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

AC POWER OUTLET ENABLE AC POWER OUTLET SW SIG/ ALL WINDOWS OPEN SW SIG AIR CONDITIONING SYSTEM AMBIENT LIGHT SENS SIG ANTI-LOCK BRAKES SYSTEM AUTO STOP START IND CTRL AUTO STOP START SWITCH SIG BACKUP LAMP RLY CTRL BATT POSITIVE VOLT BATTERY POSITIVE VOLTAGE BLK WIRE BLK/BRN WIRE BLK/VIO WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (LEFT END OF DASH) BRAKE APPLY SENS CTRL BRAKE APPLY SENS LOW REF BRAKE APPLY SENS SIG BRN WIRE BRN/BLK WIRE BRN/VIO WIRE BRN/WHT WIRE CARGO LAMP SW SIG COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM CRUISE/ETC/TCC BRAKE SIG CURRENT SENS LOW REF DOOR LOCKS SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS DOOR LOCKS, SHIFT INTERLOCK SYSTEMS EXTERIOR LIGHTS, ANTI-LOCK BRAKES, CRUISE CONTROL, SHIFT INTERLOCK SYSTEMS EXTERIOR LIGHTS, CRUISE CONTROL, SHIFT INTERLOCK SYSTEMS FOG LAMP RLY CTRL GRN WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/WHT WIRE GROUND GRY WIRE GRY/GRN WIRE GRY/WHT WIRE HAZARD SW SIG HEADLAMP SW ON SIG HEADLAMP SW PARK LAMP SIG HEADLIGHTS SYSTEM HEADLIGHTS, EXTERIOR LIGHTS SYSTEMS HEADLIGHTS, INTERIOR LIGHTS SYSTEMS HORN RLY CTRL AC POWER OUTLET STATUS INDICATOR CTRL HORNS SYSTEM HOT AT ALL TIMES IGN MODE SW ACCESSORY LED SIG IGN MODE SW MODE VOLTAGE IGN MODE SW START LED SIG INDICATOR DIMMING CTRL INTERIOR LAMP CTRL INTERIOR LAMP DEFEAT SW SIG LED AMBIENT LIGHTING CTRL 2 LEFT HEADLAMP RELAY CTRL LEFT MINOR ENDGATE AJAR SIG LEFT TRAILER TURN SIG LAMP CTRL LIGHTING CTRL SWITCH REF LIGHTING CTRL SWITCH SIG LOW SPEED GMLAN SERIAL DATA MAJOR ENDGATE HIGH RELAY CTRL MAJOR ENDGATE LOW RELAY CTRL NETWORK BUS 4 OUT OF PARK SIG PARK LAMP RLY CTRL POWER DISTRIBUTION SYSTEM POWER WINDOWS SYSTEM RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE REMOTE FUNCTION ACTR CTRL REMOTE FUNCTION ACTR LO REF REMOTE FUNCTION ACTR TRANSMIT SIG RIGHT FRONT DRL CTRL RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT MINOR ENDGATE AJAR SIG RIGHT TRAILER TURN SIG LAMP CTRL HEADLAMP HIGH BEAM RLY CTRL RUN IGNITION 3 VOLT DOME LAMP OFF INDICATOR CTRL SECURITY INDICATOR CTRL SERIAL DATA (+) (1) REMOTE FUNC ACTR RECEIVE SIG SERIAL DATA (-) (1) STARTING/CHARGING SYSTEM STEERING COLUMN LOCK STATUS SIG STOP/TURN LAMP CTRL SW HEADLAMPS OFF SIG CTRL TASK LAMP SW SIG TRACTION CTRL SW SIG 1 TRAILER BRAKE APPLY SIG TRUNK, TAILGATE, FUEL DOORS SYSTEM TURN SIGNAL LAMP CTRL VIO/BRN WIRE VIO/GRN WIRE WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/VIO WIRE WIPER SW HIGH SIG WIPER/WASHER SYSTEM POWER DISTRIBUTION SYSTEM YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/GRY WIRE

12 VOLT REFERENCE ACCESSORY IGNITION VOLT ACCESSORY WAKEUP SER DATA AIR CONDITIONING, STARTING/CHARGING SYSTEMS ALL WINDOWS OPEN SWITCH SIG CTRL SW SIG BATT POSITIVE VOLT ANTI-THEFT SYSTEM BATTERY FUSE BLOCK BLK/GRY WIRE BLK/WHT WIRE BLOWER SPD FEEDBACK SIG CURRENT SENS SIG BLU/VIO WIRE BLU/YEL WIRE BODY CONTROL MODULE (LEFT END OF DASH) BRN/GRN WIRE BRN/GRY WIRE CHARGE INDICATOR CTRL COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM WIPER/WASHER SYSTEM CURRENT SENS CTRL DOOR LOCKS SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS GAP UP/DOWN SW SIG GRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/VIO WIRE HAZARD SW LEFT TURN SIG HAZARD SWITCH RIGHT TURN SIG HDLP SW FLASH TO PASS SIG HEADLAMP DIMMER SW HIGH BEAM SIG HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM HORNS SYSTEM HEADLIGHTS, EXTERIOR LIGHTS SYSTEMS HIGH BEAM AUTO ON/OFF SW SIG HOOD STATUS B SIG HORN SW SIG HOT AT ALL TIMES IGNITION KEY RESISTOR SIG IGNITION SWITCH IMMOBILIZER CTRL IMMOBILIZER LOW REF LF DRL CTRL STEERING COLUMN KEY CYLINDER LOCK SOLENOID CTRL LH HDLMP LOW BEAM CTRL LOW REFERENCE NAVIGATION, CRUISE CONTROL SYSTEMS NAVIGATION, CRUISE CONTROL, SHIFT INTERLOCK SYSTEMS NETWORK SERIAL DATA BUS 15 OFF OFF/RUN/CRANK IGNITION VOLT POLICE SELECT SUPPLY VOLTAGE 4 POWER DISTRIBUTION SYSTEM POWER WINDOWS, ANTI-LOCK BRAKES SYSTEMS RAP RELAY COIL CTRL REAR LICENSE LP CTRL RED/YEL WIRE RF TURN SIG LP CTRL RH HDLMP LOW BEAM CTRL RIGHT HEADLAMP LOW BEAM CTRL RR STOP/TURN LAMP CTRL RUN WIRE RUN/CRANK IGNITION 1 VOLT RUN/CRANK RELAY COIL CTRL WINDSHIELD WIPER MOTOR RELAY COIL CTRL SERIAL DATA BUS 11 SERIAL DATA COMM ENABLE SET/COAST/RESUME/ ACCELERATE SW SIG SHIFT INTERLOCK, TRANSMISSIONS SYSTEMS SIG GROUND STARTING/CHARGING SYSTEM STOP LP RLY COIL CTRL TAP UP/TAP DOWN SW SIG TRANSMISSIONS SYSTEM VIO/BLK WIRE VIO/BLU WIRE VIO/GRY WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE WHT/VIO WIRE WHT/YEL WIRE WINDSHIELD WASHER RLY CTRL WINDSHIELD WASHER SW SIG WINDSHIELD WIPER SW LOW SIG WIPER MTR PARK SW SIG WIPER SW HIGH SIG WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM POWER DISTRIBUTION SYSTEM YEL WIRE YEL/BLU WIRE YEL/BRN WIRE

ANTI-LOCK BRAKES SYSTEM EXTERIOR LIGHTS SYSTEM BLK WIRE BLU WIRE BLU/GRY WIRE BLU/VIO WIRE BODY CONTROL MODULE (LEFT END OF DASH) BRN WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CARGO BED LAMP CTRL COMPUTER DATA LINES SYSTEM COURTESY LAMP SW SIG DOOR LOCK ACTUATOR LOCK CTRL DOOR LOCK ACTUATOR LOCK CTRL 2 DOOR LOCK ACTUATOR UNLOCK CTRL DOOR LOCK KEY SW UNLOCK SIG DOOR LOCKS SYSTEM DOOR LOCKS, EXTERIOR LIGHTS, INTERIOR LIGHTS SYSTEMS DRIVER DOOR LOCK SW LOCK SIG DRIVER DOOR LOCK SW UNLOCK SIG GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GROUND GRY WIRE GRY/BLU WIRE HI SPEED GMLAN SER DATA (-) 1 INADVERTENT POWER CTRL LED AMBIENT LIGHTING CTRL 1 LED BACKLIGHT DIMMING CTRL LEFT TAIL LAMP OUTAGE DETECTION SIG LF DOOR AJAR SW SIG FRONT TURN LAMP FEEDBACK SIG LOCAL INTERCONNECT NETWORK BUS SERIAL DATA 3 LOCAL INTERCONNECT NETWORK SERIAL DATA BUS 1 LOCAL INTERCONNECT NETWORK SERIAL DATA BUS 2 MAJOR ENDGATE RELEASE SW SIG EXTERIOR MAJOR ENDGATE RELEASE SW SIG INTERIOR MINOR ENDGATE HIGH RELAY CTRL MINOR ENDGATE LOW RELAY CTRL MINOR ENDGATE RELEASE SW DISCRETE SIG EXTERIOR PASSENGER DOOR LOCK SW LOCK CTRL PASSENGER DOOR LOCK SW UNLOCK CTRL POWER DISTRIBUTION SYSTEM PUDDLE LAMP CTRL RF TURN LAMP FEEDBACK SIG RF DOOR AJAR SW SIG RIGHT TAIL LAMP OUTAGE DETECTION SIG SHIFT INTERLOCK SOLENOID CTRL SHIFT INTERLOCK, TRANSMISSIONS SYSTEMS SHIFT SELECT SW PARK SI SHIFT SELECT SW PERFORMANCE SIG 16 17 TRAILER BRAKE APPLY SIG STANDING LAMP RLY CTRL SURVEILLANCE SW SIG TRANSMISSIONS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRY WIRE WHT/VIO WIRE WHT/YEL WIRE WIRELESS CHARGING SYSTEM FAULT INDICATOR CTRL YEL WIRE YEL/BLK WIRE YEL/VIO WIRE YEL/WHT WIRE

8 WAY BATT POS VOLT 51 BATT POS VOLT 61 BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BODY CTRL MODULE LIN BUS 2 BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/VIO WIRE CO-DRV HEATED BACK THERMISTOR LO REF CO-DRV HEATED SEAT THERMISTOR LO REF COMPUTER DATA LINES SYSTEM DRIVER CUSHION HEATED SEAT SWITCH DRIVER VENTILATED HEATED SEAT SWITCH DRV HEATED BACK THERMISTOR LO REF DRV HEATED SEAT THERMISTOR LO REF DRV SEAT BACK HEATING ELEMENT CTRL DRV SEAT BACK HEATING TEMPERATURE SENS SIG DRV SEAT BLOWER MOTOR CTRL 1 DRV SEAT HEATING ELEMENT CTRL DRV SEAT HEATING ELEMENT LO REF DRV SEAT HEATING TEMPERATURE SENS SIG EXCEPT 8 WAY FRONT SEAT HEATING CONTROL MODULE (UNDER FRONT OF PASSENGER SEAT) GND 12 GRN WIRE GRN/BLU WIRE GRN/VIO WIRE GRY/BLK WIRE HIGH HEAT IND HOT AT ALL TIMES HVAC CONTROLS LEFT CUSHION/BACK HEATED SEAT SWITCH LEFT INSTRUMENT PANEL FUSE BLOCK LOGIC LOW HEAT IND MED HEAT IND PASS SEAT BACK HEATING ELEMENT CTRL PASS SEAT BACK HEATING TEMPERATURE SENS SIG PASS SEAT BLOWER MOTOR CTRL 1 PASS SEAT HEATING ELEMENT CTRL PASS SEAT HEATING ELEMENT LO REF PASS SEAT HEATING TEMPERATURE SENS SIG PASSENGER CUSHION HEATED SEAT SWITCH PASSENGER VENTILATED HEATED SEAT SWITCH RED WIRE RED/GRN WIRE RIGHT CUSHION/BACK HEATED SEAT SWITCH WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRY WIRE YEL/GRY WIRE

BLK WIRE BLK/WHT WIRE BLU/WHT WIRE BODY CONTROL MODULE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM GND 18 HEATED STEERING WHEEL IND HEATED STEERING WHEEL SWITCH HEATING HI CTRL HEATING SW SIG HEATING VOLT REF HEATING TEMP SENS SIG HOT W/ IGNITION MAIN RELAY ENERGIZED HVAC CTRL MODULE LIN BUS 2 IGN 1 VOLT 11 LED BACKLIGHT DIMMING CTRL 11 LEFT STEERING WHEEL CONTROLS SWITCH PNK WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK STEERING WHEEL AIR BAG COIL STEERING WHEEL HEATER STEERING WHEEL HEATING CONTROL MODULE STRG WHL HEATING SW LED CNTRL STRG WHL LO REF VIO WIRE VIO/BLU WIRE VIO/WHT WIRE W/ ELECTRIC DOOR LOCK CONTROL W/O ELECTRIC DOOR LOCK CONTROL WHT WIRE WHT/YEL WIRE YEL WIRE YEL/GRY WIRE YEL/RED WIRE

BATT POS VOLT 28 BATT POS VOLT 4 BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/VIO WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ELECTRONIC BRAKE CONTROL MODULE (LEFT REAR OF ENGINE COMPT) GRN/BLK WIRE GRN/VIO WIRE GRY WIRE GRY/GRN WIRE GRY/RED WIRE HI SPD GMLAN SER DATA (+) 1 HOT AT ALL TIMES INSTRUMENT CLUSTER LEFT PARK BRAKE ACTUATOR LEFT PARK BRAKE MOTOR APPLY CTRL LEFT PARK BRAKE MOTOR LOW REF LOGIC LOW SPD GMLAN SER DATA 2 PARK BRAKE CONTROL SWITCH (ON PARK BRAKE PEDAL ASSEMBLY) PARK BRK APPLY SW VOLT REF 1 PARK BRK APPLY SW VOLT REF 2 PARK BRK SW MONITOR SIG 1 PARK BRK SW MONITOR SIG 2 PARK BRK SW SIG PARK BRK SW TEST SIG PARK IND RED/GRY WIRE RED/YEL WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT PARK BRAKE ACTUATOR RIGHT PARK BRK MOTOR APPLY CTRL RIGHT PARK BRK MOTOR LOW REF SERVICE PARK BRAKE IND UNDERHOOD FUSE BLOCK WHT WIRE YEL WIRE YEL/RED WIRE

BATT POS VOLT BLK WIRE BLK/BRN WIRE BLK/YEL WIRE BLU WIRE BLU/YEL WIRE BODY CONTROL MODULE (LEFT END OF DASH) BRAKE PEDAL POSITION SENSOR (ON BRAKE PEDAL ASSEMBLY) BRK APPLY SENS LO REF BRK APPLY SENS SIG BRK APPLY SENS VOLT REF BRK TRANS SHIFT INTERLOCK SOL CTRL COMPUTER DATA LINES SYSTEM GRN/WHT WIRE HI SPEED GMLAN SERIAL DATA (-) 1 HOT AT ALL TIMES KEY CAPTURE SOLENOID ACTUATOR PARK POSITION SWITCH RED/BLU WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK SHIFT SELECT SW PARK SIG STRG COLUMN KEY CYL LOCK SOL CTRL TRANSMISSION SHIFT LEVER TRANSMISSION SHIFT LOCK CONTROL SOLENOID ACTUATOR VIO/GRY WIRE WHT WIRE WHT/GRN WIRE WHT/RED WIRE YEL/WHT WIRE

1/+ 10 SPEED A/T 6.6L (VIN 7) 6.6L VIN Y AUTOMATIC TRANSMISSION ASSEMBLY (10 SPEED A/T) BATT POS VOLT 28 LO SPD GMLAN SERIAL DATA 2 BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BRK POS SENS LOW REF BRK POS SENS SIG BUS - COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY CRUISE IND DATA DATA BUS 1 DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE GND BATT POS VOLT 4 GRN/YEL WIRE GRY WIRE GRY/GRN WIRE HI SPD HI SPEED GMLAN SERIAL HI SPEED GMLAN SERIAL DATA BUS (-) 1 HIGH SPEED GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES IGN MODE SW CTRL BACKUP IGN MODE SW MODE CTRL INSTRUMENT CLUSTER INTERNAL MOD SW VOLT SUPPLY A J108 (6.6L VIN 7) LOGIC NCA WIRE ORG/ WIRE RED/BRN WIRE RED/GRY WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK SERIAL TRANSMISSION CONTROL MODULE TRANSMISSION INTERNAL MODE SW FEEDBACK SIGNAL TRANSMISSION INTERNAL MODE SWITCH TRANSMISSION PARK/ NEUTRAL SIGNAL 1 TRANSMISSION RANGE SENSOR UNDERHOOD FUSE BLOCK WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE YEL WIRE YEL/BLU WIRE YEL/GRY WIRE

BATTERY POSITIVE VOLT BLK WIRE BLK/WHT WIRE BLU WIRE BLU/VIO WIRE BODY CONTROL MODULE COMPUTER DATA LINES SYSTEM DRIVER DOOR LATCH ASSEMBLY DRV DR OPEN SW SIG GRN WIRE GRN/VIO WIRE HIGH SPEED GMLAN SERIAL DATA + (1) HIGH SPEED GMLAN SERIAL DATA - (1) HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED KEYLESS ENTRY CONTROL MODULE LO SPD GMLAN SERIAL DATA OFF/ACCESSORY IGN VOLT RED/GRY WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK STEERING COLUMN LOCK MODULE STEERING COLUMN LOCK SIG STEERING COLUMN LOCK STATUS SIG WHT WIRE WHT/YEL WIRE

ABSOLUTE PRESS SENS SIG BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM COMPUTER LINES SYSTEM COOLANT TEMP SENS 2 SIG ENGINE BLOCK COOLANT TEMP SIG ENGINE CONTROL MODULE (BEHIND LEFT HEADLAMP ASSEMBLY) ENGINE COOLANT TEMPERATURE SENSOR 3 ENGINE CTRL MODULE LIN BUS 3 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 2 ENGINE OIL TEMPERATURE SENSOR EVAP PURGE PUMP PRESS SIG FEEDBACK SIGNAL FUEL RAIL PRESS SENS SIG GRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/VIO WIRE GRY/WHT WIRE HEATED OXYGEN SENS COLLECTOR SIG HEATED OXYGEN SENS CURR ADJUST SIG HEATED OXYGEN SENS CURR PUMP SIG HEATED OXYGEN SENS GND HEATER CORE INLET TEMP SIG HEATER LOW CTRL BANK 1 SENS 1 LIN SERIAL DATA BUS 21 LIN SERIAL DATA BUS 22 NCA WIRE OIL PRESSURE SENS SIG DRIVER MODE SWITCH SIG OIL TEMP SENS SIG POSI SENS LOW REF POWERTRAIN MAIN RLY FUSED SPLY 5 POWERTRAIN SENS BUS ENABLE RADIATOR COOLANT TEMPERATURE SENSOR SIG GND TRANSMISSIONS SYSTEM VIO WIRE VIO/BLU WIRE VIO/GRN WIRE WHT WIRE WHT/RED WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/GRY WIRE