Chevrolet Silverado GMT K2XX facelift (2015-2019) computer data lines system Wiring diagrams

BATTERY BATTERY FUSE BLOCK BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN WIRE CHARGE IND CTRL CHARGE INDICATOR COMPUTER DATA LINES SYSTEM DK BLU WIRE DRIVER INFORMATION CENTER DISPLAY ECM IGN FUSE ENGINE CONTROL MODULE FUSE 2 GENERATOR GENERATOR FUSE HOLDER GENERATOR SIG GRN WIRE GRY WIRE GRY/GRN WIRE HOT W/ IGNITION MAIN RELAY ENERGIZED I/P BEC 1 FUSE INSTRUMENT PANEL JUNCTION BLOCK IPC FUSE LEFT INSTRUMENT PANEL FUSE BLOCK LOGIC INSTRUMENT CLUSTER LOW SPEED GM LAN SERIAL DATA LT GRN WIRE RED WIRE RED/GRY WIRE RUN/CRANK IGN 1 VOLT SERIAL DATA (-) (1) SNOW PLOW FUSE BLOCK (IF EQUIPPED) SNOW PLOW FUSE HOLDER SNOW PLOW RELAY STARTING CIRCUIT UNDERHOOD FUSE BLOCK VIO WIRE VIO/LT GRN WIRE WHT WIRE WHT/BLU WIRE YEL 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

BANK 1 SENS 2 BANK 2 SENS 2 BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/WHT WIRE BLU WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE BPP SENS SIG BRAKE PEDAL POSITION SENSOR BRK APPLY BRN WIRE BRN/WHT WIRE CLUSTER SYSTEM COMPUTER DATA LINES SYSTEM CYCLE SIG DATA DK BLU WIRE DK GRN WIRE ECT SENS SIG ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) FUEL TANK SIG GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/RED WIRE GRY/WHT WIRE INSTRUMENT INSTRUMENT CLUSTER SYSTEM INSTRUMENT PANEL JUNCTION BLOCK LOW REF LT BLU WIRE MAP SENS SIG NCA WIRE PLUG PNK WIRE PRESS SENS LOW REF RED WIRE RED/YEL WIRE SENS CTRL SENS LOW REF SENS SIG SOLENOID CTRL SPARK STARTING/ CHARGING SYSTEM TEMP SENS LOW REF TOS SIG TRANSMISSIONS SYSTEM VIO/BLU WIRE VIO/DK BLU WIRE VIO/GRN WIRE VIO/WHT WIRE VSS LOW REF VSS SIG W/ BASE EQUIPMENT W/O BASE EQUIPMENT W/O BODY EQUIPMENT WHT WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/YEL WIRE YEL/BLU WIRE YEL/RED WIRE

A/C SENS SIG AIR CONDITIONING SYSTEM APP SENS SIG (2) APP SENS SIG 1 BATT POS VOLT BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/VIO WIRE BLK/WHT WIRE BRAKE SIG BRN WIRE BRN/RED WIRE BRN/WHT WIRE CHARGE IND CTRL CLUTCH RLY CTRL COIL CTRL COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM DK BLU WIRE ENABLE RLY CTRL ENGINE CONTROL MODULE EVAPORATIVE EMISSIONS VENT SOLENOID VALVE FUEL PUMP 2 FUSE FUEL PUMP RLY CTRL GRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE HOT W/ IGNITION MAIN RELAY ENERGIZED HUMIDITY SENS SIG IGNITION 1 VOLT IND CTRL INLET PRESS SENS SIG LOW REF LOW REF (1) LOW REF 2 MAF SENS SIG MULTI-FUNCTION INTAKE AIR SENSOR PARK/NEUTRAL SIG (1) PRIMARY RLY CTRL RED/BRN WIRE RED/LT GRN WIRE SECONDARY FUEL PUMP SECONDARY FUEL PUMP RELAY SECONDARY FUEL PUMP, LEVEL SENSOR ASSEMBLY SERIAL DATA (-) (1) STARTING/ CHARGING SYSTEM STARTING/CHARGING SYSTEM TEMP SENS SIG TRANSMISSIONS SYSTEM UNDERHOOD FUSE BLOCK VENT SOL CTRL VIO/DK BLU WIRE VIO/LT GRN WIRE VIO/YEL WIRE WAKEUP SERIAL DATA WHT WIRE WHT/BLU WIRE WHT/GRY WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/WHT WIRE

ACC WAKEUP SERIAL DATA BATT POS VOLT BLK WIRE BLK/BLU WIRE BLK/LT GRN WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLUNT CUT) BRN/RED WIRE BRN/WHT WIRE CHASSIS CONTROL MODULE (BETWEEN FRONT SEATS) COMPUTER DATA LINES SYSTEM DK BLU/WHT WIRE ECM IGN FUSE ENG FUSE ENGINE CONTROLS IGNITION RELAY FPPM FUSE FUEL LINE PRESSURE FUEL PRESSURE SENSOR FUEL PUMP CTRL FUEL PUMP GND FUEL PUMP PRIMARY FUEL PUMP SHIELD GMLAN SERIAL DATA - 1 GRN/GRY WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN NCA WIRE PRESSURE SENS GND PRIMARY FUEL PUMP, PRIMARY FUEL PUMP, LEVEL SENSOR ASSEMBLY RED/BRN WIRE RED/GRN WIRE RED/LT GRN WIRE RED/VIO WIRE RELAY CTRL SENS SIG SHIELD TCM/ ECM FUSE THROT CONT FUSE UNDERHOOD FUSE BLOCK VIO/DK BLU WIRE VIO/LT GRN WIRE VIO/YEL WIRE WHT WIRE WHT/RED WIRE YEL WIRE YEL/WHT WIRE

A/C COMPRESSOR CLUTCH RELAY AHA/ AHA RVC FUSE BLK/BRN WIRE BLK/GRN WIRE BLK/LT GRN WIRE BLU WIRE BLU/VIO WIRE BLU/WHT WIRE BRN/WHT WIRE CHK ENG COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE COOLANT TEMPERATURE SENSOR ENGINE OIL PRESSURE IND EVAPORATIVE EMISSION PURGE SOLENOID VALVE FROM THROT CONT FUSE (DIAGRAM 2 OF 7) FUEL GAUGE IND FUEL TANK PRESSURE SENSOR GMLAN GRN/BLU WIRE GRY/GRN WIRE HOT AT ALL TIMES IND CTRL INJ A ODD FUSE INJ B EVEN FUSE INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM LO SPD LOGIC MALFUNCTION IND LAMP (MIL) PPL/WHT WIRE RED/YEL WIRE UNDERHOOD FUSE BLOCK VIO/DK BLU WIRE YEL/RED WIRE

BANK 1 SENS 2 BANK 2 SENS 2 BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/LT GRN WIRE BLK/WHT WIRE BLU WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE BPP SENS SIG BRAKE PEDAL POSITION SENSOR BRK APPLY SENS CTRL BRN WIRE BRN/WHT WIRE CLUSTER SYSTEM COMPUTER DATA LINES SYSTEM CYCLE SIG DATA DK BLU WIRE DK GRN WIRE ECT SENS SIG ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) FUEL TANK SIG GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/RED WIRE GRY/WHT WIRE INSTRUMENT INSTRUMENT CLUSTER SYSTEM INSTRUMENT PANEL JUNCTION BLOCK LOW REF LT BLU WIRE MAP SENS SIG NCA WIRE PLUG PNK WIRE PPL/WHT WIRE PRESS SENS LOW REF RED WIRE RED/YEL WIRE SENS LOW REF SENS SIG SOLENOID CTRL SPARK STARTING/ CHARGING SYSTEM TEMP SENS LOW REF TOS SIG TRANSMISSIONS SYSTEM VIO WIRE VIO/BLU WIRE VIO/DK BLU WIRE VIO/GRN WIRE VSS LOW REF VSS SIG W/ BASE EQUIPMENT W/O BASE EQUIPMENT W/O BODY EQUIPMENT WHT WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/YEL WIRE YEL/BLU WIRE YEL/RED WIRE

5-VOLT ACCELERATOR PEDAL POSITION SENSOR AIR CONDITIONING SYSTEM BATT POS VOLT BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/DK BLU WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/YEL WIRE BODY CONTROL MODULE BRAKE APPLY SENSOR SIGNAL BRAKE SIGNAL BRN WIRE BRN/BLK WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE CLUTCH RELAY CONTROL COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM CRUISE CONTROL SYSTEM DATA DK BLU WIRE DRIVE LOW SIGNAL ENGINE CONTROL MODULE ENGINE INDICATOR CTRL FLOW SENSOR SIGNAL FUEL PRESSURE REGULATOR 1 FUEL PUMP RLY CONTROL GMLAN SERIAL DATA (+) 7 GMLAN SERIAL DATA - 1 GRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRY/BLK WIRE GRY/RED WIRE HUMIDITY SENSOR SIG INSTRUMENT PANEL JUNCTION BLOCK LOCK INDICATOR CTRL LOW REF LOW REFERENCE LOW REFERENCE (2) LT GRN WIRE LT GRN/BRN WIRE LT GRN/WHT WIRE PARK/NEUTRAL SIGNAL 1 PEDAL POSITION LOW REF 1 POSITION SIGNAL 1 POSITION SIGNAL 2 PRESSURE SENSOR SIGNAL PRIMARY RLY CONTROL RED/BRN WIRE REF RELAY COIL CONTROL RELAY FUSED SUPPLY 1 RELAY SPEED SIGNAL RUN/CRANK IGN 1 VOLTAGE SENSOR CONTROL SENSOR LOW REFERENCE SERIAL DATA (-) (1) SERIAL DATA (-) 7 SIGNAL GROUND START INDICATOR CONTROL STARTER ENABLE RLY CONTROL STARTING/CHARGING SYSTEM STOP LP SW SIG TEMPERATURE SENSOR SIGNAL TRANSMISSIONS SYSTEM VALVE HIGH CONTROL VALVE LOW CONTROL VIO/BLU WIRE VIO/DK BLU WIRE VIO/LT GRN WIRE VIO/YEL WIRE WAKEUP SERIAL DATA WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/WHT WIRE

BATTERY FUSE BLOCK BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BRN/GRN WIRE BRN/WHT WIRE CHARGE AIR COOLER INLET TEMPERATURE SENSOR COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE FUSE 2 GLOW PLUG SPLY VOLT (1) GLOW PLUG SPLY VOLT (2) GLOW PLUG SPLY VOLT (3) GLOW PLUG SPLY VOLT (4) GLOW PLUG SPLY VOLT (5) GLOW PLUG SPLY VOLT (6) GLOW PLUG SPLY VOLT (7) GLOW PLUG SPLY VOLT (8) GLOW PLUGS GRN/GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/WHT WIRE GRY/YEL WIRE HI SPD GMLAN SER DATA - HOT AT ALL TIMES IGN 1 VOLT LT GRN/BRN WIRE NCA WIRE NOT USED PNK WIRE RED/GRN WIRE RED/VIO WIRE VIO/GRN WIRE VIO/LT BLU WIRE VIO/LT GRN WIRE VIO/YEL WIRE WAKEUP SER DATA WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL/BLK WIRE YEL/BLU WIRE

BATTERY FUSE BLOCK BLK/BLU WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/LT GRN WIRE BLK/VIO WIRE BLK/YEL WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/WHT WIRE CHARGE AIR COOLER OUTLET TEMPERATURE SENSOR COMPUTER DATA LINES SYSTEM CTRL DK BLU/GRY WIRE DK GRN WIRE DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE ENGINE OIL PRESSURE IND EXHAUST TEMPERATURE SENSOR 1 EXHAUST TEMPERATURE SENSOR 2 EXHAUST TEMPERATURE SENSOR 3 EXHAUST TEMPERATURE SENSOR 4 EXHAUST TEMPERATURE SENSOR 5 FUEL GAUGE IND FUSE 3 GRN/BRN WIRE GRN/GRY WIRE GRY/GRN WIRE GRY/LT GRN WIRE HOT AT ALL TIMES IND CTRL INSTRUMENT CLUSTER LO SPD GMLAN LOGIC LOW CONTROL LOW REFERENCE LT GRN/BRN WIRE LT GRN/LT BLU WIRE MALFUNCTION INDICATOR LAMP NCA WIRE RED/VIO WIRE REDUCTANT INJECTOR RELAY CTRL SHUTDOWN SIGNAL TRANSMISSIONS SYSTEM VALVE HIGH CTRL VIO/BRN WIRE VIO/GRN WIRE VIO/LT BLU WIRE VIO/LT GRN WIRE WAIT TO START IND WHT WIRE WHT/GRN WIRE WHT/RED WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/DK BLU WIRE