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

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

"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

A/C COMPRESSOR CLUTCH RELAY AUXILIARY COOLANT PUMP RELAY BATTERY FUSE BLOCK BLK/BLU WIRE BLK/GRN WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/WHT WIRE ENGINE CONTROLS IGNITION RELAY ENGINE COOLANT BYPASS VALVE ENGINE COOLANT FLOW CONTROL VALVE ENGINE COOLANT TEMPERATURE SENSOR 1 EXHAUST CAMSHAFT PROFILE SLEEVE POSITION SENSOR 1 EXHAUST CAMSHAFT PROFILE SLEEVE POSITION SENSOR 2 FUEL PRESSURE, TEMPERATURE SENSOR GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/BRN WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INTAKE CAMSHAFT PROFILE SLEEVE POSITION SENSOR 1 INTAKE CAMSHAFT PROFILE SLEEVE POSITION SENSOR 2 LOGIC RED/BRN WIRE RED/GRN WIRE UNDERHOOD FUSE BLOCK VIO/BLK WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/VIO WIRE YEL/WHT WIRE

BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/RED WIRE BLU/WHT WIRE BRAKE PEDAL POSITION SENSOR BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/WHT WIRE DRIVER MODE SELECT SWITCH ENGINE COOLANT TEMPERATURE SENSOR 2 ENGINE COOLANT TEMPERATURE SENSOR 4 ENGINE COOLANT TEMPERATURE SENSOR 5 ENGINE COOLANT TEMPERATURE SENSOR 6 ENGINE OIL PRESSURE SENSOR EXHAUST CAMSHAFT PROFILE ACTUATOR 2 EXHAUST CAMSHAFT PROFILE ACTUATOR 3 GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/BRN WIRE GRY/VIO WIRE INTAKE CAMSHAFT PROFILE ACTUATOR 1 INTAKE CAMSHAFT PROFILE ACTUATOR 2 INTAKE CAMSHAFT PROFILE ACTUATOR 3 INTAKE CAMSHAFT PROFILE ACTUATOR 4 TURBOCHARGER BOOST SENSOR TURBOCHARGER BYPASS SOLENOID VALVE VIO WIRE VIO/BLK WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/GRY WIRE WHT WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/VIO WIRE

A/C REFRIGERANT PRESSURE SENSOR ACTUATOR CTRL CLOSE ACTUATOR CTRL HI ACTUATOR CTRL LOW ACTUATOR CTRL OPEN AIR TEMP SENS 2 SIG BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAM POSI EXHAUST SENS 1 CANISTER PURGE SOL CTRL CHARGE IND CTRL COOLANT TEMP SENS 3 SIG CRANKSHAFT POSI SENS CRANKSHAFT POSITION SENSOR ENGINE CONTROL MODULE EVAPORATIVE EMISSION PURGE SOLENOID VALVE EXHAUST SENS LOW REF 1 EXHAUST SOLENOID (1) GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/RED WIRE GRY/VIO WIRE GRY/WHT WIRE HEATED OXYGEN SENSOR 2 HI SIG BANK 1 SENS (2) HI VOLT CTRL CYLINDER 2 HI VOLT CTRL CYLINDER 4 HI VOLT SPLY CYLINDER 2 HI VOLT SPLY CYLINDER 4 IGNITION CONTROL 2 IGNITION CONTROL 4 INLET COOLANT TEMP SIG INTAKE MANIFOLD PRESSURE, AIR TEMPERATURE SENSOR INTAKE SENS LOW REF 1 INTAKE SOLENOID (1) KNOCK SENS LOW REF 1 KNOCK SENS LOW REF 2 KNOCK SENSOR SIGNAL 1 KNOCK SENSOR SIGNAL 2 LOGIC LOW CTRL BANK 1 SENS 2 LOW REFERENCE BANK 1 LOW SIG BANK 1 SENS 2 MOTOR CLOSE CONTROL MOTOR OPEN CONTROL NCA WIRE OUTLET COOLANT TEMP SIG POSI SENS LOW REF PRESS SENS SIG REPLICATED SIG SENS LOW REF 1 SENSOR LOW REFERENCE SOL CTRL 2 SOL CTRL BANK 1 SOUND SYSTEMS STARTING/ CHARGING SYSTEM TURBO BYPASS TURBOCHARGER WASTEGATE ACTUATOR VIO WIRE VIO/BLK WIRE VIO/BLU WIRE VIO/BRN WIRE VIO/GRN WIRE VIO/GRY WIRE W LOW REFERENCE WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRY WIRE WHT/RED WIRE WHT/YEL WIRE X LOW REFERENCE YEL WIRE YEL/BLU WIRE YEL/BRN 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