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

2.7L TURBO EXCEPT 2.7L TURBO, 3.0L TURBO DIESEL 3.0L TURBO DIESEL 3.0L 3.0L TURBO DIESEL 5.3L, 6.2L AUXILIARY HEATER COOLANT PUMP RELAY BATTERY FUSE BLOCK BATTERY POSITIVE VOLTAGE BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BRN WIRE BRN/GRY WIRE BRN/YEL WIRE CABIN HEATER COOLANT MOTOR CTRL COMPUTER DATA LINES SYSTEM COOL DIVERTER VAL ACT CTRL HI COOL DIVERTER VAL ACT CTRL LOW COOL DIVERTER VAL POS SENS LOW REF COOLANT TEMP SENS 2 SIG DRIVER INFORMATION CENTER DISPLAY ENGINE BLOCK COOLANT TEMP SIG ENGINE CONTROL MODULE (BEHIND LEFT HEADLAMP ASSEMBLY) ENGINE CONTROLS IGNITION RELAY ENGINE COOLANT TEMP SENS 3 SIG ENGINE COOLANT TEMP SENS SIG ENGINE COOLANT TEMPERATURE GAUGE ENGINE COOLANT TEMPERATURE SENSOR 2 ENGINE COOLANT TEMPERATURE SENSOR 3 ENGINE COOLANT TEMPERATURE SENSOR 4 ENGINE CTRL SENS 5 VOLT REF (2) ENGINE CTRL SENS LOW REF (3) ENGINE CTRL SENS LOW REF 1 ENGINE CTRL SENS LOW REF 2 ENGINE INLET COOLANT TEMP SIG ENGINE OUTLET COOLANT TEMP SIG GRN WIRE GRY WIRE GRY/VIO WIRE HEATER CORE INLET TEMP SIG HEATER CORE OUTLET TEMP SIG HI SPD COOLING FAN RELAY CTRL HI SPD GMLAN SERIAL DATA (+) (3) HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT CLUSTER LOGIC LOW SPEED GMLAN SERIAL DATA 2 RADIATOR COOLANT TEMPERATURE SENSOR RED WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK RUN/CRANK IGNITION 1 VOLTAGE SIGNAL GROUND UNDERHOOD FUSE BLOCK VIO WIRE VIO/BLK WIRE VIO/BLU WIRE VIO/YEL WIRE WHT WIRE WHT/RED WIRE YEL/BLK WIRE YEL/BLU 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

BATT POS VOLT BLK WIRE BLK/GRN WIRE BLK/VIO WIRE BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENDGATE REL SW ANALOG SIG INTERIOR ENDGATE REL SW DISCRETE SIG EXTERIOR EXTERIOR PICKUP BOX ENDGATE CONTROL SWITCH GRN WIRE GRN/BLK WIRE GRY WIRE GRY/BLK WIRE GRY/VIO WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER LEFT INSTRUMENT PANEL FUSE BLOCK LEFT PICKUP BOX ENDGATE LATCH LOCAL INTERCONNECT NETWORK SERIAL DATA BUS 12 LOGIC LOW SPEED GMLAN SERIAL DATA ORG/WHT WIRE PICKUP BOX ENDGATE CONTROL MODULE (IN UPPER LEFT SIDE OF ENDGATE) PICKUP BOX ENDGATE POWER ASSIST ACTUATOR (LOWER RIGHT CORNER OF ENDGATE) PNK WIRE PNK/BLK WIRE REAR CLOSURE CINCH LATCH MTR 2 CINCH CTRL REAR CLOSURE CINCH LATCH MTR 2 REL CTRL REAR CLOSURE CINCH LATCH MTR CLOSE CTRL REAR CLOSURE CINCH LATCH MTR OPEN CTRL REAR CLOSURE CLUTCH CTRL REAR CLOSURE CLUTCH RETURN REAR CLOSURE LATCH 2 PAWL STATUS REAR CLOSURE LATCH 2 RACHET STATUS REAR CLOSURE LATCH 2 SECTOR STATUS REAR CLOSURE LATCH 2 UNLATCH STATUS REAR CLOSURE LATCH PAWL STATUS SIG REAR CLOSURE LATCH RATCHET STATUS REAR CLOSURE LATCH UNLATCH STATUS REAR CLOSURE OBJECT SENS LOW REF REAR CLOSURE OPEN SWITCH SIG REAR CLOSURE OPEN/CLOSE MTR CLOSE CTRL REAR CLOSURE OPEN/CLOSE MTR OPEN CTRL REAR CLOSURE POSITION SENS LOW REF REAR CLOSURE POSITION SENS SIG 1 REAR CLOSURE POSITION SENS SIG 2 REAR CLOSURE POSITION SENS VOLTAGE REF REAR CLOSURE SENS LOW REF 2 RED/GRY WIRE RIGHT PICKUP BOX ENDGATE LATCH VEHICLE STABILITY CONTROL SWITCH VIO WIRE WHT WIRE YEL WIRE YEL/RED WIRE

BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/YEL WIRE BRN/YEL WIRE COAX COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DOWN DRIVER SEAT MEMORY SWITCH EXIT GRN WIRE GRN/BLK WIRE GRN/VIO WIRE GRN/WHT WIRE GRY WIRE GRY/BRN WIRE GRY/GRN WIRE HOT AT ALL TIMES LEFT LOGIC LOW REF NAVIGATION SYSTEM NETWORK BUS 8 PASSENGER OUTSIDE REAR VIEW MIRROR PASSENGER OUTSIDE REAR VIEW MIRROR CARGO LAMP PASSENGER OUTSIDE REAR VIEW MIRROR FOLDING MOTOR 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 PASSENGER WINDOW SWITCH POSITIVE VOLT RED/BRN WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT MIDDLE SIDE MARKER LAMP RIGHT SIDE VIEW CAMERA RIGHT TURN SIGNAL REPEATER LAMP RWD SEAT MEMORY CONTROL MODULE SET SIG SET- SWITCH SIG 1 VIO/WHT WIRE W/ AUXILIARY CARGO, CLEAR LAMPS W/ LIGHT SENSITIVE REAR VIEW MIRROR W/O AUXILIARY CARGO, CLEAR LAMPS W/O LIGHT SENSITIVE REAR VIEW MIRROR WHT WIRE WHT/VIO WIRE YEL WIRE YEL/RED WIRE YEL/VIO WIRE YEL/WHT WIRE

"CHECK ENGINE" IND CTRL A/C COMPRESSOR CLTH RLY CTRL A/C REFRIGERANT PRESS SENS SIG ACC WAKEUP SER DATA ACCELERATOR PEDAL POSI LOW REF 1 ACCELERATOR PEDAL POSI LOW REF 2 ACCELERATOR PEDAL POSI SIG 1 ACCELERATOR PEDAL POSI SIG 2 ACCELERATOR PEDAL POSITION SENSOR AIR CONDITIONING SYSTEM AMBIENT AIR TEMPERATURE SENSOR ANTI-THEFT SYSTEM BATT POS VOLT BLK/BLU WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BRK POS SENS SIG BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAMSHAFT CAM W SIGNAL CAMSHAFT CAM X SIGNAL CAMSHAFT CAM Z CONTROL CAMSHAFT CAM Z SIGNAL CAMSHAFT STEPPER A CONTROL CAMSHAFT STEPPER B CONTROL CAMSHAFT STEPPER C CONTROL CAMSHAFT STEPPER D CONTROL CAMSHAFT STEPPER POSI SENS 1 SIG CAMSHAFT STEPPER POSI SENS 2 SIG CAMSHAFT STEPPER POSI SENS 3 SIG CAMSHAFT STEPPER POSI SENS 4 SIG CAMSHAFT STEPPER POSI SENS SIG COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM CRUISE CONTROL SYSTEM CRUISE/ETC/TCC BRAKE SIG ENGINE CONTROL MODULE (BEHIND LEFT HEADLAMP ASSEMBLY) EXHAUST LOBE AXIAL POSI SIG 1 EXHAUST LOBE AXIAL POSI SIG 2 FUEL PRESSURE SENSOR FUEL PUMP PRIMARY RELAY CONTROL GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/BRN WIRE HEATER CORE OUTLET TEMP SIG HI SPD COOLING FAN RLY CTRL HI SPD GMLAN SERIAL DATA (+) (3) HI SPD GMLAN SERIAL DATA (-) (1) HI SPD GMLAN SERIAL DATA (-) 7 HOOD STATUS A SIG INTAKE LOBE AXIAL POSI SIG 1 INTAKE LOBE AXIAL POSI SIG 2 LIN BUS 32 MASS AIR FLOW SENS SIG MULTI-FUNCTION INTAKE AIR SENSOR OUTSIDE AMBIENT AIR TEMP SENS SIG POWERTRAIN MAIN RLY FUSED SPLY 2 POWERTRAIN MOUNT SOL CTRL 1 POWERTRAIN RLY COIL CTRL RED/BRN WIRE RUN/CRANK IGN 1 VOLT SIG GND POWERTRAIN MAIN RLY FUSED SPLY 1 STARTER ENABLE RLY CTRL STARTER PINION SOL RLY CTRL STARTING/CHARGING SYSTEM STEP CAM A CTRL STEP CAM B CTRL VIO/BLK WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/VIO WIRE YEL/WHT WIRE

ACTIVE GRILLE AIR SHUTTER 1 ACTUATOR LOGIC ACTIVE GRILLE AIR SHUTTER 2 ACTUATOR LOGIC ACTUATOR HIGH CTRL ACTUATOR LOW CTRL BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/GRY WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE BUS 21 COMPUTER DATA LINES SYSTEM CTRL DATA DATA 2 (+) DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE ENGINE OIL IND EVAPORATIVE EMISSION PURGE PUMP EXHAUST CAMSHAFT POSITION ACTUATOR SOLENOID VALVE EXHAUST SENS CTRL 1 FIELD DUTY CYCLE SIG FUEL GAUGE IND GMLAN GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRY WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/YEL WIRE HI VOLT CTRL CYLINDER 1 HI VOLT CTRL CYLINDER 3 HI VOLT SPLY CYLINDER 1 HI VOLT SPLY CYLINDER 3 IGNITION CONTROL 1 IGNITION CONTROL 3 IND INSTRUMENT CLUSTER INTAKE CAMSHAFT POSITION ACTUATOR SOLENOID VALVE INTAKE SENS CTRL 1 KNOCK SENSOR #2 KNOCK SENSOR 1 LO SPD LOGIC MAIN RLY FUSED SPLY (1) MALFUNCTION IND LAMP OIL PUMP COMMAND SIG OIL PUMP MOTOR CTRL POSI INTAKE SENS 1 SER SERIAL STARTING/ CHARGING SYSTEM VIO/BLK WIRE VIO/BLU WIRE VIO/BRN WIRE VIO/GRN WIRE VIO/GRY WIRE WHT WIRE WHT/GRY WIRE WHT/RED WIRE YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/VIO WIRE

BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLU WIRE BLU/GRY WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/WHT WIRE BRN/YEL WIRE ENGINE OIL PRESSURE CONTROL SOLENOID VALVE FUEL INJECTOR 1 FUEL INJECTOR 2 FUEL INJECTOR 3 FUEL INJECTOR 4 GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRY/BLU WIRE GRY/VIO WIRE GRY/YEL WIRE HIGH PRESSURE FUEL PUMP HOT AT ALL TIMES IGNITION COIL 1 IGNITION COIL 2 IGNITION COIL 3 IGNITION COIL 4 LEFT ENGINE MOUNT SOLENOID VALVE NCA WIRE RED/GRN WIRE RIGHT ENGINE MOUNT SOLENOID VALVE RIGHT INSTRUMENT PANEL FUSE BLOCK SPARK PLUG VIO/BLK WIRE VIO/BLU WIRE VIO/GRN WIRE WHT WIRE WHT/RED WIRE YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/VIO WIRE

BATT POS VOLT BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLU/BRN WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE COMPUTER DATA LINES SYSTEM EVAPORATIVE EMISSION VENT SOLENOID VALVE EXHAUST CAMSHAFT POSITION SENSOR FUEL LEVEL SENS LOW REF FUEL LEVEL SENSOR FUEL PUMP FUEL PUMP CONTROL FUEL PUMP DRIVER CONTROL MODULE (UNDER REAR OF VEHICLE, ABOVE SPARE TIRE) FUEL PUMP, LEVEL SENSOR ASSEMBLY FUEL TANK PRESSURE SENSOR GRN/GRY WIRE GRY WIRE GRY/BLU WIRE GRY/VIO WIRE GRY/YEL WIRE HI SPD GMLAN SER DATA (-) 7 HOT AT ALL TIMES INTAKE CAMSHAFT POSITION SENSOR POWER DISTRIBUTION SYSTEM PRESS SENS LOW REF PRESS SENS SIG PRIMARY FUEL LVL SENS SIG PRIMARY RLY CTRL RED/VIO WIRE RED/WHT WIRE RUN/CRANK IGN 1 VOLT SENS BUS ENABLE SHIELD GND SPLY VOLT PHASE 2 SPLY VOLT PHASE 3 UNDERHOOD FUSE BLOCK VENT SOL CTRL VIO/BLK WIRE VIO/BLU WIRE VIO/GRN WIRE WHT WIRE WHT/BRN WIRE WHT/RED WIRE YEL WIRE YEL/BRN WIRE YEL/GRY WIRE YEL/RED WIRE YEL/VIO 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