GMC Sierra IV (2018-2022) left instrument panel fuse block Wiring diagrams

BLK WIRE BLK/ORG WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/VIO WIRE BLU/YEL WIRE BRAKE FLUID LEVEL SWITCH BRAKE IND BRK FLUID LVL BRN WIRE BRN/BLU WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY DRIVER SEAT BELT SW LO REF DRIVER SEAT BELT SW SIG DRIVER SEAT BELT SWITCH DRIVER SEAT BELT BUCKLE DRIVER SEAT POS SW SIG DRIVER SEAT POSITION SENSOR ELECTRONIC BRAKE CONTROL MODULE (BEHIND UNDERHOOD FUSE BLOCK) FRONT BRAKE PAD FRONT OVERHEAD CONSOLE ASSEMBLY GMLAN SER DATA (-) (2) GRN/GRY WIRE GRN/YEL WIRE GRY/GRN WIRE GRY/RED WIRE HI SPD GMLAN SER DATA BUS (+) 1 HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGNITION SWITCH INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE INSTRUMENT CLUSTER KEY-IN IGNITION SWITCH LEFT INSTRUMENT PANEL FUSE BLOCK LO SPD GMLAN SER DATA LOGIC NCA WIRE OFF ORG/BRN WIRE ORG/GRN WIRE ORG/VIO WIRE PARK BRAKE CONTROL SWITCH PARK BRK SW SIG PARK BRK SW SIG VOLT 1 PASS SEAT BELT IND PASS SEAT BELT SW LO REF PASS SEAT BELT SWITCH SIG PASSENGER SEAT BELT SWITCH PASSENGER SEAT BELT BUCKLE POWER DISTRIBUTION SYSTEM PRK BRK SW SIG REAR BRAKE PAD RED/BLU WIRE RED/GRY WIRE RUN WIRE RUN/CRANK SEAT BELT IND SEAT BELT ON IND TIRE PRESSURE IND VIO WIRE VIO/BLK WIRE VIO/WHT WIRE WHT WIRE WHT/VIO WIRE YEL WIRE YEL/RED WIRE

BATT POS VOLT BLK WIRE BLU/VIO WIRE BODY CONTROL MODULE (UNDER LEFT SIDE OF DASH) BRN WIRE BRN/VIO WIRE CENTER PICKUP BOX ENDGATE LATCH COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY EXTERIOR PICKUP BOX ENDGATE CONTROL SWITCH GRN WIRE GRN/BLK WIRE GROUND GRY WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER LEFT INSTRUMENT PANEL FUSE BLOCK LEFT PICKUP BOX ENDGATE LATCH LEFT PICKUP BOX ENDGATE LATCH RELAY LO SPD GMLAN SERIAL DATA LOCAL INTERCONNECT NETWORK SERIAL DATA BUS 12 LOGIC MAJOR ENDGATE HIGH RELAY CONTROL MAJOR ENDGATE LOW RELAY CONTROL MAJOR ENDGATE REL SW DISCRETE SIG EXTR MAJOR ENDGATE REL SW SIG EXTR MAJOR ENDGATE REL SW SIG INTR PICKUP BOX ENDGATE UNLATCH SWITCH RED/BLU WIRE RIGHT END OF DASH) RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT PICKUP BOX ENDGATE LATCH RIGHT PICKUP BOX ENDGATE LATCH RELAY VEHICLE STABILITY CONTROL SWITCH W/ ENHANCED WHT/GRN WIRE YEL WIRE YEL/BLK WIRE

AUDIO AMPLIFIER (ON REAR WALL OF PASSENGER COMPT) BATT POS VOLT BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/VIO WIRE BRN/BLK WIRE BRN/BLU WIRE COAX COMPUTER DATA LINES SYSTEM ETHERNET BUS 6 (-) GND 27 GRN WIRE GRN/BLK WIRE GRY/BLK WIRE GRY/GRN WIRE HOT AT ALL TIMES LEFT FRONT DOOR SPEAKER LEFT INSTRUMENT PANEL FUSE BLOCK LEFT INSTRUMENT PANEL SPEAKER LEFT REAR DOOR SPEAKER LEFT/REAR SUBWOOFER SPKR (-) LOW REF LEFT/REAR SUBWOOFER SPKR CTRL (+) LF SPKR LF SPKR 1 (-) LR SPKR NCA WIRE RED/YEL WIRE RF SPKR RF SPKR 1 (-) RIGHT FRONT DOOR SPEAKER RIGHT INSTRUMENT PANEL SPEAKER RIGHT REAR DOOR SPEAKER RR SPKR SERIAL DATA 2 SUBWOOFER SPEAKER WHT WIRE WHT/YEL WIRE WLAN WIRELESS COMMUNICATION ANTENNA YEL WIRE YEL/BLK WIRE

BATT POSITIVE VOLT 45 BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BRN WIRE BLU/WHT WIRE BRN/GRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM ENABLE SIG ENG SHUTDOWN SIG ENGINE CONTROL MODULE GND 4 GRN/WHT WIRE GRY/GRN WIRE HI SPD SER DATA (-) 1 HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED LEFT INSTRUMENT PANEL FUSE BLOCK POWER DISTRIBUTION SYSTEM POWER TAKE OFF SWITCH DIODE POWER TAKE-OFF AUTOMATIC TRANSMISSION FLUID PRESSURE SENSOR POWER TAKE-OFF CONTROL MODULE POWER TAKE-OFF SHIFT SOLENOID VALVE PRESSURE SENS LOW REF PRESSURE SENS SIG PWR TAKE OFF CTRL SW RED/BLU WIRE RED/VIO WIRE REMOTE THROTTLE SIG RIGHT INSTRUMENT PANEL CENTER ACCESSORY FUNCTION SWITCH RIGHT INSTRUMENT PANEL FUSE BLOCK SER DATA COMM ENABLE SIDE OF TRANSMISSION) SIG PWR SOL CTRL HIGH SOL CTRL LOW SW NORMALLY CLOSED SIG UNDERHOOD FUSE BLOCK UPFIT INTRLK SW SIG 2 VIO/BLK WIRE VIO/GRN WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE YEL WIRE