Chevrolet Silverado T1XX (2019-2022) underhood fuse block Wiring diagrams

2.7L TURBO BACKUP LP RLY CTRL BASE BODY/CHASSIS BATT POS VOLT BATTERY FUSE BLOCK BLK WIRE BLU WIRE BLU/BRN WIRE BODY CONTROL MODULE (LEFT END OF DASH) COMPUTER DATA LINES SYSTEM GRN WIRE GRN/WHT WIRE HI SPD GMLAN SER DATA (+) 1 HOT AT ALL TIMES INSIDE REAR VIEW MIRROR LEFT BACKUP LAMP LEFT TAIL LAMP ASSEMBLY NCA WIRE RADIO RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RIGHT BACKUP LAMP RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT TAIL LAMP ASSEMBLY TRAILER BACKUP LAMPS RELAY UNDERHOOD FUSE BLOCK W/ LOW LEVEL W/ MID/ HIGH LEVEL WHT WIRE WHT/GRN WIRE

BLK/BRN WIRE BLK/WHT WIRE BLK/YEL WIRE BRN WIRE COAX COAX BU DISPLAY DRIVER OUTSIDE REAR VIEW MIRROR GLASS DRIVER OUTSIDE REAR- VIEW MIRROR GRN/WHT WIRE HOT W/ IGNITION MAIN RELAY ENERGIZED HOT W/ TRAILER BACKUP LAMP RELAY ENERGIZED INSIDE REAR VIEW MIRROR LOGIC MIRROR DIMMING NCA WIRE PASSENGER OUTSIDE REAR VIEW MIRROR PASSENGER OUTSIDE REAR VIEW MIRROR GLASS RIGHT INSTRUMENT PANEL FUSE BLOCK UNDERHOOD FUSE BLOCK VIDEO DISPLAY INSIDE REAR VIEW MIRROR CAMERA VIO/WHT WIRE YEL/WHT WIRE

BLK WIRE BLU WIRE BLU/WHT WIRE BRN/WHT WIRE CUSTOM, WORK TRUCK, TRAIL BOSS CUSTOM PACKAGE GRN/VIO WIRE GROUND DISTRIBUTION SYSTEM GRY/BRN WIRE LEFT FRONT SIDE MARKER LAMP LEFT FRONT TURN SIGNAL LAMP LEFT HEADLAMP ASSEMBLY LEFT PARK/TURN SIGNAL LAMP LT, TRAIL BOSS LT, LTZ, RST PACKAGE PARK LAMPS RELAY RED/GRN WIRE STOP LAMP RELAY TRAILER LIGHTING CONTROL MODULE UNDERHOOD FUSE BLOCK VIO/GRY WIRE VIO/WHT WIRE WHT/VIO WIRE

BLK WIRE BRN/WHT WIRE CARGO LAMP RELAY CENTER HIGH MOUNTED STOP LAMP CUSTOM, WORK TRUCK, TRAIL BOSS CUSTOM PACKAGE GRN/VIO WIRE GROUND DISTRIBUTION SYSTEM GRY/BRN WIRE HOT AT ALL TIMES LIFTGATE COURTESY LAMP LT, TRAIL BOSS LT, LTZ, RST PACKAGE RED/WHT WIRE RIGHT FRONT SIDE MARKER LAMP RIGHT FRONT TURN SIGNAL LAMP RIGHT HEADLAMP ASSEMBLY RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT PARK/TURN SIGNAL LAMP UNDERHOOD FUSE BLOCK VIO/GRY WIRE VIO/WHT WIRE WHT/VIO WIRE

BLK WIRE BLU WIRE BLU/VIO WIRE BLU/WHT WIRE BRN/WHT WIRE GRN/VIO WIRE GROUND DISTRIBUTION SYSTEM GRY/BRN WIRE HEADLAMP RELAY HEADLIGHTS SYSTEM LEFT FRONT SIDE MARKER LAMP LEFT FRONT TURN SIGNAL LAMP LEFT HEADLAMP ASSEMBLY LEFT HEADLAMP MULTI-FUNCTION LED CONTROL MODULE PARK LAMPS RELAY RED/GRN WIRE STOP LAMP RELAY TRAILER LIGHTING CONTROL MODULE UNDERHOOD FUSE BLOCK VIO/GRY WIRE VIO/WHT WIRE WHT/BLU WIRE WHT/VIO WIRE YEL WIRE YEL/BRN WIRE YEL/GRY WIRE

BLK WIRE BRN/WHT WIRE CARGO LAMP RELAY CENTER HIGH MOUNTED STOP LAMP GRN/VIO WIRE GROUND DISTRIBUTION SYSTEM GRY/BRN WIRE HEADLIGHTS SYSTEM HOT AT ALL TIMES LIFTGATE COURTESY LAMP RED/WHT WIRE RIGHT FRONT SIDE MARKER LAMP RIGHT FRONT TURN SIGNAL LAMP RIGHT HEADLAMP ASSEMBLY RIGHT HEADLAMP MULTI-FUNCTION LED CONTROL MODULE RIGHT INSTRUMENT PANEL FUSE BLOCK UNDERHOOD FUSE BLOCK VIO/GRY WIRE VIO/WHT WIRE WHT/BLU WIRE WHT/VIO WIRE YEL/GRY WIRE

10 SPEED A/T 6 SPEED A/T 6.6L TURBO DIESEL AUTOMATIC TRANSMISSION ASSEMBLY AUXILIARY HEATER COOLANT PUMP RELAY BATTERY CURRENT SENSOR BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE CONTROL SOLENOID VALVE ASSEMBLY ELECTRONIC BRAKE CONTROL MODULE ENGINE CONTROL MODULE ENGINE COOLANT LEVEL SWITCH ENGINE OIL LEVEL SWITCH GLOW PLUG CONTROL MODULE IGNITION COIL 1 IGNITION COIL 2 IGNITION COIL 3 IGNITION COIL 4 IGNITION COIL 5 IGNITION COIL 6 IGNITION COIL 7 IGNITION COIL 8 MULTI-FUNCTION INTAKE AIR SENSOR NITROGEN OXIDES SENSOR 1 POWER TAKE-OFF CONTROL MODULE TRANSMISSION CONTROL MODULE TURBOCHARGER VANE POSITION ACTUATOR UNDERHOOD FUSE BLOCK

6.6L TURBO DIESEL A/C COMPRESSOR ACTIVE GRILLE AIR SHUTTER 1 ACTUATOR ACTIVE GRILLE AIR SHUTTER 2 ACTUATOR AUXILIARY BATTERY RELAY 1 AUXILIARY BATTERY RELAY 2 BATTERY AUXILIARY FUSE BLOCK BLK WIRE CHARGE AIR COOLER COOLANT PUMP COMPRESSOR CLUTCH COOLING FAN CLUTCH COOLING FAN RELAY ELECTRICAL AUXILIARY HEATER EXHAUST PARTICULATE MATTER SENSOR FRONT AXLE ENGAGEMENT ACTUATOR INFO DISPLAY MODULE J156 (6.6L TURBO DIESEL) J361 (6.6L TURBO DIESEL) NCA WIRE NITROGEN OXIDES SENSOR 2 POWER STEERING CONTROL MODULE RADIO REDUCTANT CONTROL MODULE STARTER RELAY TELEMATICS COMMUNICATIONS INTERFACE CONTROL MODULE TRANSFER CASE CONTROL MODULE UNDERHOOD AUXILIARY FUSE BLOCK UNDERHOOD FUSE BLOCK VIDEO PROCESSING CONTROL MODULE W/ AUXILIARY BATTERIES W/ ON STAR WHT WIRE

AJAR SW SIG BATT POS VOLT 4 BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/VIO WIRE BLU/WHT WIRE BRAKE FLUID LEVEL SWITCH BRK FLUID LVL SENS SIG BRN WIRE COMPUTER DATA LINES SYSTEM ELECTRONIC BRAKE CONTROL MODULE (BEHIND UNDERHOOD FUSE BLOCK) FUEL PUMP DRIVER CONTROL MODULE GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/RED WIRE HI SPD GMLAN SER DATA (+) 1 HOT AT ALL TIMES HOT W/ IGNITION RELAY ENERGIZED LEVEL SENS SIG LIN BUS 3 LOGIC LOW REF 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 PASSENGER WINDOW MOTOR PRIMARY FUEL LEVEL SENSOR PRIMARY FUEL PUMP, LEVEL SENSOR ASSEMBLY RED/YEL WIRE RF DR SECONDARY FUEL LEVEL SENSOR SECONDARY FUEL PUMP, LEVEL SENSOR ASSEMBLY SERIAL DATA (-) 7 UNDERHOOD FUSE BLOCK VIO/BLU WIRE W/ DUAL TANK W/O DUAL TANK WHT WIRE YEL WIRE YEL/RED WIRE

2.7L TURBO BACKUP ALARM (IF EQUIPPED) BACKUP LAMP RELAY CONTROL BATTERY FUSE BLOCK BLK WIRE BLU WIRE BLU/BRN WIRE BLU/WHT WIRE BODY CONTROL MODULE (LEFT END OF DASH) COMPUTER DATA LINES SYSTEM EXTERIOR LAMPS CIRCUIT GMLAN SERIAL DATA - 1 GRN WIRE GRN/VIO WIRE GRN/WHT WIRE GROUND 17 GRY/BRN WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED LEFT TRAILER STOP/TURN SIGNAL LAMP RELAY LEFT TRAILER TURN SIG LAMP CONTROL LH REAR TRAILER STOP/TURN LAMP CTRL LOW SPEED GMLAN SERIAL DATA NCA WIRE PARK LAMP RELAY CONTROL PARK LAMPS RELAY RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE RH REAR TRAILER STOP/TURN LAMP CTRL RIGHT TRAILER STOP/TURN SIGNAL LAMP RELAY RIGHT TRAILER TURN SIG LAMP CONTROL RUN/CRANK IGNITION 1 VOLTAGE 4 SECONDARY FUSED BATTERY POSITIVE VOLTAGE 56 SECONDARY FUSED BATTERY POSITIVE VOLTAGE 58 STOP LAMP RELAY COIL CONTROL TRAILER BACKUP LAMP CONTROL TRAILER BACKUP LAMPS RELAY TRAILER CONNECTOR TRAILER LIGHTING CONTROL MODULE TRAILER PARK LAMP CONTROL 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