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

ACC WAKEUP SER DATA BATT POSITIVE VOLT BLK/BRN WIRE BLK/WHT WIRE BLU/GRY WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN WIRE BRN/WHT WIRE CLUTCH A CTRL CLUTCH B CTRL CLUTCH C CTRL CLUTCH G CTRL COMPUTER DATA LINES SYSTEM DK BLU WIRE DRIVER INFORMATION CENTER ASSEMBLY DRIVER SIG 1 DRIVER SIG 2 GRY WIRE GRY/BRN WIRE GRY/DK BLU WIRE GRY/GRN WIRE GRY/WHT WIRE HI SPD SER DATA (-) 1 HI SPD SER DATA (-) 1 PRNDL P SIG HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INPUT SPD SIG LO SPD GMLAN SER DATA 2 LOGIC INSTRUMENT CLUSTER LT GRN/BLK WIRE LT GRN/GRY WIRE LT GRN/VIO WIRE LT GRN/YEL WIRE NCA WIRE OUTPUT SPD SIG POWER DISTRIBUTION SYSTEM PPL/GRY WIRE PRESS SW SIG BIT 1 PRESS SW SIG BIT 2 PRESS SW SIG BIT 3 PRESS SW SIG BIT 4 PRNDL A SIG PRNDL B SIG PRNDL C SIG RED/GRN WIRE RUN/CRANK IGN 1 VOLT SENS LO REF SHIFT SOL CTRL 5 SHIFT SOL VALVE CTRL 1 SHIFT SOL VALVE CTRL 2 SIG GND SW PERFORMANCE SIG TAP UP/TAP DOWN SW SIG TCM/ ECM FUSE TEMPERATURE SENS SIG TOW/ HAUL IND TOW/ HAUL MODE SWITCH TRANS IGN FUSE TRANSMISSION CONTROL MODULE TRANSMISSION MANUAL SHIFT SWITCH TRANSMISSION SHIFT LEVER UNDERHOOD FUSE BLOCK VIO/BLK WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BRN WIRE WHT/LT GRN WIRE YEL/BLK WIRE YEL/DK BLU WIRE YEL/LT GRN WIRE

BATTERY FUSE BLOCK BLK WIRE BODY CONTROL MODULE BRN WIRE BRN/WHT WIRE FUSE 2 GRN WIRE GRN/WHT WIRE GRY WIRE HORN HORN FUSE HORN RELAY HORN RLY CTRL HORN SW SIG HORN SWITCH HOT AT ALL TIMES POWER DISTRIBUTION SYSTEM RED WIRE STEERING WHEEL AIR BAG COIL UNDERHOOD FUSE BLOCK WHT WIRE YEL WIRE

ACCY/RUN CRNK FUSE BATT POSITIVE VOLT BLK WIRE BLK/WHT WIRE BLU/BRN WIRE BLU/GRY WIRE BRN WIRE BRN/GRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE ENABLE SIG ENG SHUTDOWN SIG ENGINE CONTROL MODULE GRN/WHT WIRE HI SPD SER DATA (-) 1 HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT PANEL MULTI- FUNCTION SWITCH LEFT INSTRUMENT PANEL FUSE BLOCK MISC IGN FUSE POWER DISTRIBUTION SYSTEM POWER TAKE OFF SWITCH DIODE POWER TAKE-OFF CONTROL MODULE PWR TAKE OFF CTRL SW RED/BLU WIRE RED/VIO WIRE REMOTE ENG ST SW SIG REMOTE SW SET SIG 1 RIGHT INSTRUMENT PANEL FUSE BLOCK RLY COIL CTRL RLY ENGAGE SIG SER DATA ENABLE SIG GND STATUS SIG SW NORMALLY CLOSED SIG UNDERHOOD FUSE BLOCK VIO/BLU WIRE VIO/LT GRN WIRE VIO/WHT WIRE WHT WIRE WHT/DK BLU WIRE WHT/GRN WIRE YEL WIRE

2 HI IND CTRL 4 HI IND CTRL 4 LO IND CTRL 5 VOLT REF ACC WAKEUP SERIAL DATA ACCY/ RUN CRNK FUSE BATT + BLK WIRE BLU/GRY WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DRIVER INFORMATION CENTER ASSEMBLY FRONT AXLE ENGAGEMENT ACTUATOR FT AXLE ACTUATOR CTRL GMLAN SERIAL DATA - 1 GRN/BLK WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/RED WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INCREMENTAL ENCDR SENS RTN INCREMENTAL ENCDR SENS SPLY INCRMT ENCODER DIR SIG INSTRUMENT CLUSTER INSTRUMENT PANEL JUNCTION BLOCK J102 (6.6L TURBO DIESEL) J123 (6.6L TURBO DIESEL) J124 (6.0L) LEFT INSTRUMENT PANEL FUSE BLOCK LOGIC LOW SPD GMLAN SERIAL DATA 2 MTR CLOCKWISE CTRL MTR COUNTER CLOCKWISE CTRL NEUTRAL IND CTRL RED/GRY WIRE ROTARY POS IMPULSE SIG RUN/CRANK IGN 1 VOLT TRANS IGN FUSE TRANSFER CASE CONTROL MODULE UNDERHOOD FUSE BLOCK VIO WIRE VIO/BLK WIRE VIO/GRN WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/GRN WIRE YEL WIRE YEL/GRY WIRE YEL/VIO WIRE YEL/WHT WIRE

A/C COMPRESSOR CLUTCH RELAY CTRL A/C REFRIGERANT PRESSURE SENS LOW REF A/C REFRIGERANT PRESSURE SENS SIG A/C REFRIGERANT PRESSURE SENSOR ACCELERATOR PEDAL POSITION SENSOR ACCESSORY WAKEUP SERIAL DATA AIR CONDITIONING SYSTEM AMBIENT AIR TEMP SENS SIG APP LOW REF 1 APP LOW REF 2 APP SENS 2 SIG APP SENS SIG 1 BATTERY POSITIVE VOLT BLK WIRE BLK/BRN WIRE BLK/DK BLU WIRE BLK/LT GRN WIRE BLK/VIO WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/VIO WIRE BRAKE APPLY SENS SIG BRAKE APPLY SENS SPLY VOLT BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CHECK ENGINE INDICATOR CTRL COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM CRUISE CONTROL SYSTEM CRUISE/ETC/TCC BRAKE SIG DATA OUT SIG DK BLU WIRE DK BLU/WHT WIRE DK BLU/YEL WIRE DOOR LOCKS SYSTEM ENGINE CONTROL MODULE EVAP CANISTER VENT SOL CTRL EVAPORATIVE EMISSION VENT SOLENOID VALVE FOUR WHEEL DRIVE LOW SIG FOUR WHEEL DRIVE WHEEL LOCK IND FUEL LEVEL SENS LOW REF FUEL LEVEL SENS SIG FUEL LINE PRESSURE SENS LOW REF FUEL LINE PRESSURE SENS SIG FUEL RAIL PRESSURE SENS SIG FUEL TANK PRESSURE SENS SIG FUEL TANK PRESSURE SENSOR FUEL TEMP/COMPOSITION SIG GMLAN SERIAL DATA (-) 3 GMLAN SERIAL DATA - 1 GRN WIRE GRY WIRE GRY/BLK WIRE HIGH SPD COOLING FAN RELAY CTRL HOOD OPEN SW SIG LT GRN WIRE LT GRN/WHT WIRE POWERTRAIN RELAY COIL CTRL PRESSURE SENS SIG RED/BRN WIRE RED/LT GRN WIRE RELAY FUSED SPLY 1 RELAY FUSED SPLY 2 RELAY FUSED SPLY 3 BRAKE APPLY SENS LOW REF RUN/CRANK IGNITION 1 VOLT STARTER ENABLE RELAY CTRL STARTING/CHARGING SYSTEM TRANSMISSIONS SYSTEM UNDERHOOD FUSE BLOCK VIO/DK BLU WIRE VIO/GRN WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/GRY WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE YEL/WHT WIRE

A/C COMPRESSOR CLUTCH RELAY BATT POS VOLT BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/LT GRN WIRE BLK/YEL WIRE BLU/BLK WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM DATA (-) (3) DK BLU WIRE DK BLU/WHT WIRE ECM FUSE ECM IGN FUSE ENG FUSE ENGINE CONTROL MODULE WAKEUP RELAY ENGINE CONTROLS IGNITION RELAY ENGINE COOLANT TEMPERATURE SENSOR FPPM FUSE FUEL COMPOSITION SENSOR (LEFT SIDE OF VEHICLE FRAME) FUEL PRESSURE SENSOR FUEL PUMP CTRL FUEL PUMP DRIVER CONTROL MODULE (MOUNTED TO BRACKET ABOVE SPARE TIRE) FUEL PUMP PRIME FUSE GRY WIRE GRY/BRN WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT INJ A ODD FUSE INJ B EVEN FUSE LOW REF NCA WIRE OUT SIG POWER DISTRIBUTION SYSTEM PPL/LT GRN WIRE RED/BRN WIRE RED/GRN WIRE RED/LT GRN WIRE RED/VIO WIRE SER DATA SHIELD SIG SPLY TCM/ ECM FUSE UNDERHOOD FUSE BLOCK VIO/DK BLU WIRE VIO/GRN WIRE VIO/LT GRN WIRE VIO/YEL WIRE WHT WIRE WHT/RED WIRE YEL WIRE YEL/WHT WIRE

A/C COMPRESSOR CLUTCH RELAY CTRL A/C REFRIGERANT PRESSURE SENS SIG A/C REFRIGERANT PRESSURE SENSOR ACCELERATOR PEDAL POSITION SENSOR ACCESSORY WAKEUP SERIAL DATA AIR CONDITIONING SYSTEM AMBIENT AIR TEMP SENS SIG APP LOW REF 1 APP LOW REF 2 APP SENS SIG (2) APP SENS SIG 1 BATTERY POSITIVE VOLT BLK WIRE BLK/BRN WIRE BLK/DK BLU WIRE BLK/LT GRN WIRE BLK/VIO WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/YEL WIRE BRAKE APPLY SENS SIG BRAKE APPLY SENS SPLY VOLT BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CHECK ENGINE INDICATOR CTRL COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM CRUISE CONTROL SYSTEM CRUISE/ETC/TCC BRAKE SIG DATA OUT SIG DK BLU WIRE DK BLU/WHT WIRE DOOR LOCKS SYSTEM ENGINE CONTROL MODULE EVAP CANISTER VENT SOL CTRL EVAPORATIVE EMISSION VENT SOLENOID VALVE FOUR WHEEL DRIVE LOW SIG FOUR WHEEL DRIVE WHEEL LOCK IND FUEL LEVEL SENS SIG FUEL LINE PRESSURE SENS LOW REF FUEL LINE PRESSURE SENS SIG FUEL RAIL PRESSURE SENS SIG FUEL TANK PRESSURE SENS SIG FUEL TANK PRESSURE SENSOR FUEL TEMP/COMPOSITION SIG FUSED SPLY 3 BRAKE APPLY SENS LOW REF GMLAN SERIAL DATA (-) 3 GMLAN SERIAL DATA - 1 GRN WIRE GRN/VIO WIRE GRY WIRE GRY/BLK WIRE HIGH SPD COOLING FAN RELAY CTRL HOOD OPEN SW SIG LT GRN WIRE LT GRN/WHT WIRE POWERTRAIN RELAY COIL CTRL PRESSURE SENS LOW REF PRESSURE SENS SIG RED/BRN WIRE RED/LT GRN WIRE RELAY FUSED SPLY 1 RELAY FUSED SPLY 2 RUN/CRANK IGNITION 1 VOLT SENS LOW REF STARTER ENABLE RELAY CTRL STARTING/CHARGING SYSTEM TRANSMISSIONS SYSTEM UNDERHOOD FUSE BLOCK VIO/DK BLU WIRE VIO/GRN WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/GRY WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE YEL/WHT WIRE

A/C COMPRESSOR CLUTCH RELAY ACTIVE GRILLE AIR SHUTTER 1 MOTOR MODULE BATT POS VOLT BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/LT GRN WIRE BLK/YEL WIRE BLU/BLK WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM DATA (-) (3) DK BLU WIRE DK BLU/BLK WIRE DK BLU/WHT WIRE ECM FUSE ECM IGN FUSE ENG FUSE ENGINE CONTROL MODULE WAKEUP RELAY ENGINE CONTROLS IGNITION RELAY ENGINE COOLANT TEMPERATURE SENSOR FPPM FUSE FUEL COMPOSITION SENSOR FUEL PRESSURE SENSOR FUEL PUMP DRIVER CONTROL MODULE (MOUNTED TO BRACKET ABOVE SPARE TIRE) FUEL PUMP PRIME FUSE GRN WIRE GRN/VIO WIRE GRY WIRE GRY/BRN WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT IGNITION COIL 8 INJ A ODD FUSE INJ B EVEN FUSE LOGIC LOW REF NCA WIRE OUT SIG POWER DISTRI- BUTION SYSTEM PPL/LT GRN WIRE RED WIRE RED/BRN WIRE RED/GRN WIRE RED/LT GRN WIRE RED/VIO WIRE SER DATA SHIELD SIG SPARK PLUG SPLY SPLY VOLT TCM/ ECM FUSE THROT CONT FUSE UNDERHOOD FUSE BLOCK VIO/BLU WIRE VIO/DK BLU WIRE VIO/GRN WIRE VIO/LT GRN WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/RED WIRE YEL WIRE YEL/WHT WIRE

A/C COMPRESSOR CLUTCH RELAY CTRL A/C REFRIGERANT PRESSURE SENS SIG A/C REFRIGERANT PRESSURE SENSOR ACCELERATOR PEDAL POSITION SENSOR ACCESSORY WAKEUP SERIAL DATA AIR CONDITIONING SYSTEM AMBIENT AIR TEMP SENS SIG APP LOW REF 1 APP LOW REF 2 APP SENS SIG (2) APP SENS SIG 1 BATTERY POSITIVE VOLT BLK WIRE BLK/BRN WIRE BLK/DK BLU WIRE BLK/LT GRN WIRE BLK/VIO WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/YEL WIRE BRAKE APPLY SENS SIG BRAKE APPLY SENS SPLY VOLT BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CHECK ENGINE INDICATOR CTRL COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM CRUISE CONTROL SYSTEM CRUISE/ETC/TCC BRAKE SIG DATA OUT SIG DK BLU WIRE DK BLU/WHT WIRE DOOR LOCKS SYSTEM ENGINE CONTROL MODULE EVAP CANISTER VENT SOL CTRL EVAPORATIVE EMISSION VENT SOLENOID VALVE FOUR WHEEL DRIVE LOW SIG FOUR WHEEL DRIVE WHEEL LOCK IND FUEL LEVEL SENS SIG FUEL LINE PRESSURE SENS LOW REF FUEL LINE PRESSURE SENS SIG FUEL RAIL PRESSURE SENS SIG FUEL TANK PRESSURE SENS SIG FUEL TANK PRESSURE SENSOR FUEL TEMP/COMPOSITION SIG FUSED SPLY 3 BRAKE APPLY SENS LOW REF GMLAN SERIAL DATA (-) 3 GMLAN SERIAL DATA - 1 GRN WIRE GRN/VIO WIRE GRY WIRE GRY/BLK WIRE HIGH SPD COOLING FAN RELAY CTRL HOOD OPEN SW SIG LT GRN WIRE LT GRN/WHT WIRE POWERTRAIN RELAY COIL CTRL PRESSURE SENS LOW REF PRESSURE SENS SIG RED/BRN WIRE RED/LT GRN WIRE RELAY FUSED SPLY 1 RELAY FUSED SPLY 2 RUN/CRANK IGNITION 1 VOLT SENS LOW REF STARTER ENABLE RELAY CTRL STARTING/CHARGING SYSTEM TRANSMISSIONS SYSTEM UNDERHOOD FUSE BLOCK VIO/DK BLU WIRE VIO/GRN WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/GRY WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE YEL/WHT WIRE

A/C COMPRESSOR CLUTCH RELAY ACTIVE GRILLE AIR SHUTTER 1 MOTOR MODULE BATT POS VOLT BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/LT GRN WIRE BLK/YEL WIRE BLU/BLK WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM DATA (-) (3) DK BLU WIRE DK BLU/BLK WIRE DK BLU/WHT WIRE ECM FUSE ECM IGN FUSE ENG FUSE ENGINE CONTROL MODULE WAKEUP RELAY ENGINE CONTROLS IGNITION RELAY ENGINE COOLANT TEMPERATURE SENSOR FPPM FUSE FUEL COMPOSITION SENSOR FUEL PRESSURE SENSOR FUEL PUMP DRIVER CONTROL MODULE (MOUNTED TO BRACKET ABOVE SPARE TIRE) FUEL PUMP PRIME FUSE GRN WIRE GRN/VIO WIRE GRY WIRE GRY/BRN WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT IGNITION COIL 8 INJ A ODD FUSE INJ B EVEN FUSE LOGIC LOW REF NCA WIRE OUT SIG POWER DISTRI- BUTION SYSTEM PPL/LT GRN WIRE RED WIRE RED/BRN WIRE RED/GRN WIRE RED/LT GRN WIRE RED/VIO WIRE SER DATA SHIELD SIG SPARK PLUG SPLY SPLY VOLT TCM/ ECM FUSE THROT CONT FUSE UNDERHOOD FUSE BLOCK VIO/BLU WIRE VIO/DK BLU WIRE VIO/GRN WIRE VIO/LT GRN WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/RED WIRE YEL WIRE YEL/WHT WIRE