GMC Sierra III facelift (2015-2018) left instrument panel fuse block 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 6.0L ACC WAKEUP SER DATA AUTOMATIC TRANSMISSION ASSEMBLY AUTOMATIC TRANSMISSION FLUID TEMPERATURE SENSOR SIG BATT + BLK WIRE BLK/LT GRN WIRE BLK/WHT WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY DATA DK BLU WIRE DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE GMLAN DATA - (1) GRY/VIO WIRE HOT AT ALL TIMES HOT W/ IGNITION RELAY ENERGIZED IGN INSTRUMENT CLUSTER IPC FUSE J126 (4.3L, 5.3L) J125 (6.0L) LEFT INSTRUMENT PANEL FUSE BLOCK LOGIC LOW REF PARK/NEUTRAL SIG PC SOLENOID 1 CONTROL PC SOLENOID 2 CONTROL PC SOLENOID 3 CONTROL PC SOLENOID 4 CONTROL PC SOLENOID 5 CONTROL POWER DISTRIBUTION SYSTEM PPL/WHT WIRE PRESSURE CONTROL SOLENOID VALVE 1 PRESSURE CONTROL SOLENOID VALVE 2 PRESSURE CONTROL SOLENOID VALVE 3 PRESSURE CONTROL SOLENOID VALVE 4 PRESSURE CONTROL SOLENOID VALVE 5 RED/GRY WIRE RED/LT GRN WIRE REPLICATED TOS SIG SERIAL DATA (-) (1) SERIAL DATA (-) 1 IGN 1 VOLT SHIFT SOLENOID 1 CONTROL SHIFT SOLENOID 2 CONTROL SHIFT SOLENOID VALVE 1 SHIFT SOLENOID VALVE 2 SIG GND TCM/ECM FUSE TO TRANSMISSION INTERNAL MODE SWITCH (DIAGRAM 2 OF 2) TORQUE CONVERTER CLUTCH PRESSURE CONTROL SOLENOID CONTROL TORQUE CONVERTER CLUTCH PRESSURE CONTROL SOLENOID VALVE TOS SIG TOW/ HAUL IND TRANS IGN FUSE TRANSMISSION CONTROL MODULE TRANSMISSION FLUID TEMPERATURE SENSOR UNDERHOOD FUSE BLOCK VEHICLE SPD SENS LO REF VEHICLE SPD SENS SIG VEHICLE SPEED SENSOR VIO/BLK WIRE VIO/YEL WIRE WHT WIRE WHT/GRY WIRE WHT/LT GRN WIRE

AUTO BCM 3 FUSE BCM 4 FUSE BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/VIO WIRE BRN WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DRIVER INFORMATION CENTER DISPLAY FOG LAMP SW FRONT FOG LAMP IND GRN/BRN WIRE GRN/GRY WIRE GROUND HEAD HEADLAMP SWITCH HIGH BEAM IND HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL JUNCTION BLOCK IPC FUSE LEFT FRONT FOG LAMP LEFT INSTRUMENT PANEL FUSE BLOCK LOGIC LOW SPD GMLAN SER DATA LT BLU WIRE LT GRN WIRE NCA WIRE OFF ORG/ WIRE PARK PARK BRAKE SWITCH PNK WIRE PPL RED WIRE RED/DK BLU WIRE RED/GRY WIRE RIGHT FRONT FOG LAMP RIGHT HEADLAMP ASSEMBLY RIGHT HEADLAMP HIGH BEAM CONTROL MODULE RIGHT HEADLAMP MULTI-FUNCTION LED CONTROL MODULE RIGHT HIGH BEAM HEADLAMP RIGHT HIGH BEAM SOLENOID ACTUATOR RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT LOW BEAM HEADLAMP RIGHT LOWER PARK/TURN SIGNAL LAMP RIGHT PARK DAYTIME RUNNING LAMP RIGHT UPPER PARK/TURN SIGNAL LAMP VIO WIRE W/ BASE EQUIPMENT W/O BASE EQUIPMENT WHT WIRE WHT/VIO WIRE YEL WIRE

12 VOLT REF ALERT LED CTRL DIMMING CTRL ALERT LED CTRL LOW SPD GMLAN SERIAL DATA 2 BATT POS VOLT BCM 7 FUSE BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE COLLISION ALERT INDICATORS COMPUTER DATA LINES SYSTEM DK BLU WIRE DRIVER INFORMATION CENTER DISPLAY GAP UP/DOWN SWITCH GND HI SPD GMLAN SERIAL DATA (+) 1 GRN WIRE GROUND GRY/GRN WIRE GRY/WHT WIRE GRY/YEL WIRE HI SPD GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT IND DIMMING CTRL INSTRUMENT CLUSTER INSTRUMENT PANEL JUNCTION BLOCK INSTRUMENT PANEL MULTI- FUNCTION SWITCH IPC IGN/SDM IGN FUSE LANE DEPARTURE WARNING DISABLE LANE DEPARTURE WARNING DISABLE SWITCH LANE DEPARTURE WARNING IND LANE DEPARTURE WARNING IND CTRL LEFT INSTRUMENT PANEL FUSE BLOCK LEFT STEERING WHEEL CONTROLS SWITCH LO SPD GMLAN SERIAL DATA LOGIC POWER DISTRIBUTION SYSTEM RED/GRN WIRE REFLECTED LED DISPLAY DIMMING CTRL RIGHT INSTRUMENT PANEL FUSE BLOCK STEERING WHEEL AIR BAG COIL SW SIG UP/DOWN SW SIG USB/OBS DET FUSE VIO/BLK WIRE WHT WIRE WHT/GRN WIRE WHT/RED WIRE WINDSHIELD FRONT VIEW CAMERA

AUX AUDIO COMM SIG AUX AUDIO SCREEN (2) AUX DETECTION SIG AUXILIARY AUDIO INPUT BASE EQUIPMENT EXCEPT BASE EQUIPMENT BATT POSITIVE VOLT BK AM/FM ANT SIG BLK WIRE BLK/YEL WIRE BLU WIRE COAX COMPUTER DATA LINES SYSTEM CU XM/HD DISTRIBUTION GMLAN SERIAL DATA GRN WIRE GROUND GRY WIRE GRY/GRN WIRE GRY/VIO WIRE HOT AT ALL TIMES IPC FUSE LEFT INSTRUMENT PANEL FUSE BLOCK LH AUX AUDIO SIG (2) LOGIC LOW REF LT BLU WIRE LT GRN WIRE LT GRN/DK BLU WIRE MEDIA DISC PLAYER MOST CONTROL MOST SERIAL DATA (+) NCA WIRE NETWORK BUS 10 POSITIVE VOLTAGE RADIO RADIO ANTENNA RDO FUSE RED/GRY WIRE RED/VIO WIRE RED/YEL WIRE RH AUX AUDIO SIG (2) RIGHT INSTRUMENT PANEL FUSE BLOCK SERIAL DATA STEERING WHEEL AIR BAG COIL STR WHL CNTRL FUSE SYSTEM TELEPHONE VOICE SIG USB USB/OBS DET FUSE VIO WIRE W/ FRONT COMPARTMENT FLOOR CUSTOM CONSOLE W/ REAR SEAT ENTERTAINMENT W/O REAR SEAT ENTERTAINMENT WHT/LT GRN WIRE WHT/VIO WIRE YEL WIRE

AM/FM BK AUX AUDIO COMM SIG AUX AUDIO SCREEN (2) AUX DETECTION SIG AUXILIARY AUDIO INPUT BACKUP LAMP CTRL BATT POS VOLT BLK WIRE BLK/YEL WIRE BLU WIRE BRN WIRE CAMERA LOW REF CAMERA SIG 2 COAX COMPUTER DATA LINES SYSTEM DISPLAY SIG + GRN WIRE GROUND GROUND DISTRIBUTION GRY WIRE GRY/VIO WIRE GRY/YEL WIRE HOT AT ALL TIMES HUMAN MACHINE INTERFACE CONTROL MODULE BYPASS MODULE INFOTAINMENT INSTRUMENT PANEL JUNCTION BLOCK IPC FUSE LEFT INSTRUMENT PANEL FUSE BLOCK LH AUX AUDIO SIG (2) LOGIC LOW REF LT BLU WIRE LT GRN WIRE LT GRN/WHT WIRE LVDS MOST CONTROL MOST SERIAL DATA (+) NAVIGATION SYSTEM NCA WIRE POWER DISTRIBUTION SYSTEM RADIO RADIO ANTENNA RAP RLY COIL CTRL REAR VIEW CAMERA CIRCUIT RED/GRY WIRE RED/VIO WIRE RH AUX AUDIO SIG (2) SERIAL DATA BUS 5 SYSTEM TELEPHONE VOICE SIG USB VIO WIRE W/ FRONT COMPARTMENT FLOOR CUSTOM CONSOLE WHT/BLU WIRE WHT/LT GRN WIRE WHT/VIO WIRE XM/HD CU 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

ACCY/RUN CRNK FUSE BACKUP LAMP CTRL BASE BCK UP LAMP FUSE BLK WIRE BRN WIRE CAMERA LOW REF CAMERA SIG (-) CAMERA SIG 2 GROUND GRY/YEL WIRE HOT W/ IGNITION MAIN RELAY ENERGIZED HOT W/ TRAILER BACKUP LAMPS RELAY ENERGIZED HUMAN MACHINE INTERFACE CONTROL MODULE BYPASS MODULE LEFT INSTRUMENT PANEL FUSE BLOCK LT GRN/WHT WIRE NCA WIRE RADIO REAR VIEW CAMERA (LEFT OF TAILGATE HANDLE) RED WIRE RUN/CRANK IGN 1 VOLT UNDERHOOD FUSE BLOCK VIO/LT GRN WIRE WHT WIRE WHT/BLU 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

2 HI IND CTRL 4 HI IND CTRL 4 LO IND CTRL ACCY WAKEUP SERIAL DATA ACCY/ RUN CRNK FUSE AWD IND CTRL BATT + BLK WIRE BLU/GRY WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DRIVE SW SIG DRIVER INFORMATION CENTER ASSEMBLY FRONT AXLE ACT CTRL FRONT AXLE ENGAGEMENT ACTUATOR FT AXLE ACTUATOR CTRL GEAR POSITION SENSOR GMLAN SERIAL DATA - 1 GRN/BLK WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/RED WIRE GRY/VIO WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT INCREMENTAL ENCDR SENS RTN INCREMENTAL ENCDR SENS SPLY INCRMT ENCODER DIR SIG INSTRUMENT CLUSTER INSTRUMENT PANEL JUNCTION BLOCK LEFT INSTRUMENT PANEL FUSE BLOCK LOGIC MTR CLOCKWISE CTRL MTR COUNTER CLOCKWISE CTRL NEUTRAL IND CTRL POWER DISTRIBUTION SYSTEM RED/GRY WIRE ROTARY POS IMPULSE SIG ROTARY POS SENS RTN ROTARY POS SENS SIG RUN/CRANK IGN 1 VOLT SERIAL DATA (-) (1) TRANS IGN FUSE TRANSFER CASE CONTROL MODULE TRANSFER CASE LOCK SOL CTRL UNDERHOOD FUSE BLOCK VIO WIRE VIO/BLK WIRE VIO/GRN WIRE VIO/WHT WIRE VIO/YEL WIRE WHEEL LOCK IND WHT WIRE WHT/GRN WIRE WHT/LT GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRY WIRE YEL/VIO WIRE YEL/WHT WIRE