Chevrolet Suburban XIII (2020-2024) engine wiring harness junction block Wiring diagrams

3.0L TURBO DIESEL 6.2L, 5.3L ACTIVE GRILLE AIR SHUTTER ACTUATOR (BEHIND FRONT GRILLE) ACTIVE GRILLE AIR SHUTTER ACTUATOR 2 (CADILLAC) (BEHIND FRONT GRILLE) ACTIVE GRILLE AIR SHUTTER ACTUATOR 2 (GMC, CHEVROLET) (BEHIND FRONT GRILLE) BATTERY POSITIVE VOLTAGE BLK WIRE BLK/WHT WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE CHEVROLET/ GMC COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE ENGINE CONTROL MODULE LIN BUS 1 ENGINE WIRING HARNESS JUNCTION BLOCK GMC/ CHEVROLET GRN/VIO WIRE HOT AT ALL TIMES HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED INSTRUMENT PANEL CLUSTER CONTROL MODULE LOGIC NCA WIRE RED/BRN WIRE RED/WHT WIRE RIGHT END OF DASH) RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK VIO/BLU WIRE WHT WIRE

3.0L TURBO DIESEL 6.2L, 5.3L A/C COMPRESSOR SOL VLV CTRL A/C EVAP TEMP SENS SIG AIR HEATER (INSIDE TOP OF HVAC ASSEMBLY) BATTERY DISTRIBUTION ENGINE COMPARTMENT FUSE BLOCK BATTERY POSITIVE VOLTAGE BCM LIN BUS 5 BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLOWER MOTOR (RIGHT SIDE OF DASH) BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BLWR MTR SPEED CTRL BLWR SPEED FEEDBACK SIG BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DRIVER SOLAR SENS SIG ENGINE WIRING HARNESS JUNCTION BLOCK GRN/BLU WIRE GRN/WHT WIRE GRY WIRE GRY/GRN WIRE HOT AT ALL TIMES HVAC REMOTE ENABLE SIG HVAC SYSTEM ENABLE SIG INSIDE AIR TEMP SENS SIG LOGIC NCA WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RIGHT END OF DASH) RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK SENS LOW REF SIG GND VIO/WHT WIRE WHT/YEL WIRE

3.0L TURBO DIESEL 6.2L, 5.3L AIR CONDITIONING COMPRESSOR RELAY BLK WIRE BLK/YEL WIRE BLU/BRN WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/GRN WIRE COMPUTER DATA LINES SYSTEM ENGINE CONTROLS IGNITION RELAY ENGINE WIRING HARNESS JUNCTION BLOCK GRN/VIO WIRE GRN/YEL WIRE GRY WIRE GRY/GRN WIRE HEATER COOLANT PUMP HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED LEFT COOLING FAN MOTOR LOGIC LOWER COOLING FAN MOTOR NCA WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT COOLING FAN MOTOR VIO/BLU WIRE VIO/WHT WIRE WHT/GRY WIRE WHT/YEL WIRE

3.0L TURBO DIESEL 6.2L, 5.3L A/C COMPRESSOR CLUTCH RELAY CONTROL A/C REFRIGERANT PRESSURE SENS SIG AMBIENT AIR TEMPERATURE SENSOR SIGNAL BATTERY POSITIVE VOLTAGE BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE CHARGE AIR COOLER IN TEMP SENS LW REF CHARGE AIR COOLER INLET TEMP SENS SIG CHARGE AIR COOLER OUT TEMP SENS LW REF CHARGE AIR COOLER OUTLET TEMP SENS SIG COMPUTER DATA LINES SYSTEM COOLANT DIVERTER VALVE ACTUATOR CTRL CLOSE COOLANT DIVERTER VALVE ACTUATOR CTRL OPEN COOLANT DIVERTER VALVE POSITION SIGNAL COOLANT FLOW CONTROL ACTUATOR CONTROL CLOSE COOLANT FLOW CONTROL ACTUATOR CONTROL OPEN COOLANT FLOW CONTROL VALVE POSITION SIGNAL COOLANT TEMP SENS 2 SIG DRIVER INFORMATION CENTER DISPLAY ENGINE BLOCK COOLANT TEMP SIG ENGINE CONTROL MODULE ENGINE CONTROL MODULE GROUND ENGINE CONTROL SENS LOW REF 1 ENGINE CONTROL SENSORS LOW REF 2 ENGINE CONTROL VEHICLE SENSORS 5 VOLT REF 1 ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE IND ENGINE INLET COOLANT TEMP SIG ENGINE INLET COOLANT TEMPERATURE SIGNAL ENGINE OUTLET COOLANT TEMP SIG ENGINE WIRING HARNESS JUNCTION BLOCK ENGINE WTR CHARGE AIR COOLANT TEMP SIG GRN WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/VIO WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT PANEL CLUSTER CONTROL MODULE LOGIC PVT SERIAL DATA POWERTRAIN CAN BUS (-) SERIAL DATA RED/BRN WIRE VIO WIRE VIO/WHT WIRE WHT WIRE WHT/GRY WIRE WHT/RED WIRE YEL/BLK WIRE YEL/BLU WIRE

AUTO SAR CAN BUS (+) 5 SERIAL DATA AUTOSAR CAN BUS (+) 1 SERIAL DATA AUTOSAR CAN BUS (+) 2 SERIAL DATA AUTOSAR CAN BUS (+) 8 SERIAL DATA AUTOSAR SERIAL DATA CAN BUS (-) 4 SERIAL DATA BATTERY POSITIVE VOLTAGE BLK WIRE BLK/WHT WIRE BLU WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DAY NIGHT LED CONTROL DRIVER INFORMATION CENTER DISPLAY DRIVER SEAT ADJUSTER MEMORY MODULE (UNDER DRIVER SEAT) DRIVER SEAT LEFT REAR HAPTIC MOVEMENT MOTOR CONTROL DRIVER SEAT RIGHT REAR HAPTIC MOVEMENT MOTOR CONTROL ENGINE WIRING HARNESS JUNCTION BLOCK FORWARD COLLISION ALERT DISPLAY (W/O HEAD-UP DISPLAY) FORWARD COLLISION ALERT LED CONTROL GMC/ CHEVROLET GRY/BLK WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IMAGE PROCESSING MODULE INSTRUMENT PANEL CLUSTER CONTROL MODULE LEFT FRONT SEAT LANE DEPARTURE WARNING ACTUATOR LOGIC LONG RANGE FORWARD RANGE RADAR SENSOR NCA WIRE REAR BODY WIRING HARNESS JUNCTION BLOCK RED/GRN WIRE RIGHT FRONT SEAT LANE DEPARTURE WARNING ACTUATOR SIGNAL GROUND VIO/WHT WIRE WHT WIRE WHT/GRY WIRE YEL/BRN WIRE

3.0L TURBO DIESEL BATTERY DISTRIBUTION ENGINE COMPARTMENT FUSE BLOCK BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN WIRE BRN/WHT WIRE ENGINE WIRING HARNESS JUNCTION BLOCK EXCEPT 3.0L TURBO DIESEL GMC/ CHEVROLET GRN WIRE GRN/WHT WIRE GRY WIRE HORN HORN RELAY HORN RLY CTRL HORN SW SIG HOT AT ALL TIMES RED WIRE STEERING WHEEL AIR BAG COIL STEERING WHEEL HORN CONTACT WHT WIRE

AUTOSAR CAN BUS (+) 2 SERIAL DATA BATT POS VOLT BLK WIRE BLK/VIO WIRE BLU WIRE BLU/YEL WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM CRUISE CONTROL SWITCH CRUISE CONTROL SYSTEM DISTANCE SENSING CRUISE CTRL GAP UP/DOWN SWITCH SIG ENGINE WIRING HARNESS JUNCTION BLOCK FORWARD COLLISION ALERT WARNING SWITCH GAP UP/GAP DOWN SWITCH GRY/GRN WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED LANE DEPARTURE WARNING DISABLE SWITCH LANE DEPARTURE WARNING DISABLE SWITCH SIG LANE DEPARTURE WARNING IND LANE DEPARTURE WARNING INDICATOR CTRL RED/GRY WIRE RIGHT END OF DASH) RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK STEERING WHEEL AIR BAG COIL STEERING WHEEL RESISTOR LADDER LOW REF VEHICLE STABILITY CONTROL SYSTEM SWITCH VIO WIRE VIO/WHT WIRE W/ ADAPTIVE CRUISE CONTROL WHT WIRE

BACKUP LP CTRL BK CAMERA VIDEO SIG BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BU COAX CAMERA VIDEO SIG CHEVROLET/ GMC COAX COAX 2_BU DISPLAY DRIVER OUTSIDE REAR VIEW MIRROR GLASS DRIVER OUTSIDE REAR- VIEW MIRROR ENGINE WIRING HARNESS JUNCTION BLOCK GRN/WHT WIRE HOT W/ IGNITION MAIN RELAY ENERGIZED INSIDE REAR VIEW MIRROR LIGHTING CONTROL MODULE LOGIC LVDS LVDS 2_BK MIRROR DIMMING NCA WIRE RD LVDS VIDEO DISPLAY INSIDE REAR VIEW MIRROR CAMERA VIO WIRE VIO/WHT WIRE W/ HEATER AIR SYSTEM W/O HEATER AIR SYSTEM WHT WIRE YEL WIRE YEL/WHT WIRE

BATTERY POSITIVE VOLTAGE BLK WIRE BLK/GRY WIRE BLK/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE CAN BUS (+) 2 CAN BUS (-) 2 SERIAL DATA COMPUTER DATA LINES SYSTEM ENGINE WIRING HARNESS JUNCTION BLOCK GMC/ CHEVROLET GRN/BRN WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES LOW WASHER FLUID INDICATOR CTRL REAR WINDOW WASHER RELAY CTRL REAR WINDOW WIPER SW SIG RED/BLU WIRE RED/VIO WIRE RED/YEL WIRE RIGHT END OF DASH) RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK SIG GND VIO WIRE WHT WIRE WHT/BLK WIRE WHT/VIO WIRE WINDSHIELD OUTSIDE MOISTURE/ AMBIENT LIGHT, HUMIDITY SENSOR WINDSHIELD WASHER RELAY CTRL WINDSHIELD WASHER SOLVENT CONTAINER LEVEL SENSOR WINDSHIELD WASHER SW SIG WINDSHIELD WIPER MOTOR WINDSHIELD WIPER MOTOR PARK SW SIG WINDSHIELD WIPER MOTOR RELAY WINDSHIELD WIPER MOTOR RELAY COIL CTRL WINDSHIELD WIPER MOTOR SPEED CONTROL RELAY WINDSHIELD WIPER SW HI SIG WINDSHIELD WIPER SW LOW REF WINDSHIELD WIPER SW LOW SIG YEL/BLU WIRE YEL/BRN WIRE

BATTERY POSITIVE VOLTAGE BLK WIRE BLK/GRY WIRE BLU/VIO WIRE BRN/BLU WIRE BRN/GRY WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE WIRING HARNESS JUNCTION BLOCK GMC/ CHEVROLET GRN/BLK WIRE GRN/BLU WIRE GRN/WHT WIRE GRY WIRE GRY/VIO WIRE HI MIST LO OFF INT INT HOT AT ALL TIMES INSTRUMENT CLUSTER LIN BUS 1 INSTRUMENT PANEL CLUSTER CONTROL MODULE LOGIC MIST OFF REAR BODY WIRING HARNESS JUNCTION BLOCK REAR WINDOW WASHER PUMP RELAY REAR WINDOW WIPER MOTOR (LIFTGATE ASSEMBLY) REAR WIPER/WASHER SWITCH RED/WHT WIRE RED/YEL WIRE RIGHT END OF DASH) RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK WASHER SWITCH WHT/BLK WIRE WINDSHIELD WASHER PUMP WINDSHIELD WASHER PUMP RELAY WINDSHIELD WIPER/ WASHER SWITCH WINDSHIELD WIPER/WASHER SWITCH YEL/BLU WIRE