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

A/C COMPRESSOR CLUTCH RELAY A/C EVAPORATOR TEMPERATURE SENSOR A/C IND A/C SWITCH AIR INLET DOOR ACTUATOR AIR INLET DOOR STEPPER MOTOR CTRL (1) AIR INLET DOOR STEPPER MOTOR CTRL 2 AIR INLET DOOR STEPPER MOTOR CTRL 3 AIR INLET DOOR STEPPER MOTOR CTRL 4 AIR TEMPERATURE DOOR CTRL LOW REF AUTO AUXILIARY HEATER COOLANT PUMP RELAY BATTERY FUSE BLOCK BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BRN WIRE BLU/GRY WIRE BRN WIRE BRN/GRN WIRE BRN/VIO WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM COOLING FAN RELAY DISPLAY ENGINE COOLANT FAN SWITCH ENGINE COOLANT TEMPERATURE 2 SWITCH EVAP CORE TEMP SENSOR SIG GRN WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED HVAC CONTROL MODULE (BEHIND UPPER LEFT SIDE OF DASH) HVAC CONTROLS HVAC MOTOR CONTROL LEFT AIR TEMPERATURE DOOR ACTUATOR LOGIC LOWER AIR LOWER AIR OUTLET SWITCH MAX WINDSHIELD DEFROST IND MAX WINDSHIELD DEFROST SWITCH MODE DOOR ACTUATOR MODE DOOR STEPPER MOTOR CONTROL (2) MODE DOOR STEPPER MOTOR CONTROL (4) MODE DOOR STEPPER MOTOR CONTROL 1 MODE DOOR STEPPER MOTOR CONTROL 3 OUTLET IND RED/GRY WIRE RED/WHT WIRE RIGHT AIR TEMPERATURE DOOR ACTUATOR START/ STOP SWITCH SYNC TEMP DOOR STEPPER MOTOR CONTROL 1 TEMP DOOR STEPPER MOTOR CONTROL 2 TEMP DOOR STEPPER MOTOR CONTROL 3 TEMP DOOR STEPPER MOTOR CONTROL 4 UNDERHOOD AUXILIARY FUSE BLOCK UNDERHOOD FUSE BLOCK UPPER AIR OUTLET IND UPPER AIR OUTLET SWITCH VIO/BLU WIRE VIO/GRN WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRY WIRE WHT/YEL WIRE WINDSHIELD DEFROST IND WINDSHIELD DEFROST SWITCH YEL WIRE YEL/BLK WIRE YEL/GRN WIRE

A/C COMPRESSOR CLUTCH RELAY A/C EVAPORATOR TEMPERATURE SENSOR A/C IND A/C SWITCH AIR INLET DOOR ACTUATOR AIR INLET DOOR STEPPER MOTOR CTRL (1) AIR INLET DOOR STEPPER MOTOR CTRL 2 AIR INLET DOOR STEPPER MOTOR CTRL 3 AIR INLET DOOR STEPPER MOTOR CTRL 4 AIR TEMPERATURE DOOR CTRL LOW REF AUXILIARY HEATER COOLANT PUMP RELAY BATTERY FUSE BLOCK BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BRN WIRE BLU/GRY WIRE BRN WIRE BRN/GRN WIRE BRN/VIO WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM COOLING FAN RELAY ENGINE COOLING FAN SWITCH ENGINE COOLING TEMPERATURE SWITCH EVAP CORE TEMP SENSOR SIG GRN WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED HVAC CONTROL MODULE (BEHIND UPPER LEFT SIDE OF DASH) HVAC CONTROLS HVAC MOTOR CONTROL LEFT AIR TEMPERATURE DOOR ACTUATOR LOGIC LOWER AIR LOWER AIR OUTLET SWITCH MAX WINDSHIELD DEFROST IND MAX WINDSHIELD DEFROST SWITCH MODE DOOR ACTUATOR MODE DOOR STEPPER MOTOR CONTROL (2) MODE DOOR STEPPER MOTOR CONTROL (4) MODE DOOR STEPPER MOTOR CONTROL 1 MODE DOOR STEPPER MOTOR CONTROL 3 OUTLET IND RED/GRY WIRE RED/WHT WIRE START/ STOP SWITCH TEMP DOOR STEPPER MOTOR CONTROL 1 TEMP DOOR STEPPER MOTOR CONTROL 2 TEMP DOOR STEPPER MOTOR CONTROL 3 TEMP DOOR STEPPER MOTOR CONTROL 4 UNDERHOOD AUXILIARY FUSE BLOCK UNDERHOOD FUSE BLOCK UPPER AIR OUTLET IND UPPER AIR OUTLET SWITCH VIO/BLU WIRE VIO/GRN WIRE WHT WIRE WHT/BLK WIRE WHT/GRY WIRE WINDSHIELD DEFROST IND WINDSHIELD DEFROST SWITCH YEL WIRE YEL/GRN WIRE

6.6L TURBO DIESEL A/C COMPRESSOR CLUTCH RELAY CTRL A/C REFRIGERANT PRESSURE SENSOR A/C SENSOR LOW REFERENCE AMBIENT AIR TEMPERATURE SENSOR SIG BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/VIO WIRE BRAKE POSITION SENSOR SIGNAL BRN/RED WIRE CHARGE AIR COOLER COOLANT PUMP COMPUTER DATA LINES SYSTEM COOLING FAN CLUTCH COOLING FAN SPEED CTRL SIG COOLING FAN SPEED SIG ENGINE CONTROL MODULE ENGINE CONTROL SENSORS LOW REF 2 ENGINE COOLANT TEMPERATURE IND ENGINE COOLANT TEMPERATURE SENSOR GMLAN SERIAL DATA (+) 7 GMLAN SERIAL DATA - 1 GND 4 GRN WIRE GRN/VIO WIRE GRY/GRN WIRE GRY/RED WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER J107 (6.6L) J158 (6.6L) J112 (6.6L DIESEL) LOGIC LOW REFERENCE MIRROR AMBIENT AIR TEMPERATURE SENSOR NCA WIRE RED/GRY WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK SENSOR SIGNAL VIO/BLU WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRY 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 ANTI-THEFT SYSTEM BATTERY POSITIVE VOLT 4 BLK/BLU WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BRAKE POSITION SENS SIG BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE CHECK ENGINE INDICATOR CONTROL COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM CRUISE/ETC/TCC BRAKE SIG DISABLE SIG ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) ENGINE CONTROL SENS LOW REFERENCE 2 ENGINE OIL LEVEL SWITCH EVAP PURGE SOLENOID VALVE CONTROL FUEL PUMP PRIMARY RELAY CONTROL GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE HIGH SPEED GMLAN SERIAL DATA (+) 7 HIGH SPEED GMLAN SERIAL DATA (-) (1) HOOD STATUS A SIG MASS AIR FLOW SENS SIG MIRROR AMBIENT AIR TEMPERATURE SENSOR 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 4 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

BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE BRAKE APPLY BRN WIRE BRN/RED WIRE BRN/WHT WIRE CLUSTER COMPUTER DATA LINES SYSTEM DATA 1 (+) DISABLE SIG FUEL PRESSURE FUEL PRESSURE SENSOR FUEL PUMP FUEL PUMP CTRL FUEL PUMP SUPPLY FUSED BATT GMLAN SERIAL GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE HI SPD GMLAN HIGH SPD IGN 1 VOLT 4 INSTRUMENT LOW REF PHASE 3 POSITIVE VOLTAGE 53 POWER MODULE PRIMARY FUEL PUMP, LEVEL SENSOR ASSEMBLY RED/BRN WIRE RED/VIO WIRE RELAY CTRL SECONDARY SECONDARY FUEL PUMP SENS 2 LO REF SENS CTRL SENS LO REF SENS LOW REF SENS SIG SENS SIG 2 SERIAL SERIAL DATA (-) 7 SHIELD GND SUPPLY VOLTAGE SYSTEM VIO/BLU WIRE VIO/GRN WIRE VOLTAGE PHASE 2 W/ DUAL TANK W/O DUAL TANK WAKE UP SIG WHT WIRE WHT/BRN WIRE WHT/GRN WIRE YEL WIRE YEL/BRN WIRE YEL/GRY WIRE

BATT POS BATTERY POSITIVE VOLT BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BRN WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE PEDAL POSITION SENSOR BRN WIRE BRN/RED WIRE BRN/WHT WIRE CHECK ENG CLUSTER SYSTEM COMPUTER DATA COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE OIL IND ENGINE OIL PRESSURE SENSOR EVAP VENT SOL VALVE CTRL EVAPORATIVE EMISSION PURGE SOLENOID VALVE FUEL GAUGE IND FUEL LEVEL SENS LO REF FUEL PRESS SENS LO REF FUEL PRESS SENS SIG FUEL PRESSURE SENSOR FUEL PUMP FUEL PUMP CTRL FUEL PUMP PRIMARY RLY CTRL FUEL TANK PRESS SENS SIG FUEL TANK PRESSURE SENSOR GMLAN GMLAN SER DATA (-) 7 GND 18 GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GROUND GRY WIRE GRY/GRN WIRE IND CNTRL INSTRUMENT INSTRUMENT CLUSTER LINES SYSTEM LO SPD LOGIC MALFUNCTION IND LIGHT POWER DISTRIBUTION SYSTEM PRESS SENS LO REF PRIMARY FUEL LVL SENS SIG PRIMARY FUEL PUMP, LEVEL SENSOR ASSEMBLY RED/BRN WIRE RED/GRY WIRE RED/VIO WIRE RELAY CTRL RUN/CRANK IGNITION 1 VOLT SHIELD GND SPLY VOLT PHASE 2 SPLY VOLT PHASE 3 TRANSMISSIONS SYSTEM VIO WIRE VIO/BLU WIRE VIO/GRN WIRE VOLT 28 W/ DUAL TANK W/O DUAL TANK WHT WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BRN WIRE YEL/GRY WIRE YEL/RED WIRE

BLK WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/GRY WIRE BRN/BLU WIRE BRN/WHT WIRE COMPUTER DATA ENGINE CONTROL MODULE ENGINE CTRL ENGINE CTRL MOD LIN BUS 1 ENGINE CTRL MOD LIN BUS 2 ENGINE CTRL SENS LO REF 1 ENGINE OIL PUMP CONTROL ENHANCED DRV MODE 2 SW SIG 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 HOT AT ALL TIMES IGNITION CTRL (5) IGNITION CTRL 3 IGNITION CTRL 4 IGNITION CTRL 6 IGNITION CTRL LO REF BANK 2 KNOCK SENS LO REF KNOCK SENS LO REF 1 LINES SYSTEM LO CTRL BANK 1 SENS (2) LO CTRL BANK 1 SENS 1 (3) 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 MAIN RELAY FUSED SPLY 5 NCA WIRE POWERTRAIN POWERTRAIN MAIN RED/BRN WIRE RED/GRY WIRE RED/VIO WIRE RELAY FUSED SPLY 1 RIGHT INSTRUMENT PANEL FUSE BLOCK SENS 5 VOLT REF 1 SENS HI SIG BANK 2 SENS 1 SPARK PLUG SYSTEM THROTTLE ACTR CTRL CLOSE TRANSMISSIONS VIO/BLU WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/WHT WIRE W/ DUAL TANK W/O DUAL TANK WHT WIRE WHT/BLK WIRE WHT/BRN WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE YEL/WHT WIRE

5-VOLT REF 1 BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/WHT WIRE CAMSHAFT CAMSHAFT POSITION CHARGE IND CTRL CHARGING CRANKSHAFT POSIT SENS CRANKSHAFT POSITION ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) ENGINE CONTROLS IGNITION RELAY ENGINE CTRL SENS EVAPORATIVE EMISSION VENT SOLENOID VALVE GRN WIRE GRN/BLU WIRE GROUND 4 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 (8) INTAKE SENS 1 INTAKE SENS 1 VOLT REF KNOCK SENS SIG 1 KNOCK SENS SIG 2 KNOCK SENSOR #2 KNOCK SENSOR 1 LO SIG BANK 1 SENS 2 NCA WIRE PHASER INTAKE SOL 1 POWER DISTRIBUTION SYSTEM POWER MODULE RED/BRN WIRE RED/VIO WIRE RED/WHT WIRE REPLICATED SIGNAL SENS SIG SOUND SPARK PLUG STARTING/ SYSTEM SYSTEMS THROTT ACTR CTRL OPEN TRANSMISSIONS SYSTEM UNDERHOOD FUSE BLOCK VIO WIRE VIO/BLU WIRE VIO/BRN WIRE VIO/GRN WIRE VIO/GRY WIRE W/ TRAILER INFORMATION WAKE UP SIGNAL 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/VIO WIRE BLU/WHT WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT WIRE ENGINE COOLANT TEMPERATURE SENSOR ENGINE OIL PRESSURE CONTROL SOLENOID VALVE ENGINE OIL TEMPERATURE SENSOR FUEL INJECTOR 7 FUEL INJECTOR 8 GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE GRY/RED WIRE GRY/WHT WIRE IGNITION COIL 1 IGNITION COIL 2 IGNITION COIL 3 IGNITION COIL 4 IGNITION COIL 6 IGNITION COIL 7 LOGIC MANIFOLD ABSOLUTE PRESSURE SENSOR NCA WIRE SPARK PLUG THROTTLE BODY (AT INTAKE MANIFOLD INLET) VIO/BLU WIRE VIO/BRN WIRE WHT WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE YEL/GRY 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/BLU 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 CRANKSHAFT POSITION SENSOR LO REF CRANKSHAFT POSITION SENSOR VOLTAGE 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 CTRL CYL 7 DIRECT FUEL INJ (DFI) HI VOLT CTRL CYL 8 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 DIRECT FUEL INJ (DFI) HI VOLT SPLY CYL 7 DIRECT FUEL INJ (DFI) HI VOLT SPLY CYL 8 ENGINE CONTROL MODULE ENGINE CONTROL VEHICLE SENSORS LOW REF 1 ENGINE COOLANT TEMPERATURE SENS SIG FUEL INJECTOR 1 FUEL INJECTOR 2 FUEL INJECTOR 3 FUEL INJECTOR 4 FUEL INJECTOR 5 FUEL INJECTOR 6 FUEL PRESSURE, TEMPERATURE SENSOR FUEL RAIL PRESSURE SENS SIG GENERATOR FIELD DUTY CYCLE SIG GRN WIRE GRN/BLK WIRE GRN/GRY WIRE GRN/WHT WIRE GROUND 4 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 1 IGNITION CTRL 7 IGNITION CTRL LO REF BANK 1 LOGIC MANIFOLD ABSOLUTE PRESS SENS SIG MANIFOLD ABSOLUTE PRESSURE SENS LO REF OIL TEMPERATURE SENSOR SIGNAL POWERTRAIN MAIN RELAY FUSED SPLY 3 STARTING/ CHARGING SYSTEM THROTTLE POSITION SENS (SENS 1) SIG THROTTLE POSITION SENS LO REF TRANSMISSIONS SYSTEM VIO WIRE VIO/BLK WIRE VIO/BLU WIRE VIO/BRN WIRE VIO/GRN WIRE VIO/GRY WIRE WHT/GRN WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/GRY WIRE YEL/VIO WIRE