Chevrolet Silverado T1XX (2019-2022) lines system Wiring diagrams

2.7L TURBO 3.0L TURBO DIESEL B+ VOLT BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/YEL WIRE BLOCK ENGINE COOLANT FLOW CONTROL VALVE BLU WIRE BLU/BRN WIRE BRN WIRE BRN/YEL WIRE COMPUTER DATA COMPUTER DATA LINES SYSTEM ENGINE COOLANT BYPASS VALVE ENGINE COOLANT FLOW CONTROL VALVE (2.7L TURBO, 3.0L TURBO DIESEL) ENGINE COOLANT TEMPERATURE SENSOR 1 ENGINE COOLANT TEMPERATURE SENSOR 5 ENGINE COOLANT TEMPERATURE SENSOR 6 FAN RLY CTRL GRN/BRN WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/VIO WIRE HEATER COOLANT PUMP HI SPD COOLING J157 (2.7L TURBO) LINES SYSTEM LOGIC LOWER COOLING FAN MOTOR MAIN ENGINE COOLANT FLOW CONTROL VALVE NCA WIRE RED WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RIGHT COOLING FAN MOTOR VIO/BLU WIRE WHT/RED WIRE YEL WIRE YEL/BLU WIRE

2.7L TURBO 2.7L TURBO, 3.0L TURBO 3.0L TURBO 3.0L TURBO DIESEL AMBIENT AIR TEMPERATURE SENSOR B+ VOLT BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/YEL WIRE BLOCK ENGINE COOLANT FLOW CONTROL VALVE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BRN WIRE BRN/YEL WIRE CLOSE CTRL COMPUTER DATA COMPUTER DATA LINES SYSTEM ENGINE COOLANT BYPASS VALVE ENGINE COOLANT TEMPERATURE SENSOR 1 ENGINE COOLANT TEMPERATURE SENSOR 5 ENGINE COOLANT TEMPERATURE SENSOR 6 FAN RLY CTRL GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/VIO WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/VIO WIRE HEATER COOLANT PUMP HI SPD COOLING J157 (2.7L TURBO) LINES SYSTEM LOGIC LOWER COOLING FAN MOTOR MAIN ENGINE COOLANT FLOW CONTROL VALVE NCA WIRE OPEN CTRL POS SIG RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RIGHT COOLING FAN MOTOR VIO/BLU WIRE WHT/RED WIRE YEL WIRE YEL/BLU WIRE

BLK/ORG WIRE BLK/WHT WIRE BRN/ORG WIRE COMPUTER DATA CREW CAB EXTENDED CAB DRIVER SEAT BELT RETRACTOR PRETENSIONER GRN WIRE GRY/ORG WIRE HOT AT ALL TIMES LEFT FRONT IMPACT SENSOR LEFT FRONT SIDE IMPACT SENSOR LEFT REAR SIDE IMPACT SENSOR LEFT ROOF RAIL AIR BAG LINES SYSTEM LO SPD GMLAN ORG/BLU WIRE ORG/BRN WIRE ORG/GRN WIRE ORG/WHT WIRE ORG/YEL WIRE PASSENGER PRESENCE MODULE PASSENGER SEAT BELT TENSION SENSOR RED/GRN WIRE RIGHT FRONT IMPACT SENSOR RIGHT FRONT SIDE IMPACT SENSOR RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT REAR SIDE IMPACT SENSOR SENS SIG SENS VOL REF SHORTING BAR VIO/ORG 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

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

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

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

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

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

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