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

BACKUP BACKUP LAMP CONTROL BACKUP LP CTRL BATT POS VOLT BLK WIRE BLK/WHT WIRE BLU/YEL WIRE CAN BUS (+) 2 CHEVROLET CHEVROLET/ GMC COMPUTER DATA LINES SYSTEM ENGINE WIRING HARNESS JUNCTION BLOCK GMC GMC/ CHEVROLET GRN/WHT WIRE HOT AT ALL TIMES INSIDE REAR VIEW MIRROR LEFT BACKUP BULB LEFT REAR BODY STRUCTURE STOP LAMP LEFT REAR BODY STRUCTURE STOP LAMP LED DRIVER MODULE LIGHTING CONTROL MODULE (UNDER LEFT END OF DASH) LOGIC LOW LEVEL MID/HIGH LEVEL NCA WIRE RADIO RADIO (BEHIND RIGHT END OF DASH) RED/GRN WIRE RED/VIO WIRE RIGHT BACKUP BULB RIGHT REAR BODY STRUCTURE STOP LAMP RIGHT REAR BODY STRUCTURE STOP LAMP LED DRIVER MODULE SIG GND TRANSMISSION CONTROL MODULE WHT WIRE

ALTERNATE FLASH ENABLE SIG APPROACH LAMP CTRL BATT POS VOLT BLK WIRE BLK/WHT WIRE BLU/GRN WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/YEL WIRE CAN BUS (-) 2 SERIAL DATA CAN BUS (-) 2 SERIAL DATA BATT POS VOLT CEN HIGH MOUNTED STOP LP SPLY VOLT COMPUTER DATA LINES SYSTEM ENGINE WIRING HARNESS JUNCTION BLOCK FLASH ENABLE SIG FRT TURN SIG LAMP GMC GRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/YEL WIRE GRY/GRN WIRE GRY/YEL WIRE HOT AT ALL TIMES LEFT FRONT HEADLAMP LEFT FRONT SIDE MARKER LAMP LEFT FRONT TURN SIGNAL LAMP LEFT HEADLAMP LED DRIVER MODULE LEFT TURN LAMP LF PARK LAMP CTRL LF TURN SIG LAMP CTRL LH TURN SIG LAMP CTRL 2 LIGHTING CONTROL MODULE (UNDER LEFT END OF DASH) LOGIC LR PARK LAMP CTRL LR STOP LAMP CTRL LR TURN SIG LAMP CTRL 2 POLICE TAIL LP RED/WHITE WIRE REAR BODY WIRING HARNESS JUNCTION BLOCK RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/VIO WIRE RF PARK LAMP CTRL RF TURN SIG LAMP RF TURN SIG LAMP CTRL RR PARK LAMP CTRL RR STOP LAMP CTRL RR TURN SIG LAMP CTRL 2 RR TURN SIG LP FEEDBACK SIG SIG GND VIO/BLK WIRE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/VIO WIRE WHT/YEL WIRE

BATT POS VOLT BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BODY CONTROL MODULE LIN BUS 1 BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DRIVER FRONT SEAT BACK HEATER DRIVER FRONT SEAT CUSHION HEATER DRV HEATED SEAT THERMISTOR LO REF DRV SEAT BACK HEATING ELEMENT CTRL DRV SEAT BACK HEATING TEMP SNS SIG DRV SEAT BLOWER MOTOR CTRL 1 DRV SEAT HEATING ELEMENT CTRL DRV SEAT HEATING ELEMENT LO REF DRV SEAT HEATING TEMP SNS SIG ENGINE WIRING HARNESS JUNCTION BLOCK FRONT SEAT HEATER VENT CONTROL MODULE (UNDER FRONT OF FRONT PASSENGER'S SEAT) GRN/VIO WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED NCA WIRE PASS HEATED BACK THERMISTOR LO REF PASS HEATED SEAT THERMISTOR LO REF PASS SEAT BACK HEATING ELEMENT CTRL PASS SEAT BACK HEATING TEMP SNS SIG PASS SEAT BLOWER MOTOR CTRL 1 PASS SEAT HEATING ELEMENT CTRL PASS SEAT HEATING ELEMENT LO REF PASS SEAT HEATING TEMP SNS SIG REAR BODY WIRING HARNESS JUNCTION BLOCK RED/BRN WIRE RED/GRN WIRE VIO/WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRY WIRE YEL/GRY WIRE

3.0L TURBO DIESEL 5.3L, 6.2L BATTERY MONITOR MODULE BLK WIRE BLK/WHT WIRE BRAKE MASTER CYLINDER) BRAKE SYSTEM CONTROL MODULE CONTENT THEFT DETERRENT ALARM ENGINE COMPARTMENT COVER SWITCH ENGINE CONTROL MODULE ENGINE OIL LEVEL INDICATOR SWITCH ENGINE WIRING HARNESS JUNCTION BLOCK EXHAUST PARTICULATE MATTER SENSOR LEFT FRONT FOG LAMP LEFT FRONT HEADLAMP LEFT FRONT SIDE MARKER LAMP LOGIC LONG FORWARD RANGE RADAR SENSOR MASS AIRFLOW SENSOR NITROGEN OXIDES SENSOR 1 NITROGEN OXIDES SENSOR 2 NITROGEN OXIDES SENSOR 3 POWER STEERING CONTROL MODULE TRANSMISSION CONTROL MODULE W/ INTEGRATED BRAKE ASSIST WINDSHIELD WASHER SOLVENT CONTAINER LEVEL SENSOR WINDSHIELD WIPER MOTOR WINDSHIELD WIPER MOTOR RELAY WINDSHIELD WIPER MOTOR SPEED CONTROL RELAY

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 AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION AUXILIARY FLUID PUMP AUTOMATIC TRANSMISSION AUXILIARY FLUID PUMP BLK WIRE BLK/YEL WIRE ENGINE COOLANT FLOW CONTROL VALVE ENGINE COOLANT FLOW CONTROL VALVE BLOCK ENGINE RESTART RELAY ENGINE WIRING HARNESS JUNCTION BLOCK FRONT DRIVE AXLE ACTUATOR HEATER COOLANT PUMP LEFT COOLING FAN MOTOR LOWER COOLING FAN MOTOR NCA WIRE RIGHT COOLING FAN MOTOR STARTER RELAY TRANSFER CASE CONTROL MODULE W/ FRONT GRILLE SHUTTERS

ACCESSORY AC, DC POWER CONTROL MODULE LAMP AUTOMATIC LEVEL CONTROL MODULE BLK WIRE BLK/WHT WIRE ENGINE CONTROLS SENSOR SUPPLY VOLTAGE RELAY ENGINE WIRING HARNESS JUNCTION BLOCK HEATER, AIR CONDITIONING AUXILIARY CONTROL HORN IGNITION MAIN RELAY IMAGE PROCESSING MODULE LEFT TRAILER STOP/TURN SIGNAL LAMP RELAY LOGIC MULTI-FUNCTION POWER SUPPLY CONVERTER PARKING ASSIST CONTROL MODULE PASSENGER RESTRAINTS OCCUPANT CLASSIFICATION SYSTEM MODULE REAR WINDOW WASHER PUMP RELAY REMOTE FUNCTION ACTUATOR MODULE RESTRAINTS CONTROL MODULE RIGHT FRONT FOG LAMP RIGHT FRONT HEADLAMP RIGHT FRONT SIDE MARKER LAMP RIGHT TRAILER STOP/TURN SIGNAL LAMP RELAY SUSPENSION CONTROL MODULE TRAILER BACKUP LAMP RELAY TRAILER PARKING LAMP RELAY VIDEO PROCESSING MODULE W/ FRONT, REAR SUSPENSION SYSTEM W/ FULL FEATURE CENTER W/O FULL FEATURE CENTER W/ PARKING ASSIST W/O FRONT, REAR SUSPENSION SYSTEM WINDSHIELD WIPER MOTOR RELAY WINDSHIELD WIPER MOTOR SPEED CONTROL RELAY

ABS IND. AUTOSAR CAN BUS (+) 5 SERIAL DATA BATTERY POSITIVE VOLTAGE BLK WIRE BLK/WHT WIRE BLU WIRE BLU/YEL WIRE BRAKE MASTER CYLINDER) BRAKE SYSTEM CONTROL MODULE CHEVROLET/ GMC COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE WIRING HARNESS JUNCTION BLOCK GRN/VIO WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE HI SPEED GMLAN SER DATA (-) 1 HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT PANEL CLUSTER CONTROL MODULE LEFT PARKING BRAKE ACTUATOR LOGIC PARKING BRAKE CONTROL SWITCH PRK BRK MTR APPLY LEFT REAR CTRL PRK BRK MTR APPLY RH REAR CTRL PRK BRK MTR LOW REF LEFT REAR PRK BRK MTR LOW REF RIGHT REAR RED/GRN WIRE RED/YEL WIRE RIGHT END OF DASH) RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK RIGHT PARKING BRAKE ACTUATOR RUN/CRANK IGNITION 1 VOLTAGE SERVICE PARK BRAKE IND VIO/WHT WIRE WHT WIRE

AUTOSAR CAN BATTERY BLK/ORG WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRN/ORG WIRE BRN/WHT WIRE CHEVROLET/ GMC COMPUTER DATA LINES SYSTEM ENGINE WIRING HARNESS JUNCTION BLOCK GRY/ORG WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED LEFT FRONT DOOR AIR BAG SIDE IMPACT SENSOR LEFT REAR DOOR AIR BAG SIDE IMPACT SENSOR NCA WIRE ORG/BLU WIRE ORG/BRN WIRE ORG/GRN WIRE ORG/GRY WIRE ORG/WHT WIRE PASSENGER RESTRAINTS OCCUPANT CLASSIFICATION SYSTEM MODULE PASSENGER SEAT BELT TENSION SENSOR REAR BODY WIRING HARNESS JUNCTION BLOCK RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RIGHT END OF DASH) RIGHT FRONT DOOR AIR BAG SIDE IMPACT SENSOR RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK RIGHT REAR DOOR AIR BAG SIDE IMPACT SENSOR SIG GND SW LOW REF SW SIG VEHICLE STABILITY CONTROL SYSTEM SWITCH VIO/WHT WIRE WHT WIRE WHT/ORG WIRE

ANTI-LOCK BRAKES SYSTEM APPLY SIG TRAILER BRK AUX CTRL TRLR AUX PARK LP RLY CTRL BACKUP LP RLY CTRL BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BRN WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/GRY WIRE CAN BUS- GND CAN-BUS COMPUTER DATA LINES SYSTEM CTRL MOD BRAKE SYS ENABLE SIG TRAILER BRK ENGINE WIRING HARNESS JUNCTION BLOCK GRN WIRE GRN/BRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRY WIRE GRY/BRN WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED LEFT TRAILER STOP/ TURN SIGNAL LAMP RELAY LIGHTING CONTROL MODULE (UNDER LEFT END OF DASH) LIN BUS 2 LR TRAILER STP/TN LP CTRL RR TRAILER STP/TN LP CTRL RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE RIGHT TRAILER STOP/ TURN SIGNAL LAMP RELAY TOW VEHICLE ELECTRICAL RECEPTACLE TRAILER BACKUP LAMP RELAY TRAILER BRAKE CONTROL MODULE (UNDER VEHICLE, NEAR SPARE TIRE) TRAILER BRAKES PROVISION BLUNT CUT (IF EQUIPPED) (UNDER LEFT SIDE OF DASH) TRAILER PARKING LAMP RELAY VIO WIRE VIO/BLK WIRE VIO/WHT WIRE VOLT BATT POS W/ TRAILER INFORMATION INDICATOR W/O INTEGRATED TRAILER BRAKE W/O TRAILER INFORMATION INDICATOR WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE YEL WIRE YEL/BLU WIRE YEL/GRY WIRE

BATT POS VOLT BLK WIRE BLK/WHT WIRE BLU WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN WIRE BRN/GRY WIRE BRN/YEL WIRE CAN BUS (+) 2 CAN-BUS COMPUTER DATA LINES SYSTEM ENGINE WIRING HARNESS JUNCTION BLOCK EXTERIOR LAMPS CIRCUIT GRN WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES L TRAILER PARK LP CTRL L TRAILER TN SIG LP CTRL R TRAILER TN SIG LP CTRL REAR BODY WIRING HARNESS JUNCTION BLOCK RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/YEL WIRE RIGHT END OF DASH) RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK RUN/CRNK IGN 1 VOLT CEN HIGH MOUNTED STOP LAMP SUPPLY VOLT TRAILER BACKUP LP CTRL TRAILER BRK APLY SIG TRAILER LAMP CONTROL MODULE (UNDER VEHICLE, NEAR SPARE TIRE) VIO WIRE VIO/BLK WIRE VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE YEL/GRY WIRE