Chevrolet Silverado GMT K2XX facelift (2015-2019) instrument panel junction block Wiring diagrams

ACT FORWARD CTRL ADJUSTABLE PEDAL MOTOR ADJUSTABLE PEDAL POSITION SENSOR BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLU WIRE BLU/GRN WIRE COMPUTER DATA LINES SYSTEM DLC/DSM FUSE DRIVER SEAT MEMORY SWITCH DRVR PWR SEAT FUSE EXIT FORWARD SIG GRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE HIGH REF HOT AT ALL TIMES INSTRUMENT PANEL JUNCTION BLOCK INSTRUMENT PANEL MULTI- FUNCTION SWITCH LEFT INSTRUMENT PANEL FUSE BLOCK LOW REF LOW REFERENCE LOW SPD GMLAN LT GRN/VIO WIRE NETWORK BUS 8 PEDAL SENS SIG POSITIVE VOLT REARWARD CTRL REARWARD SIG RED/BRN WIRE RED/YEL WIRE SEAT MEMORY CONTROL MODULE SET SIG SET- SWITCH SIG 1 WHT WIRE WHT/GRY WIRE WHT/RED WIRE YEL WIRE

5-VOLT REFERENCE AIR TEMP DOOR CTRL LOW REFERENCE AMBIENT LIGHT/SUNLOAD SENSOR (TOP CENTER OF DASH) ANTI-THEFT SYSTEM AUXILIARY HEATER CTRL AUXILIARY HEATER STATUS SIGNAL BATT POSITIVE BATT POSITIVE VOLT BATTERY FUSE BLOCK BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLOWER MOTOR BLOWER MTR BLOWER MTR SPD CTRL BLU/BRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM ELECTRIC VARIABLE DISPLACEMENT CTRL ELECTRIC VARIABLE DISPLACEMENT SPLY EXCEPT BASE EQUIPMENT BASE EQUIPMENT FRT BLWR FUSE FUSE 1 GRN WIRE GRN/YEL WIRE GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/RED WIRE HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED HVAC CONTROL MODULE (BEHIND UPPER GLOVE BOX) HVAC/AUX HVAC IGN FUSE INSIDE AIR TEMP SENS SIGNAL INSTRUMENT PANEL JUNCTION BLOCK IPC FUSE LEFT INSTRUMENT PANEL FUSE BLOCK LINEAR INTERCONNECT NETWORK BUS 9 LOGIC LOW SPD GMLAN SERIAL DATA PEPS/HVAC FUSE REAR DEFOG RLY CTRL RED/GRY WIRE RED/VIO WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK RUN/CRANK IGN 1 VOLT SIGNAL GND SOLAR SENS DRIVER SIGNAL SPD CTRL TWILIGHT SENTINEL DELAY SIGNAL VIO WIRE VIO/GRY WIRE VOLT W/ ONSTAR W/O ONSTAR WHT WIRE WHT/BLU WIRE YEL/DK GRN WIRE YEL/VIO WIRE

A/C EVAPORATOR TEMPERATURE SENSOR A/C IND A/C SWITCH AUTO IND AUTO SWITCH BLK WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/YEL WIRE COMPUTER DATA LINES SYSTEM DEFROST IND DEFROST SWITCH DEFROST, LOWER AIR OUTLET IND DEFROST, LOWER AIR OUTLET SWITCH DUCT LEFT LOWER AIR TEMPERATURE SENSOR DUCT LEFT UPPER AIR TEMPERATURE SENSOR DUCT RIGHT LOWER AIR TEMPERATURE SENSOR DUCT RIGHT UPPER AIR TEMPERATURE SENSOR ELECTRICAL AUXILIARY HEATER EXCEPT BASE EQUIPMENT BASE EQUIPMENT GMLAN GRN WIRE GRN/YEL WIRE GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/RED WIRE INFO DISPLAY MODULE INSTRUMENT PANEL JUNCTION BLOCK LEFT TEMPERATURE CONTROL SWITCH LOGIC LOWER AIR OUTLET IND LOWER AIR OUTLET SWITCH REAR DEFOGGER IND REAR DEFOGGER SWITCH RECIRCULATION IND RECIRCULATION SWITCH RED WIRE RED/GRY WIRE RIGHT TEMPERATURE CONTROL SWITCH START/ STOP SWITCH SYNC IND SYNC SWITCH UPPER AIR OUTLET IND UPPER AIR OUTLET SWITCH UPPER, LOWER AIR OUTLET IND UPPER, LOWER AIR OUTLET SWITCH VENTILATION FAN SWITCH VIO WIRE VIO/GRY WIRE YEL WIRE YEL/DK 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

ACTUATOR UNLCK CTRL AIR CONDITIONING SYSTEM AMBIENT LIGHT/ SUNLOAD SENSOR BATT POS VOLT BCM 3 FUSE BCM 5 FUSE BLK WIRE BLK/YEL WIRE BLU/VIO WIRE BLU/WHT WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN/GRN WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CHILD LOCK IND CHILD LOCK OUT IND CHILD LOCK SWITCH CHILD SECURITY LCK RELAY CTRL COMPUTER DATA LINES SYSTEM DATA DK BLU WIRE DR LCK CTRL DR LCK CTRL 2 DRIVER DOOR LATCH ASSEMBLY (REAR OF DRIVER'S DOOR) DRIVER WINDOW MOTOR DRIVER WINDOW SWITCH DRV LOCK SIG DRV UNLOCK SIG GMLAN GMLAN SERIAL DATA - 1 GRN WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/WHT WIRE HEADLIGHTS SYSTEM HOOD AJAR SW SIG HORN RELAY CTRL HORNS SYSTEM HOT AT ALL TIMES HVAC CONTROL MODULE IND DIMMING CTRL INSTRUMENT PANEL JUNCTION BLOCK KEY SW UNLCK SIG LEFT INSTRUMENT PANEL FUSE BLOCK LF DR AJAR LF DR AJAR SW SIG LH HDLP LOW BEAM CTRL LIN BUS 3 LOCK MOTOR STATUS LOCK OUT IND LOGIC LOW REF LOW SPD LT GRN/YEL WIRE MOTOR STATUS SIG LR MOTOR STATUS SIG RR MTR STATUS PASS LOCK CTRL PASS UNLOCK CTRL PASSENGER DOOR LOCK SWITCH RED/BRN WIRE RED/DK BLU WIRE RED/GRY WIRE RED/VIO WIRE RF DR AJAR SW SIG RFA CTRL RFA RECEIVE SIG RFA RETURN RFA TRANSMIT SIG RH HDLP LOW BEAM CTRL SECURITY IND CTRL SECURITY LCK SW SIG SERIAL SW SIG UNLOCK SIG VIO/YEL WIRE W/ POWER OPERATED WINDOW W/O POWER OPERATED WINDOW WHT WIRE WHT/VIO WIRE YEL WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/VIO WIRE

AJAR SW SIG BCM 4 FUSE BCM 8 FUSE BLK WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/WHT WIRE BRN/YEL WIRE CHILD SECURITY LOCK DISABLE RELAY COMPUTER DATA LINES SYSTEM DOOR DEAD LOCK RELAY DRIVER DOOR LOCK SWITCH GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/WHT WIRE HOT AT ALL TIMES INSTRUMENT PANEL JUNCTION BLOCK LIN BUS 3 LIN BUS 4 LOGIC LT GRN/GRY WIRE LT GRN/YEL WIRE PASSENGER DOOR LATCH ASSEMBLY PASSENGER WINDOW SWITCH RED/DK BLU WIRE RED/VIO WIRE RF DR RIGHT REAR DOOR LATCH ASSEMBLY (CREW CAB, DOUBLE CAB) (REAR OF RIGHT REAR DOOR) RIGHT REAR WINDOW SWITCH RR DR - VIO/YEL WIRE WHT WIRE WHT/BLU WIRE YEL WIRE YEL/GRN WIRE

AIR CONDITIONING SYSTEM AMBIENT LIGHT SENS SIG AMBIENT LIGHT/ SUNLOAD SENSOR AUTO B+ VOLT BCM 3 FUSE BCM 4 FUSE BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/VIO WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE FOG LAMP RLY CTRL FRONT FOG FRONT FOG LAMP SW SIG GRN/BRN WIRE GRN/GRY WIRE GRY/BLU WIRE HDLP DIMMER SW HI BEAM SIG HDLP HI BEAM RLY CTRL HDLP SW FLASH TO PASS SIG HDLP SW ON SIG HDLP OFF SIG CTRL HDLP SW PARK LP SIG HEAD HEADLAMP SWITCH HIGH SPD GMLAN SER DATA (-) 1 HOT AT ALL TIMES HVAC CONTROL MODULE INSTRUMENT PANEL JUNCTION BLOCK LEFT INSTRUMENT PANEL FUSE BLOCK LF HDLP LOW BEAM CTRL LH DRL CTRL LIGHT SWITCH LOW REF OFF PARK PARK BRAKE SWITCH PARK BRK SW SIG RED/DK BLU WIRE RED/GRY WIRE RH DRL CTRL RH HDLP LOW BEAM CTRL RIGHT INSTRUMENT PANEL FUSE BLOCK TURN SIGNAL/ MULTI-FUNCTION SWITCH W/ BASE EQUIPMENT W/O BASE EQUIPMENT WHT WIRE WHT/BLU WIRE WHT/VIO WIRE YEL WIRE YEL/BRN WIRE

5-VOLT REFERENCE AIR TEMP DOOR CTRL LOW REF AMBIENT LIGHT/SUNLOAD SENSOR (TOP CENTER OF DASH) ANTI-THEFT SYSTEM AUXILIARY HEATER CTRL AUXILIARY HEATER STATUS SIG BATT POSITIVE BATT POSITIVE VOLT BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLOWER MOTOR BLOWER MTR BLOWER MTR SPD CTRL BLU/BRN WIRE BLU/GRY WIRE BLU/YEL WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM ELECTRIC VARIABLE DISPLACEMENT CTRL ELECTRIC VARIABLE DISPLACEMENT SPLY EXCEPT BASE EQUIPMENT BASE EQUIPMENT FRT BLWR FUSE GRN WIRE GRN/YEL WIRE GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/RED WIRE HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED HVAC CONTROL MODULE (BEHIND UPPER GLOVE BOX) HVAC/AUX HVAC IGN FUSE INSTRUMENT PANEL JUNCTION BLOCK IPC FUSE LEFT INSTRUMENT PANEL FUSE BLOCK LINEAR INTERCONNECT NETWORK BUS 9 LOGIC LOW SPEED GMLAN SERIAL DATA PEPS/HVAC FUSE REAR DEFOG RLY CTRL RED/GRY WIRE RED/VIO WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK RUN/CRANK IGN 1 VOLT SIG GND SPD CTRL VIO WIRE VIO/GRY WIRE VOLT WHT/BLU WIRE YEL/DK GRN WIRE

6.0L 6.6L A/C COMPRESSOR A/C COMPRESSOR CLUTCH A/C COMPRESSOR SOLENOID VALVE AIR INLET DOOR ACTUATOR AMBIENT AIR TEMPERATURE SENSOR BATTERY FUSE BLOCK BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/YEL WIRE BRN/GRN WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ELECTRICAL AUXILIARY HEATER ENGINE COOLANT LEVEL SWITCH ENGINE COOLANT TEMPERATURE GAUGE EXCEPT BASE EQUIPMENT BASE EQUIPMENT FUSE 1 GRN WIRE GROUND DISTRIBUTION SYSTEM GRY/GRN WIRE GRY/RED WIRE GRY/VIO WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL JUNCTION BLOCK LEFT AIR TEMPERATURE DOOR ACTUATOR LEFT MODE DOOR ACTUATOR LOGIC TEMP TEMP SENS SENS LOW SIG REF LOW COOLANT LEVEL IND MOST SERIAL DATA (+) RED/GRY WIRE VIO WIRE VIO/GRN WIRE VIO/GRY WIRE WHT WIRE WHT/GRN WIRE WHT/LT GRN WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/DK GRN WIRE

5 VOLT REF APPLY SIG AUX CTRL AUXILIARY CHASSIS CONTROL MODULE BATT POS VOLT BLK WIRE BLK/BRN WIRE BLU WIRE BLU/RED WIRE BRK CTRL SIG BRK ENABLE SIG BRN WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE ECM IGN FUSE ENABLE SIG GAIN SIG GRN/BLK WIRE GRN/VIO WIRE GROUND HI SPD GMLAN SERIAL DATA HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED ICCM FUSE IGNITION 1 VOLT INSTRUMENT PANEL JUNCTION BLOCK LOW REF POWER DISTRIBUTION SYSTEM PPL/LT GRN WIRE RED/LT GRN WIRE RED/WHT WIRE SERIAL DATA BUS 14 TRAILER BRAKE CONTROL SWITCH TRAILER BRAKE POWER CONTROL MODULE TRLR BRK FUSE UNDERHOOD FUSE BLOCK VIO/LT GRN WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE