Chevrolet Tahoe V (2021-2024) engine wiring harness junction block Wiring diagrams

BLK WIRE BLU WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/YEL WIRE BRN/GRN WIRE CAN BUS (+) 1 CAN BUS (+) 2 COLUMN LOCK MODULE (TOP OF STEERING COLUMN) COMPUTER DATA LINES SYSTEM ENGINE WIRING HARNESS JUNCTION BLOCK GRN/BRN WIRE GROUND GRY WIRE GRY/BLK WIRE HOT W/ IGNITION MAIN RELAY ENERGIZED IGN VOLT LEFT REAR DOOR LOCK SWITCH LOCK LOGIC RED/GRY WIRE RIGHT REAR DOOR LOCK SWITCH UN LOCK VIO WIRE VIO/BLU WIRE VIO/BRN WIRE VIO/WHT WIRE WHT WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE

BLK WIRE COMPUTER DATA LINES SYSTEM CONTENT THEFT DETERRENT ALARM CONTENT THEFT DETERRENT SENSOR DOOR LOCK STATUS INDICATOR DRIVER INFORMATION CENTER DISPLAY ENGINE WIRING HARNESS JUNCTION BLOCK GARAGE DOOR OPENER TRANSMITTER GRN/BLK WIRE GRN/BLU WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER CONTROL MODULE LIN BUS 1 LOGIC NCA WIRE RED/YEL WIRE RIGHT END OF DASH) RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK ROOF CONSOLE SECURITY IND

3.0L TURBO DIESEL 3.0L TURBO DIESEL, 6.2L SUPERCHARGED 6.2L 6.2L, 5.3L BATTERY BATTERY CHARGING IND BATTERY DISTRIBUTION ENGINE COMPARTMENT FUSE BLOCK BATTERY MONITOR MODULE BLK WIRE BLK/WHT WIRE BLU/GRY WIRE BRN WIRE BRN/BLU WIRE CHARGE IND CTRL COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) ENGINE WIRING HARNESS JUNCTION BLOCK ETHERNET BUS 7 (-) GENERATOR GENERATOR FIELD DUTY CYCLE SIG GMC/ CHEVROLET GRN/YEL WIRE GROUND GRY WIRE HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT PANEL CLUSTER CONTROL MODULE LOGIC PRIVATE SER DATA POWERTRAIN CAN BUS (-) SER DATA RED/GRN WIRE RED/YEL WIRE RUN/CRANK IGN 1 VOLT RUN/CRANK IGNITION 1 VOLT VIO/GRN WIRE VIO/WHT WIRE W/ FORWARD COLLISION ALERT W/O FORWARD COLLISION ALERT WHT WIRE

3.0L TURBO DIESEL 6.2L, 5.3L A/C COMPRESSOR SOL VLV CTRL BATTERY DISTRIBUTION ENGINE COMPARTMENT FUSE BLOCK BATTERY POSITIVE VOLTAGE BCM LIN BUS 5 BLK WIRE BLK/WHT WIRE BLU/BRN WIRE BLU/YEL WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM ENGINE WIRING HARNESS JUNCTION BLOCK GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE HOT AT ALL TIMES LEFT COOLING FAN MOTOR LOWER COOLING FAN MOTOR NCA WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE RIGHT COOLING FAN MOTOR RIGHT END OF DASH) RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK SIG GND

AIR CONDITIONING CLUTCH AIR CONDITIONING COMPRESSOR AIR CONDITIONING COMPRESSOR RELAY AIR CONDITIONING COMPRESSOR SOLENOID VALVE BLK WIRE BLK/GRN WIRE BLU/BRN WIRE BLU/YEL WIRE BRN/GRN WIRE CHARGE AIR COOLER COOLANT PUMP COMPUTER DATA LINES SYSTEM ENGINE CONTROLS IGNITION RELAY ENGINE WIRING HARNESS JUNCTION BLOCK GRN/VIO WIRE HEATER COOLANT PUMP HOT AT ALL TIMES LOGIC NCA WIRE RADIATOR COOLANT TEMPERATURE SENSOR RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RIGHT SIDE OF RADIATOR) VIO/BLU WIRE WHT/GRY WIRE YEL/BLK WIRE

3.0L TURBO DIESEL 6.2L, 5.3L A/C COMPRESSOR CLUTCH RELAY CONTROL 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 LOW REF CHARGE AIR COOLER INLET TEMP SENS SIG CHARGE AIR COOLER OUT TEMP SENS LOW REF CHARGE AIR COOLER OUTLET TEMP SENS SIG COMPUTER DATA LINES SYSTEM COOLANT DIVERTER VALVE ACTUATOR CONTROL CLOSE COOLANT DIVERTER VALVE ACTUATOR CONTROL OPEN COOLANT DIVERTER VALVE POSITION SIG COOLANT FLOW CONTROL ACTUATOR CONTROL CLOSE COOLANT FLOW CONTROL ACTUATOR CONTROL OPEN COOLANT FLOW CONTROL VALVE POSITION SIG 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 REFERENCE 2 ENGINE CONTROL VEHICLE SENS 5 V REF 1 ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE IND ENGINE INLET COOLANT TEMP SIG ENGINE INLET COOLANT TEMPERATURE SIG 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 SER DATA POWERTRAIN CAN BUS (-) SER DATA RED/BRN WIRE VIO WIRE VIO/WHT WIRE WHT WIRE WHT/GRY WIRE WHT/RED WIRE YEL/BLK WIRE YEL/BLU WIRE

BATT POS VOLT BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BODY CONTROL MODULE LIN BUS 11 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 SENS SIG DRV SEAT BLOWER MOTOR CTRL 1 DRV SEAT HEATING ELEMENT CTRL DRV SEAT HEATING ELEMENT LO REF DRV SEAT HEATING TEMP SENS 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 SENS SIG PASS SEAT BLOWER MOTOR CTRL 1 PASS SEAT HEATING ELEMENT CTRL PASS SEAT HEATING ELEMENT LO REF PASS SEAT HEATING TEMP SENS 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 SHORT RANGE RADAR SENSOR 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 RIGHT FRONT SHORT RANGE RADAR SENSOR TRANSMISSION CONTROL MODULE W/ INTEGRATED BRAKE ASSIST W/ LANE KEEP ASSIST WHT WIRE 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 CHARGE AIR COOLER COOLANT PUMP 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

3.0L TURBO DIESEL 3.0L TURBO DIESEL, 6.2L SUPERCHARCHED 6.2L 6.2L, 5.3L AUTOMATIC TRANSMISSION AUTOSAR CAN BUS (+) 2 SERIAL DATA BATTERY BATTERY DISTRIBUTION ENGINE COMPARTMENT FUSE BLOCK BATTERY MONITOR MODULE BLK WIRE BLU/YEL WIRE COMPUTER DATA LINES SYSTEM ELECTRONIC TRANSMISSION RANGE SELECT OUT OF PARK SWITCH 2 SIGNAL ELECTRONIC TRANSMISSION RANGE SELECT OUT OF PARK SWITCH SIGNAL ENGINE RESTART RELAY ENGINE WIRING HARNESS JUNCTION BLOCK GMC/ CHEVROLET GRN WIRE HOT W/ IGNITION MAIN RELAY ENERGIZED NCA WIRE RED/GRN WIRE RED/YEL WIRE STARTER STARTER RELAY TRANSMISSION CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) TRANSMISSION OUTPUT SHAFT SPEED TRANSMISSION PARK VALVE POSITION SWITCH TRANSMISSIONS SYSTEM VIO/GRN WIRE VIO/WHT WIRE WHT WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/VIO WIRE