GMC Sierra IV facelift (2022-2024) low level Wiring diagrams

1-CU FRONT CAM SIG 1 2-CU TRAILER REAR VISION CAM COAX VID SIG AUTOSAR CAN BUS (+) 1 SER DATA BACKUP LP CTRL BATT POS VOLT BK COAX BK LVDS BLK/WHT WIRE BLU WIRE CARGO AREA AUXILIARY REAR VIEW CAMERA COAX COAX BK COAX BN COMPUTER DATA LINES SYSTEM DISPLAY DRIVER OUTSIDE REAR- VIEW MIRROR GRILLE FRONT VIEW DRIVER INFORMATION CAMERA GRN/WHT WIRE HOT AT ALL TIMES INFOTAINMENT DISPLAY SIG USB SER DATA BK LEFT SIDE VIEW DRIVER INFORMATION CAMERA LOGIC LOW LEVEL LVDS GY MID/HIGH LEVEL NCA WIRE OG OG PASSENGER OUTSIDE REAR VIEW MIRROR RADIO RADIO CONTROL REAR VIEW DRIVER INFORMATION CAMERA REAR VISION CAMERA COAXIAL 1-BG VIDEO SIG RED/VIO WIRE RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK RIGHT SIDE VIEW DRIVER INFORMATION CAMERA SIG GND TOW VEHICLE ELECTRICAL RECEPTACLE VIDEO PROCESSING MOD COAXIAL VIDEO SIG RR VISION CAMERA COAXIAL VIDEO SIG VIDEO PROCESSING MODULE VIDEO PROCESSING MODULE 1-RD COAXIAL VIDEO SIG W/ 360 VIEW WHT WIRE

BACKUP BACKUP LP CTRL BASE, SLE, ELEVATION, ELEVATION-L TRIM PACKAGE BATT POS VOLT BLK WIRE BLK/WHT WIRE BLU WIRE BLU/YEL WIRE CAN BUS (+) 2 CARGO LP CTRL COMPUTER DATA LINES SYSTEM DENALI ULTIMATE TRIM PACKAGE ENGINE WIRING HARNESS JUNCTION BLOCK GRN WIRE GRN/WHT WIRE GRY/BLU WIRE HOT AT ALL TIMES INSIDE REAR VIEW MIRROR LEFT BACKUP BULB LEFT CARGO LAMP LEFT REAR BODY STRUCTURE STOP LAMP LIGHTING CONTROL MODULE (LEFT END OF DASH) LOGIC LOW LEVEL MID/HIGH LEVEL NCA WIRE RADIO RED/GRN WIRE RED/VIO WIRE RIGHT BACKUP BULB RIGHT CARGO LAMP RIGHT REAR BODY STRUCTURE STOP LAMP SIG GND TRANSMISSION CONTROL MODULE WHT WIRE

AUTO OFF AUTOSAR CAN BUS (-) 2 SER DATA BATT POSITIVE VOL BLK WIRE BLK/ORG WIRE BLK/WHT WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (LEFT END OF DASH) BODY CTRL MOD COMPUTER DATA LINES SYSTEM DATA BUS 3 DRIVER FRONT SEAT BELT BUCKLE DRIVER FRONT SIDE DOOR LATCH DRIVER FRONT SIDE DOOR WINDOW REGULATOR MOTOR DRIVER SEAT BELT SWITCH EXTENDED CAB CREW CAB GRN/GRY WIRE GRN/YEL WIRE GRY WIRE HEAD PARK HEADLAMP SW PARK LAMP SIG HEADLAMP SWITCH HOT AT ALL TIMES LF DR AJAR SW SIG LIN BUS 3 LIN BUS 4 LOCK CTRL LOGIC LOW LEVEL MID/HIGH LEVEL NCA WIRE ORG/GRY WIRE ORG/VIO WIRE PASSENGER FRONT SIDE DOOR LATCH PASSENGER FRONT SIDE DOOR WINDOW REGULATOR MOTOR PASSENGER FRONT SIDE DOOR WINDOW SWITCH PASSENGER SEAT BELT SWITCH PASSENGER FRONT SEAT BELT BUCKLE RADIO RED/GRY WIRE RF DR AJAR RF DR LOCK ACTR LOCK CTRL RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK RIGHT REAR SIDE DOOR LATCH RIGHT REAR SIDE DOOR WINDOW SWITCH RR DR AJAR SW SIG W/ EXPRESS UP/DOWN W/O EXPRESS UP/DOWN WHT WIRE YEL/GRN WIRE

AUDIO AMPLIFIER BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BUS 6 (+) CAN BUS (-) 5 ETHERNET ETHERNET BUS 2 (-) ETHERNET BUS 4 (-) ETHERNET BUS 6 (-) GRN WIRE GRN/BLU WIRE GRN/VIO WIRE GRY WIRE LOW LEVEL MID, HIGH LEVEL MID/HIGH LEVEL RADIO SERIAL DATA W/ AUDIO SPEAKER W/ VEHICLE COMMUNICATION SYSTEM W/O AUDIO SPEAKER W/O INDUCTIVE PORTABLE WIRELESS DEVICE CHARGER W/O VEHICLE COMMUNICATION SYSTEM WHT WIRE WIRELESS ACCESSORY CHARGING MODULE YEL WIRE

10 SPEED A/T 3.0L TURBO DIESEL 5.3L, 6.2L ACTIVE GRILLE AIR SHUTTER ACTUATOR ACTIVE GRILLE AIR SHUTTER ACTUATOR 2 AIR CONDITIONING CLUTCH AIR CONDITIONING COMPRESSOR AIR CONDITIONING COMPRESSOR AIR CONDITIONING CLUTCH AIR HEATER AUDIO AMPLIFIER AUDIO/VIDEO RECEPTACLE AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION AUXILIARY FLUID PUMP AUXILIARY ENGINE COOLANT PUMP BLK WIRE BLK/WHT WIRE BLK/YEL WIRE CHARGE AIR COOLER COOLANT PUMP ENGINE RESTART RELAY ENGINE WIRING HARNESS JUNCTION BLOCK FRONT DRIVE AXLE ACTUATOR INSTRUMENT PANEL USB 2 PORT RECEPTACLE LEFT COOLING FAN MOTOR LOW LEVEL LOWER COOLING FAN MOTOR MID/HIGH LEVEL NCA WIRE RADIO RADIO CONTROL RIGHT COOLING FAN MOTOR STARTER RELAY STEERING WHEEL DRIVER MONITORING SYSTEM MODULE TELEMATIC CONTROL MODULE TRANSFER CASE CONTROL MODULE USB 2 PORT RECEPTACLE W/ ACTIVE UPPER GRILLE SHUTTERS W/ ONSTAR W/ PREMIUM AUDIO W/O PREMIUM AUDIO WHT WIRE

2.7L TURBO 3.0L TURBO DIESEL 5.3L, 6.2L ACCESSORY TIME DELAY CUTOFF RELAY AIR HEATER AIR INLET VALVE ACTUATOR AUTOMATIC TRANSMISSION CONTROL BEHIND STEERING WHEEL) BLK WIRE BLK/WHT WIRE BLOWER MOTOR BODY CONTROL MODULE DATA LINK CONNECTOR DOUBLE CAB/ CREW CAB EMERGENCY VEHICLE ROOF LAMP BLUNT CUT ENGINE CONTROL MODULE ENGINE OIL LEVEL INDICATOR SWITCH HEATED STEERING WHEEL MODULE HIGH MOUNT STOP, CARGO LAMP IGNITION COIL 1 IGNITION COIL 2 IGNITION COIL 3 IGNITION COIL 4 IGNITION COIL 5 IGNITION COIL 6 IGNITION COIL 7 IGNITION COIL 8 INSTRUMENT PANEL ACCESSORY RECEPTACLE POWER LEFT FRONT HEADLAMP LEFT PROGRAMMABLE TEMPERATURE VALVE ACTUATOR LEFT SUNSHADE LEFT SUNSHADE MIRROR LAMP LOGIC LOW LEVEL MASS AIR FLOW SENSOR MID/HIGH LEVEL MODE VALVE ACTUATOR NCA WIRE REAR SEAT POSITION CENTER READING, COURTESY LAMP REAR SEAT TRAILER BRAKE PROVISION BLUNT CUT RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK RIGHT PROGRAMMABLE TEMPERATURE VALVE ACTUATOR RIGHT SUNSHADE RIGHT SUNSHADE MIRROR LAMP ROOF CONSOLE STEERING COLUMN CONTROL MODULE STEERING WHEEL AIR BAG COIL SUNROOF CONTROL MODULE TRAILER BRAKE CONTROL SWITCH TRANSMISSION CONTROL MODULE W/ ACCESSORY WIRING JUNCTION BLOCK W/O ACCESSORY WIRING JUNCTION BLOCK

AUX 1 AUX 2- AUX 3 AUX 4 AUX 5 AUXILIARY INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK AUXILIARY MULTI-FUNCTION SWITCH BLK/WHT WIRE BLU WIRE BLU/GRN WIRE BLU/VIO WIRE BLU/WHT WIRE BLUNT CUT) BRN WIRE BRN/WHT WIRE CONFIGURABLE/ ACCESSORY PROVISION RELAY 1 CONFIGURABLE/ ACCESSORY PROVISION RELAY 2 CONFIGURABLE/ ACCESSORY PROVISION RELAY 3 CONFIGURABLE/ ACCESSORY PROVISION RELAY 4 CONFIGURABLE/ ACCESSORY PROVISION RELAY 5 CONFIGURABLE/ ACCESSORY PROVISION SUPPLY CONNECTOR EXTENDED CAB CREW CAB FROM BATTERY DISTRIBUTION ENGINE COMPARTMENT FUSE BLOCK (DIAGRAM 1 OF 10) GRN/BRN WIRE GRY WIRE GRY/BLK WIRE GRY/VIO WIRE LOW LEVEL MID/HIGH LEVEL RED/VIO WIRE VIO WIRE VIO/BLK WIRE VIO/BLU WIRE VIO/BRN WIRE VIO/GRY WIRE WHT WIRE WHT/YEL WIRE YEL WIRE YEL/BRN WIRE

10 SPEED A/T 3.0L TURBO DIESEL AUDIO/VIDEO RECEPTACLE AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION AUXILIARY FLUID PUMP BLK WIRE BODY CONTROL MODULE ENGINE RESTART RELAY EVAPORATIVE EMISSION CANISTER VENT SOLENOID VALVE EXCEPT 3.0L TURBO DIESEL FLOOR CONSOLE FRONT USB 2 PORT RECEPTACLE FROM ACCESSORY TIME DELAY CUTOFF RELAY (DIAGRAM 3 OF 10) FUEL PUMP POWER CONTROL MODULE GRN WIRE GRN/VIO WIRE GRN/YEL WIRE INSTRUMENT PANEL USB 2 PORT RECEPTACLE LEFT SIDE OBSTACLE DETECTION CONTROL MODULE LOW LEVEL MID/HIGH LEVEL NCA WIRE ORG/ WIRE RADIO RED WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE REDUCTANT CONTROL MODULE REMOTE FUNCTION ACTUATOR MODULE RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK RIGHT SIDE OBSTACLE DETECTION CONTROL MODULE STARTER RELAY TO ENGINE CONTROLS IGNITION RELAY (DIAGRAM 7 OF 10) TO WIRELESS ACCESSORY CHARGING MODULE (DIAGRAM 3 OF 10) TOW VEHICLE ELECTRICAL RECEPTACLE TRAILER BRAKE CONTROL MODULE TRAILER BRAKE CONTROL SWITCH TRAILER TIRE PRESSURE INDICATOR MODULE VIO WIRE W/ FLOOR CONSOLE W/ OBSTACLE DETECTION ENHANCED SIDE ACTIVE SAFETY W/O FRONT COMPARTMENT CONSOLE W/O INTEGRATED TRAILER BRAKE W/O OBSTACLE DETECTION ENHANCED SIDE ACTIVE SAFETY YEL WIRE