT AIR TEMPERATURE DOOR ACTUATOR RUN/CRANK IGNITION 1 VOLTAGE SIGNAL GROUND START STOP IND START/ STOP SWITCH SYNC IND SYNC SWITCH TEMP DOOR ACTUATOR CONTROL 1 TEMP DOOR ACTUATOR CONTROL 2 TEMP DOOR ACTUATOR CONTROL 3 TEMP DOOR ACTUATOR CONTROL 4 TEMP DOOR ACTUATOR PASS CTRL 1 TEMP DOOR ACTUATOR PASS CTRL 2 TEMP DOOR ACTUATOR PASS CTRL 3 TEMP DOOR ACTUATOR PASS CTRL 4 UPPER AIR OUTLET IND UPPER AIR OUTLET SWITCH VIO/BLK WIRE VIO/GRN WIRE WHT WIRE WHT/BLK WIRE WINDSHIELD DEFROST IND WINDSHIELD DEFROST SWITCH YEL WIRE YEL/GRN WIRE

6.6L DIESEL AUXILIARY BATTERY AUXILIARY BATTERY FUSE BLOCK AUXILIARY GENERATOR BATTERY BATTERY CURRENT SENSOR BATTERY FUSE BLOCK BATTERY POSITIVE VOLTAGE BLK WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/BRN WIRE BLU/VIO WIRE BODY CONTROL MODULE (UNDER LEFT SIDE OF DASH) BRN WIRE CHARGE IND CTRL CHARGE INDICATOR COMPUTER DATA LINES SYSTEM CURRENT SENSOR LOW REF CURRENT SENSOR SIG DRIVER INFORMATION CENTER DISPLAY DUTY CYCLE SIG ENGINE CONTROL MODULE GENERATOR GRN WIRE GROUND CURRENT SENSOR VOLT REF GRY WIRE GRY/GRN WIRE GRY/VIO WIRE HIGH SPEED GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED J112 (6.6L DIESEL) J158 (6.6L) LOGIC INSTRUMENT CLUSTER LOW SPEED GMLAN SERIAL DATA ORG/ WIRE RED WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK RUN/CRANK IGN 1 VOLT SERIAL DATA (-) 7 SNOW PLOW FUSE BLOCK (IF EQUIPPED) (RIGHT FRONT OF ENGINE COMPT) SNOW PLOW FUSE HOLDER SNOW PLOW RELAY UNDERHOOD FUSE BLOCK VIO WIRE VIO/GRN WIRE W/ SNOW PLOW PROVISIONS W/O SNOW PLOW PROVISIONS WHT WIRE WHT/YEL WIRE YEL WIRE

5 VOLT REF A/C COMP SOL VALVE CTRL A/C COMPRESSOR A/C COMPRESSOR CLUTCH A/C COMPRESSOR SOLENOID VALVE AMBIENT LIGHT/SUNLOAD SENSOR ANTI-THEFT SYSTEM AUXILIARY HEATER CTRL BATT POSITIVE VOLT BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLOWER MOTOR (RIGHT SIDE OF DASH) BLOWER MTR SPD CTRL BLOWER SPEED FEEDBACK SIGNAL BLU/BRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE BRN/GRN WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DEFOGGER RLY CTRL DEFOGGER SYSTEM ELECTRICAL AUXILIARY HEATER GRN WIRE GRN/BLU WIRE GRN/YEL WIRE GROUND GRY WIRE GRY/BLU WIRE GRY/GRN WIRE HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED HUMIDITY SENS SIG 2 HUMIDITY TEMP SENS SIG HVAC CONTROL MODULE (BEHIND LEFT CENTER OF DASH) INSIDE AIR TEMP SENS SIGNAL LIN BUS 1 LOGIC LOW SPD GMLAN SERIAL DATA NCA WIRE RED/GRY WIRE RED/VIO WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK RUN IGNITION 3 VOLTAGE SOLAR SENSOR DRIVER SIGNAL SOLAR SENSOR LOW REFERENCE TEMP SENS LOW REF VIO WIRE VIO/BLK WIRE VIO/BRN WIRE VIO/GRY WIRE WHT/BLU WIRE WINDSCREEN TEMP SENS SIG WINDSHIELD TEMPERATURE, INSIDE MOISTURE SENSOR YEL/BLU WIRE YEL/RED WIRE

2.7L TURBO A/C EVAPORATOR TEMPERATURE SENSOR AIR INLET DOOR ACTUATOR AIR INLET DOOR ACTUATOR CTRL 1 AIR INLET DOOR ACTUATOR CTRL 2 AIR INLET DOOR ACTUATOR CTRL 3 AIR INLET DOOR ACTUATOR CTRL 4 AIR TEMPERATURE DOOR LOW REF BATTERY FUSE BLOCK BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BRN WIRE BRN WIRE BRN/GRN WIRE BRN/VIO WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE COOLANT TEMPERATURE GAUGE EVAP TEMP SENSOR SIG GRN/BRN WIRE GRY WIRE GRY/BLU WIRE GRY/GRN WIRE HOT AT ALL TIMES HVAC CONTROL MODULE (BEHIND LEFT CENTER OF DASH) HVAC DOOR ACTUATOR CONTROL INSTRUMENT CLUSTER LEFT AIR TEMPERATURE DOOR ACTUATOR LOGIC LOW SPEED GMLAN SERIAL DATA 2 MODE DOOR ACTUATOR MODE DOOR ACTUATOR CONTROL 1 MODE DOOR ACTUATOR CONTROL 2 MODE DOOR ACTUATOR CONTROL 3 MODE DOOR ACTUATOR CONTROL 4 RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RIGHT AIR TEMPERATURE DOOR ACTUATOR RUN/CRANK IGNITION 1 VOLTAGE SIGNAL GROUND TEMP DOOR ACTUATOR CONTROL 1 TEMP DOOR ACTUATOR CONTROL 2 TEMP DOOR ACTUATOR CONTROL 3 TEMP DOOR ACTUATOR CONTROL 4 TEMP DOOR ACTUATOR CTRL 1 TEMP DOOR ACTUATOR CTRL 2 TEMP DOOR ACTUATOR CTRL 3 TEMP DOOR ACTUATOR CTRL 4 VIO/BLK WIRE VIO/GRN WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/GRN WIRE

6.6L TURBO DIESEL BLK WIRE BLOWER MOTOR BODY CONTROL MODULE BRN WIRE CENTER CONSOLE REAR ACCESSORY POWER RECEPTACLE CENTER CONSOLE REAR USB RECEPTACLE CHARGE IND CTRL CREW CAB EXTENDED CAB DRIVER SEAT ADJUSTER SWITCH DRIVER SEAT LUMBAR SUPPORT SWITCH DRIVER WINDOW MOTOR FROM BATTERY FUSE BLOCK (DIAGRAM 1 OF 10) FROM IGNITION MAIN RELAY (DIAGRAM 8 OF 10) FRONT OVERHEAD CONSOLE ASSEMBLY GRN WIRE GRY/GRN WIRE GRY/VIO WIRE INSTRUMENT PANEL ACCESSORY POWER RECEPTACLE KEYLESS ENTRY CONTROL MODULE LEFT REAR WINDOW SWITCH WINDOW SWITCH LOGIC MAL IND CTRL MOBILE DEVICE WIRELESS CHARGER MODULE NOT USED PASSENGER SEAT LUMBAR SUPPORT SWITCH PASSENGER WINDOW MOTOR PASSENGER WINDOW SWITCH PWR CTRL REAR SEAT ACCESSORY POWER RECEPTACLE REAR SEAT USB RECEPTACLE RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RETAINED ACCESSORY POWER RELAY 1 RETAINED ACCESSORY POWER RELAY 2 RIGHT REAR WINDOW SWITCH SEAT MEMORY CONTROL MODULE VIO WIRE VIO/YEL WIRE W/ ACCESSORY SUPPLY W/ BATTERY SUPPLY W/ EXPRESS UP/DOWN W/ KEYLESS ENTRY W/ MEMORY W/O EXPRESS UP/DOWN W/O KEYLESS ENTRY W/O MEMORY WHT WIRE YEL WIRE

ACC VOLT ANT 1 HI SIG ANT 1 LO SIG ANT 2 HI SIG ANT 2 LO SIG ANT HI SIG ANT LO SIG BATT POSITIVE VOLT 43 BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRV DR ANT HI SIG DRV DR ANT LO SIG DRV DR HANDLE SW SIG DRV DR OPEN SW SIG IGN MODE SW CHALLENGE ACTV SIG IGN MODE SW SIG 2 GRN WIRE GRN/BLK WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/GRN WIRE HOT AT ALL TIMES IGNITION MODE SWITCH INSTRUMENT PANEL COMPARTMENT KEYLESS ENTRY ANTENNA KEYLESS ENTRY CONTROL MODULE LEFT INSTRUMENT PANEL FUSE BLOCK LO SPD GMLAN SERIAL DATA LR DR HANDLE SW SIG PASS DR ANT HI SIG PASS DR ANT LO SIG PASS DR HANDLE SW SIG PASSIVE START SW 2 LO REF PNK WIRE POWER DISTRIBUTION SYSTEM REAR COMPARTMENT KEYLESS ENTRY ANTENNA RED/YEL WIRE RETAINED ACC PWR RELAY 2 COIL CTRL RR DR HANDLE SW SIG RUN/CRANK IGN 1 VOLT STEERING COLUMN LCK SIG VIO WIRE VIO/BLK WIRE VIO/GRY WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/YEL WIRE YEL/BLU WIRE YEL/GRY WIRE

BATT POS BLK WIRE BLK/WHT WIRE BLU/VIO WIRE COMPUTER DATA LINES SYSTEM CRANK DATA DATA 2 (+) DOOR AJAR IND DRIVER EXTERIOR DOOR HANDLE ASSEMBLY DRIVER EXTERIOR DOOR HANDLE SWITCH DRIVER INFORMATION CENTER DISPLAY GMLAN GMLAN SERIAL GND 18 GRN WIRE GRN/BLK WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/GRN WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED ING 1 INSTRUMENT CLUSTER LCK STATUS SIG LEFT FRONT DOOR HANDLE KEYLESS ENTRY ANTENNA LEFT REAR EXTERIOR DOOR HANDLE ASSEMBLY LEFT REAR EXTERIOR DOOR HANDLE SWITCH LO SPD LOCK SIG LOGIC NCA WIRE OFF/ACC VOLT PASSENGER EXTERIOR DOOR HANDLE ASSEMBLY PASSENGER EXTERIOR DOOR HANDLE SWITCH PNK WIRE RED/GRY WIRE RIGHT FRONT PASSENGER DOOR HANDLE KEYLESS ENTRY ANTENNA RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT REAR EXTERIOR DOOR HANDLE ASSEMBLY RIGHT REAR EXTERIOR DOOR HANDLE SWITCH RUN/ SECURITY IND SERIAL STEERING COLUMN LOCK MODULE VIO WIRE VIO/BLK WIRE VIO/GRY WIRE VIO/WHT WIRE VIO/YEL WIRE VOLT 14 VOLT 16 WHT/YEL WIRE YEL/BLU WIRE YEL/GRY WIRE

BK COAX BLK WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BRN/BLK WIRE BRN/YEL WIRE COAX DEFOGGER SYSTEM DOWN DRIVER OUTSIDE REAR VIEW MIRROR CARGO LAMP DRIVER OUTSIDE REAR VIEW MIRROR FORWARD EXTERIOR FLOOD LAMP DRIVER OUTSIDE REAR VIEW MIRROR GLASS DRIVER OUTSIDE REAR VIEW MIRROR LOWER EXTERIOR FLOOD LAMP DRIVER OUTSIDE REAR VIEW MIRROR MOTOR DRIVER OUTSIDE REAR- VIEW MIRROR DRIVER SIDE OBJECT DETECTION INDICATOR DRIVER WINDOW/ OUTSIDE REAR VIEW MIRROR SWITCH GRN/BLK WIRE GRN/VIO WIRE GRY WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/YEL WIRE HOT AT ALL TIMES LEFT LEFT MIDDLE SIDE MARKER LAMP LEFT SIDE VIEW CAMERA LEFT TURN SIGNAL REPEATER LAMP MIRROR DIMMING NAVIGATION SYSTEM PASSENGER OUT SIDE REAR VIEW MIRROR CARGO LAMP PASSENGER OUTSIDE REAR VIEW MIRROR PASSENGER OUTSIDE REAR VIEW MIRROR FORWARD EXTERIOR FLOOD LAMP PASSENGER OUTSIDE REAR VIEW MIRROR GLASS PASSENGER OUTSIDE REAR VIEW MIRROR LOWER EXTERIOR FLOOD LAMP PASSENGER OUTSIDE REAR VIEW MIRROR MOTOR PASSENGER SIDE OBJECT DETECTION INDICATOR RED/VIO WIRE RIGHT RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT MIDDLE SIDE MARKER LAMP RIGHT SIDE VIEW CAMERA RIGHT TURN SIGNAL REPEATER LAMP VIO/BLU WIRE VIO/GRY WIRE W/ AUXILIARY CARGO, CLEAR LAMP W/ LIGHT SENSITIVE REAR VIEW MIRROR W/O AUXILIARY CARGO, CLEAR LAMP W/O LIGHT SENSITIVE REAR VIEW MIRROR WHT WIRE WHT/VIO WIRE YEL/BRN WIRE YEL/VIO WIRE YEL/WHT WIRE

BATT POS VOLT BLK WIRE BLK/GRY WIRE BLU WIRE BODY CONTROL MODULE (UNDER LEFT SIDE OF DASH) BRN/GRN WIRE BRN/GRY WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY GRY WIRE GRY/GRN WIRE GRY/VIO WIRE HI LO HOT AT ALL TIMES INSTRUMENT CLUSTER LO WASHER FLUID IND CTRL LOGIC LOW REF MIST MIST HI OFF LO INT INT MTR PARK SW SIG OFF RED WIRE RED/BRN WIRE RED/WHT WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK SERIAL DATA (-) (1) SERIAL DATA 2 TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK VIO WIRE WASHER RLY CTRL WASHER SW SIG WASHER SWITCH WHT WIRE WHT/BLK WIRE WHT/VIO WIRE WINDSHIELD WASHER FLUID LEVEL SWITCH WINDSHIELD WASHER PUMP WINDSHIELD WASHER PUMP RELAY WINDSHIELD WIPER MOTOR WINDSHIELD WIPER MTR RLY COIL SUPPLY VOLT WINDSHIELD WIPER RELAY WINDSHIELD WIPER SPEED CONTROL RELAY WINDSHIELD WIPER SW HI SIG WIPER SW HI SIG WIPER SW LOW SIG WIPER SWITCH YEL/BLU WIRE YEL/BRN WIRE