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

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

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

"CHECK ENGINE" IND CTRL A/C COMPRESSOR CLU RLY CTRL A/C REF PRESS SENS SIG AIR CONDITIONING SYSTEM ANTI-THEFT SYSTEM APP LOW REF 2 APP SIG (2) BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/RED WIRE BRK POS SENS SIG BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CKP DIFF PRESS SENS SIG COMPUTER DATA LINES SYSTEM COOL FAN HI SPD RLY CTRL COOLING FANS SYSTEM CRUISE CONTROL SYSTEM CRUISE/ETC/TCC BRAKE SIG DRIVELINE MOUNT ACT 1 CTRL DRIVER INFORMATION CENTER DISPLAY DRIVER MODE 2 SW SIG EGR DIFF PRESS SIG ENGINE CONTROL MODULE (BEHIND LEFT HEADLAMP ASSEMBLY) ENGINE OIL IND EXHAUST RESTRICTOR MOTOR CLOSE CTRL EXHAUST RESTRICTOR MOTOR OPEN CTRL FHPP LOW ENABLE SIG FUEL GAUGE IND FUEL PRESSURE REGULATOR 1 FUEL PRESSURE REGULATOR 3 GRN WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/GRN WIRE HIGH PRESSURE FUEL PUMP HIGH SPEED GMLAN SERIAL DATA (+) 3 HIGH SPEED GMLAN SERIAL DATA (+) 7 HIGH SPEED GMLAN SERIAL DATA (-) (1) HOOD STATUS A SIG HPFP HIGH SIDE CTRL WAKE-UP SER DATA HPFP LO ENABLE SIG IGN IGN MOD SW MOD CTRL BACKUP INSTRUMENT CLUSTER INTAKE MANIFOLD RUNNER VALVE ACT CTRL LO SPD GMLAN LOGIC LOW REF 1 COOL FLOW CTRL VALVE POS SIG MALFUNCTION IND LIGHT MASS AIR FLOW SENS SIG OIL PRESS SENS SIG POWERTRAIN RELAY COIL CONTROL PWR MAIN RLY FUSED SPLY (2) RED/BRN WIRE RGR VLV HIGH CTRL RGR VLV LOW CTRL SEC FUSED BATTERY POSITIVE VOLT 4 SENS MTR CLOSE CTRL SENS MTR OPEN CTRL STARTER PINION SOL ACTUATOR RELAY CTRL STARTING/CHARGING SYSTEM TRANSMISSIONS SYSTEM TURBOCHARGER VANE POSITION ACTUATOR VIO/BLK WIRE VIO/BLU WIRE VIO/GRY WIRE VIO/YEL WIRE WAIT TO START IND WAIT TO START IND CTRL WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE WHT/VIO WIRE YEL WIRE YEL/BRN WIRE YEL/GRY WIRE YEL/VIO WIRE

A/C REFRIGERANT PRESSURE SENSOR ACCELERATOR PEDAL POSITION SENSOR AUXILIARY UNDERHOOD FUSE BLOCK CHARGE AIR COOLER COOLANT PUMP RELAY BATTERY FUSE BLOCK BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/RED WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/RED WIRE DRIVE MODE SELECT SWITCH ENGINE CONTROLS IGNITION RELAY EXHAUST FLOW CONTROL VALVE ACTUATOR GRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/BRN WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED MULTI-FUNCTION INTAKE AIR SENSOR RED/BRN WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE UNDERHOOD FUSE BLOCK VIO/BLK WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/YEL WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE WHT/VIO WIRE YEL WIRE YEL/BRN WIRE YEL/GRY WIRE YEL/WHT WIRE

BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE APPLY BRAKE PEDAL POSITION SENSOR BRN WIRE BRN/BLU WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM CRANKCASE PRESSURE SENSOR CYLINDER HEAD TEMPERATURE SENSOR DATA 1 (+) ENGINE COOLANT TEMPERATURE SENSOR 5 EXHAUST GAS RECIRCULATION EXHAUST PRESSURE DIFFERENTIAL SENSOR EXHAUST PARTICULATE MATTER SENSOR FUEL PUMP FUEL PUMP, LEVEL SENSOR ASSEMBLY GMLAN SERIAL GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/VIO WIRE HI SPD GMLAN HIGH SPD INTAKE MANIFOLD PRESSURE, AIR TEMPERATURE SENSOR LOGIC NITROGEN OXIDES SENSOR 1 NITROGEN OXIDES SENSOR 2 NITROGEN OXIDES SENSOR 3 RED/VIO WIRE RED/WHT WIRE SENS CTRL SENS LO REF SENS SIG SERIAL THROTTLE BODY (LEFT OF VALVE COVER) VIO/BLU WIRE VIO/GRN WIRE VIO/GRY WIRE WHT WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/GRY WIRE

AUXILIARY UNDERHOOD FUSE BLOCK BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/VIO WIRE BRN/YEL WIRE CLUSTER SYSTEM COMPUTER DATA FUEL FILTER TEMP SENS LO REF FUEL FILTER TEMP SIG FUEL HEATER RELAY FUEL HEATER/WATER IN FUEL SENSOR (UNDER VEHICLE, ABOVE SPARE TIRE) FUEL LEVEL SENS LOW REF FUEL PMP ASSEMBLY SHD GND FUEL PRESSURE SENS LOW REF FUEL PRESSURE SENS SIG FUEL PRESSURE SENSOR FUEL PUMP CTRL FUEL PUMP DRIVER CONTROL MODULE FUEL PUMP PRIMARY RELAY CTRL FUEL PUMP SPLY VOLT PHASE 2 FUEL PUMP SPLY VOLT PHASE 3 GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE HI SPD GMLAN SER DATA (-) 7 HOT AT ALL TIMES INSTRUMENT LINES SYSTEM LOGIC NCA WIRE POWER DISTRIBUTION SYSTEM PRIMARY FUEL LEVEL SENS SIG RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE REDUCTANT CONTROL MODULE RELAY 1 REDUCTANT CONTROL MODULE RELAY 2 RUN/CRANK IGNITION 1 VOLT 4 SEC FSD BATT POSITIVE VOLT VIO/BLU WIRE VIO/GRN WIRE WAKE UP SIG WHT WIRE WHT/BRN WIRE WHT/RED WIRE WIF SENS LOW REF WIF SENS SIG WIF SENS VOLT REF YEL/GRY WIRE

BATTERY POSITIVE VOLT BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/YEL WIRE BLU/BRN WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BRN WIRE BRN/WHT WIRE CLUSTER CLUSTER SYSTEM COMPUTER DATA COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE OIL IND ENGINE OIL PRESSURE SENSOR EVAP CANISTER VENT SOL CTRL EVAPORATIVE EMISSION PURGE SOLENOID VALVE FUEL GAUGE IND FUEL LEVEL SENS LO REF FUEL LEVEL SENSOR FUEL PUMP FUEL PUMP CTRL FUEL PUMP DRIVER CONTROL MODULE (UNDER REAR OF VEHICLE, ABOVE SPARE TIRE) FUEL PUMP PRIMARY RELAY CTRL FUEL PUMP SPLY VOLT PHASE 2 FUEL PUMP SPLY VOLT PHASE 3 FUEL PUMP, LEVEL SENSOR ASSEMBLY FUEL SYS CTRL MOD SHIELD GND FUEL TANK PRESS SENS SIG FUEL TANK PRESSURE SENSOR FUEL TANK VAPOR GMLAN GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/GRN WIRE HI SPEED GMLAN SER DATA (-) 7 IGN INSTRUMENT INSTRUMENT CLUSTER LINES SYSTEM LO SPD LOGIC MALFUNCTION IND LIGHT POWERTRAIN SENS BUS ENABLE PRESS SENS LO REF PRIMARY FUEL LEVEL SENS SIG RED/BRN WIRE RED/VIO WIRE RUN/CRANK IGNITION 1 VOLT SYSTEM VIO/BLU WIRE VIO/GRN WIRE WHT WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BRN WIRE YEL/GRY WIRE YEL/RED WIRE

BLK/BRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE BRAKE APPLY BRAKE PEDAL POSITION SENSOR BRN/WHT WIRE COMPUTER COMPUTER DATA LINES SYSTEM DATA 1 (+) DATA LINES ENGINE CONTROL MODULE ENGINE CTRL ENGINE CTRL SENS LO REF 1 ENHANCED DRV MODE 2 SW SIG GMLAN SERIAL GRN/BLU WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/WHT WIRE HEATED OXYGEN HEATED OXYGEN SENS HEATED OXYGEN SENS HEATER HEATED OXYGEN SENSOR BANK 1 SENSOR 1 HEATED OXYGEN SENSOR BANK 1 SENSOR 2 HEATED OXYGEN SENSOR BANK 2 SENSOR 1 HEATED OXYGEN SENSOR BANK 2 SENSOR 2 HI SIG BANK 1 SENS (1) HI SIG BANK 2 SENS 2 HI SPD GMLAN HIGH SPD IGNITION CTRL 2 IGNITION CTRL 3 IGNITION CTRL LO REF BANK 2 KNOCK SENS LO REF KNOCK SENS LO REF 1 LIN SERIAL DATA BUS 21 LO CTRL BANK 1 SENS (1) LO CTRL BANK 1 SENS (2) LO CTRL BANK 2 SENS 1 LO CTRL BANK 2 SENS 2 LO SIG BANK 1 SENS 1 LO SIG BANK 2 SENS 1 LO SIG BANK 2 SENS 2 LOCAL INTERCONNECT NETWORK MAIN RELAY FUSED SPLY 5 NCA WIRE OIL PUMP COMMAND SIG POWERTRAIN POWERTRAIN MAIN RED/BRN WIRE RED/VIO WIRE RELAY FUSED SPLY 1 SENS 5 VOLT REF 2 SENS CTRL SENS HI SIG BANK 2 SENS 1 SENS LO REF SENS SIG SERIAL SYSTEM SYSTEMS THROTTLE ACTR CTRL CLOSE TRANSMISSIONS TRANSMISSIONS SYSTEM VIO/BLU WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE YEL/WHT WIRE

BATTERY FUSE BLOCK BATTERY POSITIVE VOLT BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU/BRN WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE CLUSTER CLUSTER SYSTEM COMPUTER DATA EVAPORATIVE EMISSION VENT SOLENOID VALVE FUEL LEVEL SENSOR FUEL PRESSURE SENSOR FUEL PUMP FUEL PUMP CONTROL FUEL PUMP DRIVER CONTROL MODULE (UNDER REAR OF VEHICLE, ABOVE SPARE TIRE) FUEL PUMP, LEVEL SENSOR ASSEMBLY FUEL SYS CTRL MOD FUEL TANK PRESSURE SENSOR GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GROUND GRY WIRE HOT AT ALL TIMES IGNITION COIL 2 IGNITION COIL 4 IGNITION COIL 6 IGNITION COIL 8 INSTRUMENT LEVEL SENS SIG LINES SYSTEM NCA WIRE PRESSURE SENS SIG PRIMARY RELAY CTRL PWR SENS BUS ENABLE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE SENS LOW REF SERIAL DATA (-) 7 SHIELD GND SPARK PLUG SUPPLY VOLT PHASE 2 SUPPLY VOLT PHASE 3 SYSTEM VENT SOL CTRL VIO/BLU WIRE VIO/GRN WIRE VIO/WHT WIRE WHT WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE YEL/BLU WIRE YEL/GRY WIRE YEL/RED WIRE

5 V REF 2 ACTUATOR CONTROL CLOSE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BRAKE PEDAL POSITION SENSOR BRN WIRE BRN/BLU WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DRIVER MODE 2 SW SIG ENGINE CONTROL MODULE ENGINE COOLANT TEMPERATURE SENSOR EVAPORATIVE EMISSION PURGE SOLENOID VALVE FUEL COMPOSITION SENSOR GRN/BLU WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/WHT WIRE HEATED OXYGEN SENSOR BANK 1 SENSOR 1 HEATED OXYGEN SENSOR BANK 1 SENSOR 2 HEATED OXYGEN SENSOR BANK 2 SENSOR 1 HEATED OXYGEN SENSOR BANK 2 SENSOR 2 HIGH SIG BANK 1 SENS 1 HIGH SIG BANK 2 SENS 1 HIGH SIG BANK 2 SENS 2 IGNITION CONTROL 3 IGNITION CONTROL 5 IGNITION CTRL 4 IGNITION CTRL 6 KNOCK SENSOR LOW REF 1 KNOCK SENSOR LOW REF 2 LOW CTRL BANK 1 SENS 1 LOW CTRL BANK 1 SENS 2 LOW CTRL BANK 2 SENS (1) LOW CTRL BANK 2 SENS (2) LOW REF (1) LOW REF BANK 2 LOW SIG BANK 1 SENS (1) LOW SIG BANK 2 SENS (2) LOW SIG BANK 2 SENS 1 NCA WIRE OIL PUMP COMMAND SIG PWR MAIN RLY FUSED SPLY 1 PWR MAIN RLY FUSED SPLY 5 SERIAL DATA BUS 21 SERIAL DATA BUS 22 SOLENOID CTRL (5) SOLENOID CTRL 3 SOLENOID CTRL 6 SOLENOID ENABLE (4) SOLENOID ENABLE (5) SOLENOID ENABLE (6) TRANSMISSIONS SYSTEM VIO WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE WHT/VIO WIRE WHT/YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/WHT WIRE