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

5 VOLT REF 6.0L AUTO OFF BATT POSITIVE VOLT BCM 4 FUSE BCM 6 FUSE BCM 7 FUSE BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BPP SENS LO REF BPP SENS SIG BRAKE PEDAL POSITION SENSOR BRN/GRN WIRE BRN/WHT WIRE CARGO LAMP SWITCH SIGNAL COIL SPLY VOLT COMPUTER DATA LINES SYSTEM DK BLU WIRE ENGINE CONTROL MODULE GMLAN DATA - (1) GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/GRN WIRE GRY/RED WIRE HAZARD SW HAZARD SW LT TURN SIG HAZARD SW RT TURN SIG HAZARD SWITCH HEAD PARK HEADLAMP SW PARK LAMP SIG HEADLAMP SWITCH HOT AT ALL TIMES INSTRUMENT PANEL JUNCTION BLOCK INSTRUMENT PANEL MULTI- FUNCTION SWITCH LAMP RELAY CONTROL LAMP SPLY VOLT LEFT DETECTION SIG LEFT LICENSE PLATE LAMP LICENSE PLATE LAMP LT GRN/YEL WIRE PARK LAMP RELAY CONTROL PUDDLE LAMP SPLY VOLT RED/BRN WIRE RED/DK BLU WIRE RED/GRY WIRE RED/LT GRN WIRE RED/WHT WIRE RIGHT DETECTION SIG RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT LICENSE PLATE LAMP SENSOR LO REF SER DATA (-) (1) STOP LAMP SW SIGNAL VIO/BLU WIRE VIO/WHT WIRE VIO/YEL WIRE W/ REAR BUMPER W/O REAR BUMPER BASE EQUIPMENT EXCEPT BASE EQUIPMENT W/O REAR BUMPER WHT WIRE WHT/GRN WIRE YEL/BLK WIRE YEL/BLU WIRE

BACKUP LAMPS CIRCUIT BASE EQUIPMENT BCM 1 FUSE BCM 3 FUSE BCM 5 FUSE BLK WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DATA DK GRN WIRE DRIVER INFORMATION CENTER DISPLAY GMLAN GRN/VIO WIRE GRY/BRN WIRE GRY/GRN WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL JUNCTION BLOCK IPC FUSE LEFT BACKUP LAMP LEFT INSTRUMENT PANEL FUSE BLOCK LEFT REAR SIDE MARKER LAMP LEFT TAIL LAMP ASSEMBLY LEFT TAIL/STOP, TURN SIGNAL LAMP LEFT TURN IND LO SPD LOGIC LT GRN WIRE LT GRN/WHT WIRE PARKS LAMPS IND POSITIVE RED WIRE RED/BRN WIRE RED/GRY WIRE RED/WHT WIRE RIGHT BACKUP LAMP RIGHT REAR SIDE MARKER LAMP RIGHT TAIL LAMP ASSEMBLY RIGHT TAIL/STOP, TURN SIGNAL LAMP RIGHT TURN IND SER VIO/GRY WIRE VIO/WHT WIRE VIO/YEL WIRE VOLT W/O DRIVER INFO ENHANCED DISPLAY INSTRUMENT YEL/BLK WIRE YEL/BLU WIRE

BATTERY FUSE BLOCK BLK WIRE BLU/WHT WIRE BRN WIRE BRN/WHT WIRE CARGO LAMP FUSE CARGO LAMP RELAY CENTER HIGH MOUNTED STOP LAMP DK BLU WIRE DK GRN WIRE FUSE 8 GMC/ CHEVROLET GROUND DISTRIBUTION SYSTEM HEADLIGHTS SYSTEM HOT AT ALL TIMES INSTRUMENT PANEL JUNCTION BLOCK LEFT FRONT PARK LAMP LEFT HEADLAMP ASSEMBLY LEFT HEADLAMP MULTI-FUNCTION LED CONTROL MODULE LEFT LOWER PARK/TURN SIGNAL LAMP LEFT PARK DAYTIME RUNNING LAMP LEFT PARK/TURN SIGNAL LAMP LEFT UPPER PARK/TURN SIGNAL LAMP LT BLU WIRE LT GRN WIRE ORG/ WIRE PNK WIRE PPL RED WIRE RED/LT GRN WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK VIO/GRY WIRE WHT WIRE WHT/VIO WIRE YEL WIRE

B+ VOLT BLK WIRE BLK/WHT WIRE BLU/BRN WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY FRONT FOG LIGHT IND GROUND DISTRIBUTION SYSTEM HIGH BEAM IND HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL JUNCTION BLOCK IPC FUSE LEFT INSTRUMENT PANEL FUSE BLOCK LOGIC LOW SPD GMLAN SER DATA LT GRN WIRE NCA WIRE RED/GRY WIRE RIGHT HEADLAMP RIGHT HEADLAMP ASSEMBLY RIGHT HEADLAMP MULTI-FUNCTION LED CONTROL MODULE RIGHT HIGH BEAM SOLENOID ACTUATOR RIGHT LOW BEAM HEADLAMP RIGHT PARK DAYTIME RUNNING LAMP SIG GND VIO/GRY WIRE W/ HIGH INTENSITY DISCHARGE W/O DRIVER INFO ENHANCED DISPLAY INSTRUMENT W/O HIGH INTENSITY DISCHARGE WHT WIRE YEL WIRE

6.0L 6.6L ABS IND. AIR BAG IND AMBIENT AIR TEMPERATURE SENSOR BATT POS VOLT BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/WHT WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE FLUID LEVEL SWITCH BRAKE IND (IF EQUIPPED) BRK FLUID LVL SENS SIG BRN WIRE BRN/GRN WIRE BRN/WHT WIRE CHARGE GAUGE CHARGE IND CHK ENG IND CTRL COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM CRUISE IND DISPLAY DK BLU WIRE DPF WARNING IND DRIVER INFORMATION CENTER DISPLAY ELECTRONIC BRAKE CONTROL MODULE ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE GAUGE ENGINE OIL LEVEL GAUGE ENGINE OIL LEVEL SWITCH ESC IND ESC OFF IND EXCEPT BASE EQUIPMENT FORWARD COLLISION ALERT LED CTRL FRONT FOG LAMP IND FUEL GAUGE FUEL PUMP DRIVER CONTROL MODULE GMLAN SERIAL DATA - 1 GRN/BRN WIRE GRN/GRY WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/YEL WIRE HIGH BEAM LAMP IND HILL DESCENT CONTROL IND HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED ILL IND INSTRUMENT CLUSTER INSTRUMENT PANEL JUNCTION BLOCK IPC FUSE IPC IGN/ SDM IGN FUSE KM/H IND LANE DEPARTURE WARNING IND LEFT INSTRUMENT PANEL FUSE BLOCK LEFT TURN IND LEVEL SENS SIG LIGHTS ON IND LOCAL INTERCONNECT NETWORK BUS 12 LOGIC LOW COOLANT LVL IND CTRL LOW FUEL IND LOW REF LOW SPD GMLAN SERIAL DATA LOW WASHER FLUID IND CTRL OUTSIDE AMBIENT AIR TEMP SENS LOW REF LT GRN/BLK WIRE MALFUNCTION IND MOST CONTROL MOST SERIAL DATA (+) MPH IND NAVIGATION SYSTEM OUTSIDE AMBIENT AIR TEMP SENS SIG PARK BRAKE SWITCH PARK LAMPS IND POWER DISTRIBUTION SYSTEM PRIMARY FUEL LEVEL SENSOR PRIMARY FUEL PUMP, LEVEL SENSOR ASSEMBLY PTO IND RED/GRY WIRE REFLECTED LED DISPLAY DIMMING CTRL RIGHT TURN IND RUN/CRANK IGN 1 VOLT SEAT BELT IND SECONDARY FUEL LEVEL SENSOR SECONDARY FUEL PUMP, LEVEL SENSOR ASSEMBLY SECURITY IND SERIAL DATA (-) 7 SIGNAL GROUND SPEEDOMETER TACHOMETER TIRE PRESSURE IND TOW/HAUL IND TRACTION CONTROL OFF IND VEHICLE AHEAD IND VIO WIRE VIO/BLK WIRE WAIT TO START IND WAIT TO START IND CTRL WHT WIRE WHT/GRN WIRE WHT/LT GRN WIRE WHT/VIO WIRE WIPER/ WASHER SYSTEM

5 VOLT REF 6.2L BASE EQUIPMENT EXCEPT BASE EQUIPMENT BCM 6 FUSE BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DATA BUS 1 DK BLU WIRE DLIS FUSE GMLAN SERIAL GRY/RED WIRE HI SPEED HI SPEED GMLAN SERIAL DATA (-) 1 HOT AT ALL TIMES IGNITION SWITCH INSTRUMENT PANEL JUNCTION BLOCK KEY-IN SWITCH LEFT INSTRUMENT PANEL FUSE BLOCK LOW REF OFF OFF RUN/CRANK VOLT PPL/BLK WIRE RED/BLU WIRE RED/DK BLU WIRE RED/WHT WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK RUN WIRE SENS LOW REF SERIAL DATA BUS (-) IMS MODE SW RETURN SERIAL DATA BUS- SHIFT INTERLOCK SOL CTRL STOP LAMP SW SIG TRANSMISSION CONTROL MODULE TRANSMISSION FLUID PRESSURE SWITCH TRANSMISSION INTERNAL MODE SWITCH AUTOMATIC TRANSMISSION ASSEMBLY TRANSMISSION SHIFT LOCK CONTROL SOLENOID ACTUATOR WHT WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/VIO WIRE YEL/WHT WIRE

4.3L/ 5.3L 6.2L 6.6L 6.0L 6.2L, 6.6L 4.3L, 5.3L, 6.0L AUTOMATIC TRANSMISSION ASSEMBLY (4.3L, 5.3L, 6.0L) BLK/BRN WIRE BLK/GRN WIRE BLU/YEL WIRE BPP SENS LO REF BPP SENS SIG BRAKE PEDAL POSITION SENSOR (BEHIND BRAKE PEDAL ASSEMBLY) COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY DK BLU WIRE DK BLU/YEL WIRE ENGINE CONTROL MODULE EXCEPT BASE EQUIPMENT GMLAN DATA BUS (+) 1 GRY WIRE GRY/RED WIRE INSTRUMENT PANEL JUNCTION BLOCK PARK/NEUTRAL SIG TRANSMISSION CONTROL MODULE TRANSMISSION INTERNAL MODE SWITCH WHT WIRE WHT/GRN WIRE WHT/GRY WIRE

BLK WIRE CLOSE GRY/GRN WIRE HOT AT ALL TIMES HOT W/ RETAINED ACCESSORY POWER RELAY 1 ENERGIZED ILL INSTRUMENT PANEL JUNCTION BLOCK LEFT INSTRUMENT PANEL FUSE BLOCK POWER DISTRIBUTION SYSTEM RIGHT INSTRUMENT PANEL FUSE BLOCK RR SLD WNDW FUSE SEO RAP FUSE SLIDING REAR WINDOW CLOSE RELAY SLIDING REAR WINDOW MOTOR (RIGHT REAR OF PASSENGER COMPT) SLIDING REAR WINDOW OPEN RELAY SLIDING REAR WINDOW SWITCH VIO/YEL WIRE WHT WIRE YEL WIRE YEL/BLU WIRE YEL/VIO 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