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

12 VOLT REF 6.6L (VIN 7) 6.6L VIN Y TURBO DIESEL ACCEL PEDAL POS SIG 1 ACCEL PEDAL POS SIG 2 ACCELERATOR PEDAL POSITION SENSOR ACCL PEDAL POS 5 VOLT REF 1 ACCL PEDAL POS 5 VOLT REF 2 ACCL PEDAL POS LOW REF 1 ACCL PEDAL POS LOW REF 2 ADAP CRUISE CTRL UP/DOWN SW SIG BATT POS VOLT 27 BATT POS VOLT 4 BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (UNDER LEFT SIDE OF DASH) BRK APPLY SENS LOW REF BRK APPLY SENS SIG BRK APPLY SENS VOLT REF BRK POS SENS LOW REF BRK POS SENS SIG BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CRUISE CTRL SET/COAST/ RES/ACC SW SIG CRUISE/ETC/TCC BRK SIG ENGINE CONTROL MODULE GRN/WHT WIRE GRY/GRN WIRE HI SPD GMLAN DATA (-) (1) HOT AT ALL TIMES INTAKE AIR FLOW VALVE (6.6L VIN Y TURBO DIESEL) (INLET TO INTAKE MANIFOLD) J108 (6.6L VIN 7) J110 (6.6L VIN 7) J158 (6.6L VIN Y TURBO DIESEL) J112 (6.6L VIN 7) LOGIC RED/BRN WIRE RED/WHT WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK THROTTLE BODY (6.6L VIN 7) (AT INTAKE MANIFOLD INLET) THRTL ACTR CTRL CLOSE THRTL ACTR CTRL OPEN THRTL POS SENS 5 VOLT REF 2 THRTL POS SENS LOW REF THRTL POS SENS SENT 1 SIG UNDERHOOD FUSE BLOCK WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/WHT WIRE

+RES -SET 6 SPEED A/T AUTOMATIC TRANSMISSION ASSEMBLY BATT POS VOLT 28 LO SPD GMLAN SERIAL DATA 2 BLK WIRE BLK/BRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/YEL WIRE BRAKE PEDAL POSITION SENSOR (BEHIND BRAKE PEDAL ASSEMBLY) BRN/GRN WIRE BRN/WHT WIRE CANCEL SWITCH COMPUTER DATA LINES SYSTEM CRUISE IND CRUISE SWITCH DRIVER INFORMATION CENTER DISPLAY GAP SWITCH GRN WIRE GRN/VIO WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/GRN WIRE HIGH SPD GMLAN SERIAL DATA (+) 1 HIGH SPD GMLAN SERIAL DATA (-) 2 HOT AT ALL TIMES INPUT SPD SIG INSTRUMENT CLUSTER LEFT STEERING WHEEL CONTROLS SWITCH LOGIC NCA WIRE OUTPUT SPD SIG TRANSMISSON OUTPUT SHAFT RED WIRE RED/GRY WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK STEERING WHEEL AIR BAG COIL (BEHIND THE STEERING WHEEL) TRANSMISSION CONTROL MODULE (10 SPEED A/T) TRANSMISSION INPUT SHAFT SPEED SENSOR TRANSMISSION INTERMEDIATE SPEED SENSOR 1 TRANSMISSION INTERMEDIATE SPEED SENSOR 2 TRANSMISSION OUTPUT SHAFT SPEED SENSOR VIO/GRN WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE WHT/VIO WIRE YEL WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/ORG WIRE

6.6L TURBO DIESEL BASE EQUIPMENT BATT POSITIVE VOLT 21 BATT POSITIVE VOLT 25 BATT POSITIVE VOLT 27 BATT POSITIVE VOLT 34 BLK WIRE BLK/BRN WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (UNDER LEFT SIDE OF DASH) BPP SENS LO REF BPP SENS SIG BRAKE APPLY SENS LOW REF BRAKE APPLY SENS VOLT REF BRAKE APPLY SENSOR SIG BRAKE PEDAL POSITION SENSOR BRN/GRN WIRE BRN/WHT WIRE CARGO LAMP CTRL CARGO LAMP SW SIG CHEVROLET COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE EXCEPT BASE EQUIPMENT GMC GMLAN DATA - (1) GND 18 GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/GRN WIRE HAZARD SW LT TURN SIG HAZARD SW RT TURN SIG HAZARD SW SIG HAZARD SWITCH HEADLAMP SW PARK LAMP SIG HOT AT ALL TIMES LEFT LICENSE PLATE LAMP LF TURN SIG LAMP CTRL LH TAIL LAMP FEEDBACK SIG LICENSE PLATE LAMP LR STOP/TURN LAMP CTRL MIRR CARGO LAMP CTRL PARK LAMP RELAY CTRL PUDDLE LAMP CTRL REAR LICENSE LAMP CTRL RED WIRE RED/BLU WIRE RED/GRY WIRE RED/WHT WIRE RH TAIL LAMP FEEDBACK SIG RH TURN SIG LAMP CTRL RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT LICENSE PLATE LAMP RR STOP/TURN LAMP CTRL SER DATA (-) (1) SHIFT INT SOL ACT CTRL STANDING LAMP RELAY CTRL STOP LP RLY COIL CTRL TASK LAMP SW SIG VEHICLE STABILITY CONTROL SWITCH VIO/BLU WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE WHT/VIO WIRE YEL/BLK WIRE YEL/BLU WIRE

AUTO BACKUP LAMPS CIRCUIT BASE BASE EQUIPMENT BLK WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/WHT WIRE CARGO CHEVROLET COMPUTER DATA LINES SYSTEM DATA DRIVER INFORMATION CENTER DISPLAY EXCEPT BASE EXCEPT BASE EQUIPMENT GMC GMC/ CHEVROLET GMLAN GRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRY WIRE GRY/BLU WIRE GRY/GRN WIRE HEAD HEADLAMP SWITCH INSTRUMENT CLUSTER LAMP LEFT BACKUP LAMP LEFT LOWER TAIL/STOP, TURN SIGNAL LAMP LEFT REAR SIDE MARKER LAMP LEFT TAIL LAMP LEFT TAIL LAMP ASSEMBLY LEFT TAIL/ STOP SIGNAL LAMP LEFT TURN IND LEFT UPPER TAIL/STOP, TURN SIGNAL LAMP LO SPD LOGIC OFF PARK PARK LAMP IND POSITIVE RED WIRE RED/WHT WIRE RIGHT BACKUP LAMP RIGHT LOWER TAIL/STOP, TURN SIGNAL LAMP RIGHT REAR SIDE MARKER LAMP RIGHT TAIL LAMP RIGHT TAIL LAMP ASSEMBLY RIGHT TAIL/ STOP SIGNAL LAMP RIGHT TURN IND RIGHT UPPER TAIL/STOP, TURN SIGNAL LAMP SER SWITCH TASK VIO/BLK WIRE VIO/WHT WIRE VOLT W/ LED W/O DRIVER INFO ENHANCED DISPLAY INSTRUMENT W/O LED WHT/GRY WIRE WHT/VIO WIRE YEL/BLU WIRE

BASE EQUIPMENT BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/VIO WIRE BLU/WHT WIRE BRN WIRE BRN/WHT WIRE CHEVROLET COMPUTER DATA LINES SYSTEM EXCEPT BASE EQUIPMENT GMC GRN WIRE GRN/VIO WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE LEFT REAR SIDE MARKER LAMP LEFT TAIL LAMP ASSEMBLY LEFT TAIL/STOP SIGNAL LAMP LEFT TAIL/STOP, TURN SIGNAL LAMP LOGIC PARK BRAKE CONTROL SWITCH PARK BRAKE SW MONITOR SIG 1 PARK BRAKE SW MONITOR SIG 2 PARK BRAKE SW SIG PARK BRAKE SW TEST SIG PARK BRAKE SW VOL REF 1 PARK BRAKE SW VOL REF 2 RED WIRE RED/GRN WIRE RIGHT REAR SIDE MARKER LAMP RIGHT TAIL LAMP ASSEMBLY RIGHT TAIL/STOP SIGNAL LAMP RIGHT TAIL/STOP, TURN SIGNAL LAMP SERIAL DATA COMMUNICATION ENABLE VIO/GRY WIRE VIO/WHT WIRE W/ SINGLE REAR WHEEL, RIDE, HANDLING CHASSIS W/O SINGLE REAR WHEEL, RIDE, HANDLING CHASSIS WHT/BLU WIRE WHT/VIO WIRE YEL WIRE YEL/RED WIRE

AMBIENT LIGHT SENS SIG AMBIENT LIGHT/ SUNLOAD SENSOR BATT POS VOLT 21 BATT POS VOLT 25 BATT POS VOLT 29 BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLU WIRE BLU/BRN WIRE BODY CONTROL MODULE (UNDER LEFT SIDE OF DASH) BRN/VIO WIRE BRN/WHT WIRE CHEVROLET COMPUTER DATA LINES SYSTEM DIMMER SWITCH FLASH TO PASS FOG LAMP RLY CTRL FRONT TURN SIG LAMP FEEDBACK SIG GMC GMLAN SERIAL DATA - 1 GND 18 GRN WIRE GRN/BRN WIRE GRN/YEL WIRE GROUND DISTRIBUTION SYSTEM GRY/BLU WIRE HAVC CONTROL HDLP HI BEAM RLY CTRL HDLP SW FLASH SIG HI BEAM SELECT SW HI BEAM SIG HDLP SW ON SIG HDLP SW OFF SIG HDLP SW REF HDLP SW SIG HIGH BEAM ASSIST HIGH BEAM AUTO ON/OFF SWITCH SIGNAL HOT AT ALL TIMES HVAC CONTROL MODULE LEFT HDLP RLY CTRL LEFT HEADLAMP ASSEMBLY LEFT HIGH BEAM HEADLAMP LEFT LOW BEAM HEADLAMP LF DRL CTRL LH HDLP LOW BEAM CTRL LOW REFERENCE LOW SPEED GMLAN MODULE LIN BUS 1 RED/BLU WIRE RED/BRN WIRE RED/GRY WIRE RF DOOR AJAR SW SIG RH HDLP LOW BEAM CTRL RIGHT FRONT DRL CTRL RIGHT HEADLAMP ASSEMBLY RIGHT HIGH BEAM HEADLAMP RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT LOW BEAM HEADLAMP SERIAL DATA SOLAR SENSOR TURN SIGNAL/ MULTI-FUNCTION SWITCH VIO/BLK WIRE W/ LED W/O LED WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRY WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE YEL/BRN WIRE

BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BRN WIRE BRN WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY FRONT FOG LIGHT IND GMC GND 18 GRN/BRN WIRE GRY WIRE GRY/BLU WIRE GRY/GRN WIRE HIGH BEAM IND HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT CLUSTER LEFT DAYTIME RUNNING LAMP, LEFT FRONT FOG LAMP LEFT HEADLAMP LEFT HEADLAMP ASSEMBLY LEFT HEADLAMP MULTI-FUNCTION LED CONTROL MODULE LOGIC LOGIC (W/ BASE) LOW SPD GMLAN SERIAL DATA 2 RIGHT DAYTIME RUNNING LAMP RIGHT FRONT FOG LAMP RIGHT HEADLAMP RIGHT HEADLAMP ASSEMBLY RIGHT HEADLAMP MULTI-FUNCTION LED CONTROL MODULE RIGHT INSTRUMENT PANEL FUSE BLOCK RUN/CRANK IGN 1 VOL 16 VIO WIRE VIO/BLK WIRE W/ BASE W/O BASE WHT WIRE WHT/BRN WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE YEL/GRY WIRE

A/C COMPRESSOR A/C COMPRESSOR CLUTCH A/C COMPRESSOR SOLENOID VALVE A/C COMPRESSOR SOLENOID VALVE CTRL AUXILIARY HEATER CTRL BATT POSITIVE VOLT BLK WIRE BLOWER MOTOR (RIGHT SIDE OF DASH) BLOWER MTR SPD CTRL BLOWER SPEED FEEDBACK SIGNAL BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/YEL WIRE BODY CONTROL MODULE BRN/GRN WIRE COMPUTER DATA LINES SYSTEM ELECTRICAL AUXILIARY HEATER GRN WIRE GRN/BLU WIRE GRN/YEL WIRE GROUND HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED HVAC CONTROL MODULE (BEHIND UPPER LEFT SIDE OF DASH) HVAC CONTROL MODULE LIN BUS 1 HVAC CONTROL MODULE LIN BUS 2 LOGIC LOW SPD GMLAN SERIAL DATA NCA WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK RUN IGNITION 3 VOLTAGE SERIAL DATA (-) (1) VIO WIRE VIO/BRN WIRE VIO/GRY WIRE WHT WIRE

BATTERY FUSE BLOCK BLK WIRE BLU WIRE BLU/WHT WIRE BODY CONTROL MODULE (UNDER LEFT SIDE OF DASH) CAMPER/ COMPUTER DATA LINES SYSTEM GRN/BLU WIRE GRN/VIO WIRE GROUND DISTRIBUTION SYSTEM GRY/BRN WIRE HI SPD GMLAN SER DATA (+) 1 HOT AT ALL TIMES LEFT TRAILER TURN SIG LAMP LIN BUS 2 RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE RIGHT TRAILER TURN SIG LAMP TRAILER AUXILARY CONTROL TRAILER BRAKE APPLY SIG TRAILER BRAKE POWER CONTROL MODULE TRAILER BRAKES PROVISION (BLUNT CUT) (UNDER LEFT SIDE OF INSTRUMENT PANEL) TRAILER CONNECTOR UNDERHOOD FUSE BLOCK W/ INTEGRATED TRAILER BRAKE CONTROL W/ SPECIAL EQUIPMENT W/ TRAILER HITCH PREPARATION PACKAGE W/O INTEGRATED TRAILER BRAKE CONTROL W/O SPECIAL EQUIPMENT W/O TRAILER HITCH PREPARATION PACKAGE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE YEL/BLU WIRE YEL/GRY WIRE

BATT POS VOLT 56 BLK WIRE BLU WIRE COMPUTER DATA LINES SYSTEM EXTERIOR LAMPS CIRCUIT GND 17 GRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRY/BRN WIRE HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT 4 LAMP CTRL LOW SPD GMLAN SERIAL DATA RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE RLY COIL CTRL SECONDARY FUSED BATTERY POSITIVE VOLTAGE 58 TRAILER BACKUP LAMP CTRL TRAILER CONNECTOR TRAILER LIGHTING CONTROL MODULE TRAILER PARK LAMP CTRL UNDERHOOD FUSE BLOCK VIO/GRN WIRE VIO/WHT WIRE W/ SPECIAL EQUIPMENT W/O SPECIAL EQUIPMENT WHT WIRE WHT/GRN WIRE YEL/BLU WIRE YEL/GRY WIRE