Chevrolet Silverado GMT K2XX facelift (2015-2019) underhood fuse block Wiring diagrams

BACKUP LP RLY CTRL BATT POS VOLT BATTERY FUSE BLOCK BCK UP LAMP FUSE BCM 5 FUSE BLK WIRE BLU/BRN WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DK BLU WIRE FUSE 2 GMC GRN/RED WIRE HI SPD GMLAN SER DATA (+) 1 HOT AT ALL TIMES HUMAN MACHINE INTERFACE CONTROL MODULE BYPASS MODULE INSIDE REAR VIEW MIRROR INSTRUMENT PANEL JUNCTION BLOCK J124 (6.0L VIN G, 6.0L VIN B) J123 (6.6L TURBO DIESEL) LEFT BACKUP LAMP LEFT INSTRUMENT PANEL FUSE BLOCK LEFT LOWER TAIL/STOP, TURN SIGNAL LAMP LEFT REAR SIDE MARKER LAMP LEFT TAIL LAMP ASSEMBLY LEFT UPPER TAIL/STOP, TURN SIGNAL LAMP LOGIC LT GRN WIRE LT GRN/WHT WIRE NCA WIRE REAR VIEW CAMERA RED/BRN WIRE RED/GRN WIRE REV LAMP FUSE RIGHT BACKUP LAMP RIGHT LOWER TAIL/STOP, TURN SIGNAL LAMP RIGHT REAR SIDE MARKER LAMP RIGHT TAIL LAMP ASSEMBLY RIGHT UPPER TAIL/STOP, TURN SIGNAL LAMP TRAILER BACKUP LAMPS RELAY UNDERHOOD FUSE BLOCK W/ BODY EQUIPMENT W/O BODY EQUIPMENT W/ LED W/ SPECIAL EQUIPMENT W/O LED WHT WIRE WHT/LT GRN WIRE

A/C CMPRSR MDL/BATT RVC FUSE BATT POS VOLT BATTERY BATTERY CURRENT SENSOR BATTERY FUSE BLOCK BLK WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/VIO WIRE BODY CONTROL MODULE BRN WIRE CHARGE IND CHARGE IND CTRL COMPUTER DATA LINES SYSTEM CURRENT SENS LOW REF CURRENT SENS SIG CURRENT SENS SPLY VOLT DK BLU WIRE DRIVER INFORMATION CENTER DISPLAY ECM IGN FUSE ENGINE CONTROL MODULE EXCEPT BASE EQUIPMENT BASE EQUIPMENT FUSE 2 GENERATOR GENERATOR FIELD DUTY CYCLE SIG GRN WIRE GRY WIRE GRY/GRN WIRE HI SPD GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT CLUSTER INSTRUMENT PANEL JUNCTION BLOCK IPC FUSE LEFT INSTRUMENT PANEL FUSE BLOCK LOGIC LOW SPD GM LAN SERIAL DATA LT GRN WIRE PPL PPL/LT GRN WIRE RED WIRE RED/GRY WIRE RED/YEL WIRE RUN/CRANK IGN 1 VOLT UNDERHOOD FUSE BLOCK VIO WIRE WHT WIRE WHT/YEL WIRE YEL WIRE

A/C CMPRSR MDL/BATT RVC FUSE B+ VOLT BASE EQUIPMENT BLK WIRE BLK/WHT WIRE BLU/YEL WIRE BRN WIRE COMBINED VEHICLE INERTIAL SENSOR SUPPLY VOLT COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/YEL WIRE DK GRN WIRE DRIVER INFORMATION CENTER DISPLAY ELECTRONIC BRAKE CONTROL MODULE EXCEPT BASE EQUIPMENT GROUND GRY/GRN WIRE HI SPD GMLAN SERIAL DATA (-) (1) HI SPD GMLAN SERIAL DATA (-) (2) HOT AT ALL TIMES INSTRUMENT CLUSTER LEFT PRESSURE SENSOR LOGIC LOW REF LOW SPD GMLAN SERIAL DATA 2 LT GRN/BRN WIRE NCA WIRE POWER STEERING CONTROL MODULE (ON POWER STEERING RACK ASSEMBLY) POWER STEERING PRESSURE SENSOR RED WIRE RED/WHT WIRE RIGHT PRESSURE SENSOR SERIAL DATA COMMUNICATION ENABLE SIGNAL GROUND STEERING SOL CONTROL STEERING SOL LOW REF STEERING WHEEL ANGLE SENSOR UNDERHOOD FUSE BLOCK VARIABLE POWER STEERING SOLENOID VALVE WHT WIRE WHT/DK BLU WIRE

BLK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/WHT WIRE CHMSL FUSE DK BLU WIRE DK GRN WIRE GMC/ CHEVROLET GRN/VIO WIRE GROUND DISTRIBUTION SYSTEM GRY/BRN WIRE HEADLIGHTS J124 (EXCEPT 6.6L) J123 (6.6L) LT BLU WIRE LT GRN WIRE ORG/ WIRE PNK WIRE PPL PRK LAMP LT FUSE PRK LAMP RT FUSE RED WIRE RED/GRN WIRE RIGHT FRONT PARK LAMP RIGHT HEADLAMP ASSEMBLY RIGHT HEADLAMP MULTI-FUNCTION LED CONTROL MODULE RIGHT LOWER PARK/TURN SIGNAL LAMP RIGHT PARK DAYTIME RUNNING LAMP RIGHT PARK/TURN SIGNAL LAMP RIGHT UPPER PARK/TURN SIGNAL LAMP STOP LAMP RELAY SYSTEM TRAILER PARK LAMPS RELAY UNDERHOOD FUSE BLOCK VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/VIO WIRE YEL WIRE YEL/BLU WIRE

BATTERY FUSE BLOCK BLK WIRE BLU/BRN WIRE BRN WIRE BRN/VIO WIRE DISTRIBUTION FOG LAMP FUSE FRONT FOG LAMP RELAY FUSE 2 GROUND DISTRIBUTION SYSTEM GRY/BLU WIRE HDLP RT/LT FUSE HEADLAMP HIGH BEAM RELAY HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED LEFT HEADLAMP LEFT HEADLAMP ASSEMBLY LEFT HEADLAMP MULTI-FUNCTION LED CONTROL MODULE LEFT HIGH BEAM SOLENOID ACTUATOR LEFT LOW BEAM HEADLAMP LEFT PARK DAYTIME RUNNING LAMP LOGIC MISC IGN FUSE NCA WIRE POWER RED/GRN WIRE SYSTEM UNDERHOOD FUSE BLOCK VIO/GRY WIRE W/ HIGH INTENSITY DISCHARGE W/O HIGH INTENSITY DISCHARGE W/O HIGH INTENSITY DISCHARGE W/ HIGH INTENSITY DISCHARGE CHEVROLET GMC WHT WIRE YEL WIRE YEL YEL WIRE

ASSIST STEP CONTROL MODULE BATT POS VOLT BLK WIRE BLU WIRE BLU/YEL WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DISABLE SIG DK GRN WIRE DRIVER INFORMATION CENTER DISPLAY ELC RNG BDS FUSE GRN WIRE GRN/RED WIRE GRY WIRE GRY/GRN WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL MULTIFUNCTION SWITCH LEFT ASSIST STEP LEFT ASSIST STEP KICK SWITCH LH 5 VOLT REF LH LO REF LH SIG (-) LO REF LO SPEED GMLAN SERIAL DATA LOGIC LOW SPEED SERIAL DATA 2 MTR LH CTRL EXTEND MTR LH CTRL RETRACT MTR RH CTRL EXTEND MTR RH CTRL RETRACT NCA WIRE RED/YEL WIRE RH 5 VOLT REF RH LO REF RH SIG (-) RIGHT ASSIST STEP RIGHT ASSIST STEP KICK SWITCH SW SIG LH SW SIG RH UNDERHOOD FUSE BLOCK VIO WIRE VIO/RED WIRE WHT/BRN WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE

4.3L, 5.3L, 6.2L 6.0L 4.3L/ 5.3L 6 SPEED 8 SPEED 6.0L 4.3L, 5.3L, 6.2L 6.0L 8 SPEED AUTOMATIC TRANSMISSION ASSEMBLY AUTOMATIC TRANSMISSION ASSEMBLY (6 SPEED) BATTERY BATTERY CURRENT SENSOR BATTERY FUSE BLOCK BLK WIRE BLK/GRY WIRE BLK/WHT WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) CHARGING CIRCUIT COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY DK BLU WIRE ECM IGN FUSE ENGINE CONTROL MODULE FUEL PUMP PRIME FUSE FUSE 2 GMLAN SERIAL DATA - 1 GRY WIRE HIGH SPEED GMLAN SERIAL DATA (-) (1) HOT W/ ENGINE CONTROL MODULE WAKEUP RELAY ENERGIZED HOT W/ IGNITION MAIN RELAY ENERGIZED IGN KEY SIG IGNITION SWITCH J126 (4.3L, 5.3L) J125 (6.0L) LOW REF OFF OFF/RUN/ CRANK VOLT RED WIRE RED/GRN WIRE RED/YEL WIRE RUN WIRE RUN/CRANK IGN 1 VOLT SIG GND STARTER ENABLE RELAY CTRL STARTER MOTOR STARTER RELAY STRTR FUSE TRANSMISSION CONTROL MODULE TRANSMISSION INTERNAL MODE SWITCH TRANSMISSION PARK/ NEUTRAL SIG 1 UNDERHOOD FUSE BLOCK VIO/GRN WIRE VIO/LT GRN WIRE WHT WIRE WHT/BLK WIRE WHT/GRY WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE

BATTERY FUSE BLOCK BLK WIRE BLU WIRE BLU/WHT WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DK BLU WIRE FUSE 2 GROUND DISTRIBUTION SYSTEM GRY/BRN WIRE HI SPD GMLAN SER DATA (+) 1 HOT AT ALL TIMES INSTRUMENT PANEL JUNCTION BLOCK LEFT TRAILER TURN SIG LAMP LT GRN/VIO WIRE RED/GRN WIRE RED/LT GRN WIRE RIGHT TRAILER TURN SIG LAMP TRAILER BRAKE APPLY SIG TRAILER BRAKE POWER CONTROL MODULE TRAILER BRAKE PROVISION (BLUNT CUT) TRAILER CONNECTOR TRLR BRK FUSE UNDERHOOD FUSE BLOCK WHT WIRE WHT/BLU WIRE WHT/LT GRN WIRE YEL/GRY WIRE

AUXILIARY BATTERY FUSE BLOCK BACKUP LAMPS CIRCUIT BLU WIRE BLU/WHT WIRE BLUNT CUT) FUSE 2 GRY/BRN WIRE HOT AT ALL TIMES LEFT TRAILER STOP/TURN SIGNAL LAMP RELAY LT GRN WIRE LT GRN/VIO WIRE RED/GRN WIRE RED/LT GRN WIRE REV LAMP FUSE RIGHT TRAILER STOP/TURN SIGNAL LAMP RELAY TRAILER BACKUP LAMPS RELAY TRAILER CAMPER PROVISION TRAILER PARK LAMPS RELAY TRLR BATT FUSE TRLR PRK LAMP FUSE TRLR STOP TRN LT FUSE TRLR STOP TRN RT FUSE UNDERHOOD FUSE BLOCK W/ SPECIAL EQUIPMENT W/O SPECIAL EQUIPMENT WHT WIRE WHT/LT GRN WIRE YEL/GRY WIRE

BATT POS VOLT BCM 1 FUSE BCM 2 FUSE BLK WIRE BLK/GRY WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN/GRY WIRE BRN/LT GRN WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DRIVER INFORMATION CENTER DISPLAY FRT WASH FUSE FRT WPR FUSE GRY WIRE GRY/GRN WIRE GRY/VIO WIRE HI LO HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL JUNCTION BLOCK J124 (EXCEPT 6.6L) J123 (6.6L) LEFT INSTRUMENT PANEL FUSE BLOCK LO WASHER FLUID IND CTRL LOGIC LOW REF MIST MIST HI OFF LO INT INT MTR PARK SW SIG OFF RED WIRE RED/BRN WIRE RED/WHT WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK SERIAL DATA (-) (1) SERIAL DATA 2 TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK VIO WIRE W/ BASE EQUIPMENT W/O BASE EQUIPMENT WASHER RLY CTRL WASHER SW SIG WASHER SWITCH WHT WIRE WHT/BLK WIRE WHT/VIO WIRE WINDSHIELD WASHER FLUID LEVEL SWITCH WINDSHIELD WASHER PUMP WINDSHIELD WASHER PUMP RELAY WINDSHIELD WIPER MOTOR WINDSHIELD WIPER MTR RLY COIL SUPPLY VOLT WINDSHIELD WIPER RELAY WINDSHIELD WIPER SPEED CONTROL RELAY WINDSHIELD WIPER SW HI SIG WIPER SW HI SIG WIPER SW LOW SIG WIPER SWITCH YEL/BLU WIRE YEL/BRN WIRE