Chevrolet Silverado T1XX (2019-2022) engine controls ignition relay Wiring diagrams

2.7L TURBO EXCEPT 2.7L TURBO, 3.0L TURBO DIESEL 3.0L TURBO DIESEL 5.3L, 6.2L A/C COMPRESSOR CLUTCH RELAY A/C COMPRESSOR CLUTCH RELAY CTRL A/C REFRIGERANT PRESSURE SENS SIG AIR COOLANT TEMPERATURE SIGNAL AUXILIARY HEATER COOLANT PUMP RELAY BATTERY POSITIVE VOLTAGE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/RED WIRE BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/YEL WIRE CABIN HEATER COOLANT MOTOR CTRL CHARGE AIR COOLER INLET TEMPERATURE SENSOR CHARGE AIR COOLER OUTLET TEMPERATURE SENSOR 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 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 SENSOR ENGINE COOLANT TEMPERATURE SENSOR 7 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 1 ENGINE CTRL SENS LOW REF 2 ENGINE CTRL VEHICLE SENS LOW REF 1 ENGINE INLET COOLANT TEMP SIG ENGINE OUTLET COOLANT TEMP SIG GRN WIRE GRY/VIO WIRE HEATER CORE INLET TEMP SIG HEATER CORE OUTLET TEMP SIG HI SPD GMLAN SERIAL DATA (+) (3) HIGH SPEED COOLING FAN RELAY CTRL HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INLET TEMPERATURE SENSOR SIGNAL OUTSIDE AMBIENT AIR TEMP SENS SIG RED WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE SIGNAL GROUND TEMPERATURE SENSOR 1 LOW REF TEMPERATURE SENSOR LOW REFERENCE UNDERHOOD FUSE BLOCK VIO WIRE VIO/BLU WIRE VIO/YEL WIRE WHT/GRY WIRE WHT/RED WIRE YEL/BLK WIRE YEL/BLU WIRE

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

2.7L TURBO EXCEPT 2.7L TURBO, 3.0L TURBO DIESEL 3.0L TURBO DIESEL 5.3L, 6.2L A/C COMPRESSOR CLUTCH RELAY A/C COMPRESSOR CLUTCH RELAY CTRL A/C REFRIGERANT PRESSURE SENS SIG AIR COOLANT TEMPERATURE SIGNAL AUXILIARY HEATER COOLANT PUMP RELAY BATTERY POSITIVE VOLTAGE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/RED WIRE BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/YEL WIRE CABIN HEATER COOLANT MOTOR CTRL CHARGE AIR COOLER INLET TEMPERATURE SENSOR CHARGE AIR COOLER OUTLET TEMPERATURE SENSOR 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 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 SENSOR ENGINE COOLANT TEMPERATURE SENSOR 7 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 1 ENGINE CTRL SENS LOW REF 2 ENGINE CTRL VEHICLE SENS LOW REF 1 ENGINE INLET COOLANT TEMP SIG ENGINE OUTLET COOLANT TEMP SIG GRN WIRE GRY/VIO WIRE HEATER CORE INLET TEMP SIG HEATER CORE OUTLET TEMP SIG HI SPD GMLAN SERIAL DATA (+) (3) HIGH SPEED COOLING FAN RELAY CTRL HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INLET TEMPERATURE SENSOR SIGNAL OUTSIDE AMBIENT AIR TEMP SENS SIG RED WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE TEMPERATURE SENSOR 1 LOW REF TEMPERATURE SENSOR LOW REFERENCE UNDERHOOD FUSE BLOCK VIO WIRE VIO/BLU WIRE VIO/YEL WIRE WHT/GRY WIRE WHT/RED WIRE YEL/BLK WIRE YEL/BLU WIRE

6.6L TURBO DIESEL ACCESSORY RELAY AUXILIARY AUDIO INPUT AUXILIARY HEATER COOLANT PUMP RELAY BODY CONTROL MODULE BRN/BLK WIRE CARGO LAMP RELAY ENGINE CONTROLS IGNITION RELAY FROM A/C COMPRESSOR CLUTCH RELAY (DIAGRAM 2 OF 10) FRONT FOG LAMP RELAY HEAD-UP DISPLAY HEADLAMP HIGH BEAM RELAY HEADLAMP RELAY HORN RELAY HVAC CONTROL MODULE HVAC CONTROLS INFO DISPLAY MODULE INSTRUMENT CLUSTER LEFT STEERING WHEEL CONTROLS SWITCH LEFT TRAILER STOP/TURN SIGNAL LAMP RELAY PARK LAMPS RELAY REAR DEFOGGER RELAY REAR SEAT HEATING SWITCH RED/BLU WIRE RED/BRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT STEERING WHEEL CONTROLS SWITCH RIGHT TRAILER STOP/TURN SIGNAL LAMP RELAY STEERING WHEEL AIR BAG COIL STOP LAMP RELAY TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE TO ACCESSORY DC/AC POWER INVERTER MODULE (DIAGRAM 9 OF 10) TO IGNITION MAIN RELAY (DIAGRAM 8 OF 10) TRAILER BACKUP LAMPS RELAY USB RECEPTACLE W/ ONSTAR WHT/GRN WIRE WINDSHIELD WASHER PUMP RELAY WINDSHIELD WIPER RELAY WINDSHIELD WIPER SPEED CONTROL RELAY

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

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

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

A/C COMPRESSOR CLUTCH RELAY AUXILIARY HEATER COOLANT PUMP RELAY BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/RED WIRE BRN/BLU WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CTRL DATA 2 (+) DRIVE MODE SELECT SWITCH DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROLS IGNITION RELAY ENGINE OIL IND FUEL GAUGE FUEL GAUGE IND GMLAN GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/GRN WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IND INSTRUMENT CLUSTER LOGIC LOW SPD MALFUNCTION IND POWER DISTRIBUTION SYSTEM RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK SERIAL UNDERHOOD FUSE BLOCK VIO/BLU WIRE VIO/GRN WIRE WHT WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE

A/C COMPRESSOR CLUTCH RELAY AUXILIARY HEATER COOLANT PUMP RELAY BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/RED WIRE BRN/BLU WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CTRL DATA 2 (+) DRIVE MODE SELECT SWITCH DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROLS IGNITION RELAY ENGINE OIL IND FUEL GAUGE FUEL GAUGE IND GMLAN GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/GRN WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IND INSTRUMENT CLUSTER LOGIC LOW SPD MALFUNCTION IND POWER DISTRIBUTION SYSTEM RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK SERIAL UNDERHOOD FUSE BLOCK VIO/BLU WIRE VIO/GRN WIRE WHT WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE

A/C COMPRESSOR CLUTCH RELAY AUXILIARY HEATER COOLANT PUMP RELAY BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/RED WIRE BRN/BLU WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CTRL DATA 2 (+) DRIVE MODE SELECT SWITCH DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROLS IGNITION RELAY ENGINE OIL IND FUEL GAUGE FUEL GAUGE IND GMLAN GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/GRN WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IND INSTRUMENT CLUSTER LOGIC LOW SPD MALFUNCTION IND POWER DISTRIBUTION SYSTEM RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK SERIAL UNDERHOOD FUSE BLOCK VIO/BLU WIRE VIO/GRN WIRE WHT WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE