GMC Sierra III facelift (2015-2018) left instrument panel fuse block Wiring diagrams

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

AJAR SW SIG BASE EQUIPMENT BATT POS VOLT BCM 1 FUSE BCM 6 FUSE BCM 7 FUSE BLK WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM COURTESY LP SW SIG DK BLU WIRE DOME LAMP SWITCH EXCEPT BASE EQUIPMENT GMLAN SERIAL DATA GRY WIRE GRY/GRN WIRE GRY/WHT WIRE HOT AT ALL TIMES INADVERTENT PWR CTRL INSTRUMENT ILLUMINATION CIRCUIT INSTRUMENT PANEL JUNCTION BLOCK INTR LP CTRL INTR LP DEFEAT SW SIG LIGHTING CTRL 2 LED AMBIENT LIGHTING CTRL 1 LEFT INSTRUMENT PANEL FUSE BLOCK LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR WINDOW SWITCH LF DR AJAR SW SIG LIN BUS 4 LOGIC LR DR LT GRN/GRY WIRE OVERHEAD CONSOLE ACCENT LAMP RED/LT GRN WIRE RED/WHT WIRE RF DR AJAR SW SIG RIGHT INSTRUMENT PANEL FUSE BLOCK VIO/GRN WIRE W/ REAR SEAT ENTERTAINMENT PACKAGE WHT WIRE WHT/BRN WIRE WHT/YEL WIRE YEL 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

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 AUTO BATT POS VOLT BCM 1 FUSE BCM 5 FUSE BCM 6 FUSE BLK WIRE BLK/BRN WIRE BLK/YEL WIRE BLU/RED WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRK SW SIG BRN WIRE BRN/WHT WIRE CHASSIS CONTROL MODULE CHILD LOCKOUT IND COMPUTER DATA LINES SYSTEM DIMMER SW SIG DK BLU WIRE DOME LAMP SWITCH GARAGE DOOR OPENER GMLAN SERIAL DATA GRN/GRY WIRE GRN/WHT WIRE GRY WIRE HEAD HEADLAMP SWITCH HOT AT ALL TIMES IND DIMMING CTRL INSTRUMENT PANEL JUNCTION BLOCK LED BACK LIGHT DIMMING CTRL LEFT FRONT OVERHEAD CONSOLE DOME/ READING LAMPS LEFT INSTRUMENT PANEL FUSE BLOCK LEFT REAR WINDOW SWITCH LMP RLY CTRL LOGIC LOW REF LT GRN/GRY WIRE LT GRN/YEL WIRE OFF PARK PARK LAMP SIG PASSENGER WINDOW SWITCH RED/BRN WIRE RED/WHT WIRE RIGHT FRONT OVERHEAD CONSOLE DOME/ READING LAMPS RIGHT INSTRUMENT PANEL FUSE BLOCK ROOF BEACON SWITCH SLIDING REAR WINDOW SWITCH SUNROOF SWITCH TRAILER BRAKE CONTROL SWITCH WHT WIRE YEL WIRE YEL/GRY WIRE

BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLU/GRN WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DATA 9 (+) DRIVER DOOR LOCK SWITCH DRIVER SEAT MEMORY SWITCH DRIVER WINDOW SWITCH GMLAN SERIAL GREEN LED GRN/BRN WIRE GRN/WHT WIRE GRY WIRE HEATED STEERING WHEEL CONTROL MODULE HOT W/ IGNITION MAIN RELAY ENERGIZED INSIDE REAR VIEW MIRROR INSTRUMENT CLUSTER INSTRUMENT PANEL JUNCTION BLOCK IPC IGN/SDM IGN FUSE KEYPAD KEYPAD RED WIRE LED LED DISABLE SIG LEFT INSTRUMENT PANEL FUSE BLOCK LEFT STEERING WHEEL CONTROLS SWITCH LO REF LOGIC LT GRN/YEL WIRE OUTSIDE REAR VIEW MIRROR SWITCH PARKING ASSIST CONTROL MODULE PASSENGER AIR BAG DISABLED INDICATOR PASSENGER DOOR LOCK SWITCH RIGHT STEERING WHEEL CONTROLS SWITCH SEAT MEMORY CONTROL MODULE SERIAL DATA STEERING WHEEL AIR BAG COIL SWC BKLT FUSE TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE VIO/WHT WIRE W/ ACCESSORY STEERING WHEEL CONTROL WHT WIRE WHT/GRN WIRE WHT/LT GRN WIRE YEL WIRE YEL/BRN WIRE YEL/VIO WIRE

BCM 1 FUSE BCM 3 FUSE BCM 5 FUSE BODY CONTROL MODULE CONTENT THEFT DETERRENT SENSOR MODULE DATA LINK CONNECTOR DLC/DSM FUSE DRIVER BACK SEAT BLOWER MOTOR DRIVER CUSHION SEAT BLOWER MOTOR DRIVER SEAT HEATING, COOLING SWITCH DRIVER WINDOW SWITCH FROM UNDERHOOD FUSE BLOCK (DIAGRAM 3 OF 7) HUMAN MACHINE INTERFACE CONTROL MODULE BYPASS MODULE HVAC CONTROL MODULE INFO DISPLAY MODULE INSTRUMENT CLUSTER IPC FUSE LEFT INSTRUMENT PANEL FUSE BLOCK LT GRN WIRE LT HTD CLD SEAT FUSE MIR WNDW MDL FUSE OUTSIDE REAR VIEW MIRROR SWITCH PASSENGER BACK SEAT BLOWER MOTOR PASSENGER CUSHION SEAT BLOWER MOTOR PASSENGER SEAT HEATING, COOLING SWITCH PEPS/HVAC FUSE RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RH FRT HTD CLD SEAT FUSE SEAT HEATING CONTROL MODULE SEAT MEMORY CONTROL MODULE SERIAL DATA GATEWAY MODULE SPARE FUSE

AJAR SW SIG BLK WIRE BLU/VIO WIRE COMPUTER DATA LINES SYSTEM DK BLU/GRY WIRE DK BLU/VIO WIRE DOOR LOCKS SYSTEM DOWN DOWN SIG DRIVER WINDOW MOTOR DRIVER WINDOW SWITCH EXPRESS EXPRESS SIG GRY WIRE GRY/WHT WIRE HOT AT ALL TIMES ILL LEFT FRONT LEFT INSTRUMENT PANEL FUSE BLOCK LEFT REAR LEFT REAR WINDOW MOTOR LEFT REAR WINDOW SWITCH (EXTENDED CAB, CREW CAB) LK MTR STS LK SW SIG LOCKOUT IND LOGIC LR DOWN CTRL LR DR AJAR SW SIG LR UP CTRL LT DRS FUSE LT GRN/BLK WIRE LT GRN/GRY WIRE LT GRN/VIO WIRE LT GRN/WHT WIRE LT GRN/YEL WIRE MIR WNDW MDL FUSE NETWORK 3 NETWORK 4 OUTER SIDE REAR VIEW MIRROR SWITCH PASSENGER WINDOW MOTOR PASSENGER WINDOW SWITCH RED/DK BLU WIRE RED/VIO WIRE RED/WHT WIRE RIGHT FRONT RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT REAR RIGHT REAR WINDOW MOTOR RIGHT REAR WINDOW SWITCH (EXTENDED CAB, CREW CAB) RR DOWN CTRL RR DR AJAR SW SIG RR UP CTRL RT DR WNDW MTR FUSE UNLCK SIG UP SIG W/ MEMORY W/ POWER MIRROR W/O MEMORY WHT WIRE WHT/VIO WIRE WINDOW LOCK SWITCH WINDOW SWITCH YEL/BRN WIRE YEL/DK BLU 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