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

AMBIENT AIR TEMPERATURE SENSOR BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLOCK ENGINE COOLANT FLOW CONTROL VALVE BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE DFI HI VOLT CTRL CYL 1 DFI HI VOLT CTRL CYL 2 DFI HI VOLT CTRL CYL 5 DFI HI VOLT CTRL CYL 6 DIESEL PARTICULATE FILTER EXHAUST DIFFERENTIAL PRESSURE SENSOR EGR TEMP SENS 3 SIG ENGINE BLOCK TEMP SENS SIG ENGINE CONTROL MODULE ENGINE COOLANT BYPASS VALVE ENGINE COOLANT FLOW CONTROL VALVE ENGINE COOLANT TEMPERATURE SENSOR 4 ENGINE OIL PRESSURE SENSOR EXHAUST GAS TEMP SENS 1 SIG EXHAUST GAS TEMP SENS 3 LOW REF EXHAUST GAS TEMP SENS 3 SIG EXHAUST TEMP SENS 2 LOW REF EXHAUST TEMP SENS 2 SIG EXHAUST TEMPERATURE SENSOR 2 EXHAUST TEMPERATURE SENSOR 3 FRP SENS 2 SIG FRP SENS SIG FUEL RAIL PRESSURE SENSOR GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/GRN WIRE GRY/VIO WIRE INTAKE MANIFOLD TUNING SOLENOID VALVE LOGIC MAIN ENGINE COOLANT FLOW CONTROL VALVE MAP SENS SIG NCA WIRE ORG/ WIRE RED/VIO WIRE RED/WHT WIRE THROTTLE ACT CLOSE CTRL THROTTLE ACT OPEN CTRL TRANSMISSION RANGE SENSOR AUTOMATIC TRANSMISSION ASSEMBLY VAR SWIRL VLV CLOSE CTRL VAR SWIRL VLV OPEN CTRL VIO/BLU WIRE VIO/GRN WIRE VIO/GRY WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE YEL WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/GRY 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

5-VOLT REFERENCE ACTIVE GRILLE AIR SHUTTER 1 ACTUATOR ACTIVE GRILLE AIR SHUTTER 2 ACTUATOR BATTERY POSITIVE VOLT BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/YEL WIRE COMPUTER DATA COMPUTER DATA LINES SYSTEM ENGINE COOLANT TEMPERATURE SENSOR 3 GRN/VIO WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/BRN WIRE HEATER CONTROL LOW HEATER CTRL IGN IGNITION 1 VOLTAGE 4 LINE HEATER CTRL LINE HEATER LOW CTRL LINES SYSTEM LOGIC LOW REF POSITIVE VOLTAGE 34 PRESSURE SENSOR SIG RADIATOR COOLANT TEMPERATURE SENSOR RED WIRE RED/WHT WIRE REDUCTANT LINE HEATER REDUCTANT PRESSURE SENSOR REDUCTANT PUMP REDUCTANT SENSOR MODULE REDUCTANT TANK HEATER REDUCTANT TEMPERATURE SENSOR SENSOR 5 VOLT REF 1 SENSOR FEEDBACK SIG SERIAL DATA (-) (1) SERIAL DATA (-) 7 SERIAL DATA BUS- SMART PUMP CONTROL TANK 2 HEATER CTRL TANK HEATER LOW CTRL TEMP SENSOR SIG VIO/BLU WIRE VIO/GRN WIRE VOLTAGE PHASE 2 VOLTAGE PHASE 3 WAKE UP SERIAL DATA WAKE UP SIG WHT WIRE YEL WIRE YEL/BLK WIRE

BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/WHT WIRE BRN/YEL WIRE CAC INLET TEMP SENS LOW REF CAC INLET TEMP SENS SIG CAMSHAFT POSITION SENSOR CHARGE AIR COOLER INLET TEMPERATURE SENSOR CHARGE IND CTRL OIL TEMP SENS SIG COMPUTER DATA LINES SYSTEM COOL DRV VLV ACT CTRL CLOSE COOL DRV VLV ACT CTRL OPEN COOL TEMP SENS 2 SIG COOLING FANS SYSTEM CRANKSHAFT POSITION SENSOR DEF DISING VLV LOW CTRL DEF DOSING VALVE HIGH CTRL DFI HI VOLT CTRL CYL 3 DFI HI VOLT CTRL CYL 4 DFI HI VOLT SPLY CYL 3 DFI HI VOLT SPLY CYL 4 DRIVELINE MOUNT ACT 2 CTRL ECM LIN BUS 1 ECM LIN BUS 2 ECM LIN BUS 4 EGR 2 VLV CLOSE CTRL EGR 2 VLV OPEN CTRL EGR 2 VLV POS SENS SIG EGR TEMP SENS 2 SIG ENG CTRL SENS LOW REF 1 ENG CTRL SENS LOW REF 2 ENG INLET COOL TEMP SIG ENG METAL TEMP SENS SIG 2 ENG OIL PMP CTRL ENG OUTLET COOL TEMP SIG ENGINE CONTROL MODULE (BEHIND LEFT HEADLAMP ASSEMBLY) ENGINE COOLANT TEMPERATURE SENSOR 1 ENGINE COOLANT TEMPERATURE SENSOR 2 ENGINE OIL PRESSURE CONTROL SOLENOID VALVE EXHAUST CMP 1 EXHAUST CMP 1 VOLT REF EXHAUST CMP LOW REF 1 EXHAUST GAS RECIRCULATION VALVE 2 FRP SOL VLV CTRL FRP SOL VLV LOW REF FUEL HEATER CTRL FUEL INJECTOR 3 FUEL INJECTOR 4 FUEL PRESSURE REGULATOR 2 GRN WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/YEL WIRE HEATER CORE INLET TEMP SIG HIGH PRESSURE EXHAUST GAS RECIRCULATION TEMPERATURE SENSOR 1 INTAKE MANIFOLD AIR TEMP SENS SIG 2 OIL PMP MTR CTRL REDUCTANT INJECTOR SOUND SYSTEMS STARTING/CHARGING SYSTEM THROTTLE POSITION SENS 1 SIG VIO WIRE VIO/BLK WIRE VIO/BLU WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE

A/C COMPRESSOR CLUTCH RELAY CONTROL A/C REFRIGERANT PRESSURE SENS SIG ACCELERATOR PEDAL POSITION LOW REF 1 ACCELERATOR PEDAL POSITION LOW REF 2 ACCELERATOR PEDAL POSITION SENSOR ACCELERATOR PEDAL POSITION SIG 1 ACCELERATOR PEDAL POSITION SIG 2 ACCESSORY WAKEUP SERIAL DATA AIR CONDITIONING SYSTEM AMBIENT AIR TEMP SENS SIG AMBIENT AIR TEMPERATURE SENSOR ANTI-THEFT SYSTEM BATTERY POSITIVE 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 BRAKE POSITION SENS SIG BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CHECK ENGINE INDICATOR CONTROL COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM CRUISE CONTROL SYSTEM CRUISE/ETC/TCC BRAKE SIG ENGINE CONTROL MODULE (BEHIND LEFT HEADLAMP ASSEMBLY) ENGINE CONTROL SENS LOW REFERENCE 2 ENGINE OIL LEVEL SWITCH EVAP CANISTER PURGE SOLENOID CONTROL FUEL PRESSURE SENSOR FUEL PUMP PRIMARY RELAY CONTROL GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE HIGH SPEED COOLING FAN RELAY CONTROL HIGH SPEED GMLAN SERIAL DATA (+) 3 HIGH SPEED GMLAN SERIAL DATA (+) 7 HIGH SPEED GMLAN SERIAL DATA (-) (1) HOOD STATUS A SIG MASS AIR FLOW SENS SIG MULTI-FUNCTION INTAKE AIR SENSOR OIL LEVEL SWITCH SIG OIL PRESSURE SENS SIG POWERTRAIN MAIN RELAY FUSED SPLY 1 POWERTRAIN MAIN RELAY FUSED SPLY 2 POWERTRAIN RELAY COIL CONTROL RED/BRN WIRE RUN/CRANK IGNITION 1 VOLT STARTER ENABLE RELAY CONTROL STARTING/CHARGING SYSTEM TRANSMISSION PARK/NEUTRAL SIG 1 TRANSMISSIONS SYSTEM VIO/BLU WIRE VIO/GRN WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/WHT 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

5-VOLT REF 1 BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/WHT WIRE CAMSHAFT CAMSHAFT POSITION CHARGE IND CTRL CHARGING ENGINE CONTROL MODULE (BEHIND LEFT HEADLAMP ASSEMBLY) ENGINE CONTROLS IGNITION RELAY ENGINE CTRL SENS EVAPORATIVE EMISSION VENT SOLENOID VALVE GRN WIRE GRN/BLU WIRE GRY/BLU WIRE HEATED OXYGEN SENS HI SIG BANK 1 SENS (2) HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN CTRL (4) IGN CTRL (6) INTAKE SENS 1 INTAKE SENS CTRL 1 KNOCK SENS SIG 1 KNOCK SENS SIG 2 KNOCK SENSOR #2 KNOCK SENSOR 1 LO SIG BANK 1 SENS 2 PHASER INTAKE SOL 1 POWER DISTRIBUTION SYSTEM POWERTRAIN RED/BRN WIRE RED/VIO WIRE RED/WHT WIRE SENS BUS ENABLE SIG CRANKSHAFT SIG GROUND SOUND STARTING/ SYSTEM SYSTEMS THROTT ACTR CTRL OPEN TRANSMISSIONS SYSTEM UNDERHOOD FUSE BLOCK VIO/BLU WIRE VIO/BRN WIRE VIO/GRN WIRE VIO/GRY WIRE WHT WIRE WHT/GRY WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE YEL/VIO WIRE

BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT WIRE ENGINE COOLANT TEMPERATURE SENSOR ENGINE OIL PRESSURE CONTROL SOLENOID VALVE GRN WIRE GRN/BLU WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/RED WIRE IGNITION COIL 1 IGNITION COIL 2 IGNITION COIL 3 IGNITION COIL 4 IGNITION COIL 5 IGNITION COIL 6 LOGIC MANIFOLD ABSOLUTE PRESSURE SENSOR NCA WIRE SPARK PLUG VALVE LIFTER OIL MANIFOLD ASSEMBLY VIO/BLU WIRE VIO/BRN WIRE WHT/RED WIRE YEL WIRE YEL/BLU WIRE YEL/VIO WIRE

BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE CAM PHASER W LO REF CAMSHAFT POSI INTAKE SENS LO REF 1 CAMSHAFT POSITION ACTUATOR SOLENOID VALVE CAMSHAFT POSITION SENSOR CRANKSHAFT POSITION SENSOR CYL SHUTOFF SOLENOID CTRL 1 CYL SHUTOFF SOLENOID CTRL 2 DIRECT FUEL INJ (DFI) HI VOLT CTRL CYL 1 DIRECT FUEL INJ (DFI) HI VOLT CTRL CYL 2 DIRECT FUEL INJ (DFI) HI VOLT CTRL CYL 3 DIRECT FUEL INJ (DFI) HI VOLT CTRL CYL 4 DIRECT FUEL INJ (DFI) HI VOLT CTRL CYL 5 DIRECT FUEL INJ (DFI) HI VOLT CTRL CYL 6 DIRECT FUEL INJ (DFI) HI VOLT SPLY CYL 1 DIRECT FUEL INJ (DFI) HI VOLT SPLY CYL 2 DIRECT FUEL INJ (DFI) HI VOLT SPLY CYL 3 DIRECT FUEL INJ (DFI) HI VOLT SPLY CYL 4 DIRECT FUEL INJ (DFI) HI VOLT SPLY CYL 5 DIRECT FUEL INJ (DFI) HI VOLT SPLY CYL 6 ENGINE CONTROL MODULE ENGINE COOLANT TEMPERATURE SENS SIG ENGINE CTRL SENS LO REF (3) FUEL INJECTOR 1 FUEL INJECTOR 2 FUEL INJECTOR 3 FUEL INJECTOR 4 FUEL INJECTOR 5 FUEL INJECTOR 6 FUEL LINE PRESSURE SENS SIG FUEL PRESSURE, TEMPERATURE SENSOR FUEL RAIL PRESSURE SENS SIG GENERATOR FIELD DUTY CYCLE SIG GRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE GRY/RED WIRE HI PRESS FUEL PUMP ACTR HI - CTRL HI PRESSURE FUEL PUMP ACTR LO - CTRL HIGH PRESSURE FUEL PUMP IGNITION CTRL (5) IGNITION CTRL 1 IGNITION CTRL LO REF BANK 1 LOGIC MANIFOLD ABSOLUTE PRESS SENS SIG MANIFOLD ABSOLUTE PRESSURE SENS LO REF OUT SPD HI (REPLICATED TOS) IN SIG POWERTRAIN MAIN RELAY FUSED SPLY 3 SIG GROUND STARTING/ CHARGING SYSTEM THROTTLE POSITION SENS (SENS 1) SIG THROTTLE POSITION SENS LO REF TRANSMISSIONS SYSTEM VIO/BLK WIRE VIO/BLU WIRE VIO/BRN WIRE VIO/GRN WIRE VIO/GRY WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/VIO WIRE