Chevrolet Tahoe V (2021-2024) 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 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

ACCELERATOR PEDAL POSITION SENSOR BLK/BLU WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU/YEL WIRE BRAKE PEDAL POSITION SENSOR (PART OF BRAKE PEDAL ASSEMBLY) BRN/GRN WIRE BRN/RED WIRE ENGINE CONTROLS SYSTEM ENGINE WIRING HARNESS JUNCTION BLOCK GRN/WHT WIRE GRY/GRN WIRE HOT AT ALL TIMES RED/BRN WIRE W/ ADAPTIVE CRUISE CONTROL WHT WIRE WHT/GRN WIRE WHT/RED WIRE YEL/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

AUTOSAR CAN BUS (+) 2 SERIAL DATA BATT POS VOLT BLK WIRE BLK/VIO WIRE BLK/WHT 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 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 LANE DEPARTURE WARNING SWITCH 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 WHT WIRE

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 MULTI-FUNCTION POWER SUPPLY CONVERTER 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 W/ FORWARD COLLISION ALERT SENSOR W/O FORWARD COLLISION ALERT SENSOR WHT WIRE

AUTOSAR CAN BUS (+) 1 SERIAL DATA BATTERY POSITIVE VOLTAGE BLK WIRE BLK/WHT WIRE BLU WIRE BLU/VIO WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) CHEVROLET/ GMC COLUMN LOCK MODULE (TOP OF STEERING COLUMN) COMPUTER DATA LINES SYSTEM ENGINE WIRING HARNESS JUNCTION BLOCK GRN/BLK WIRE GRN/BRN WIRE GROUND HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGNITION OFF/ACCESSORY IGNITION VOLTAGE LIN BUS 12 LIN BUS 7 LOGIC RED/GRY WIRE RIGHT END OF DASH) RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK WHT WIRE

ANTI-LOCK BRAKES SYSTEM APPLY SIG AUX CTRL AUX PARK LP RLY CTRL BACKUP LP RLY CTRL BATT POS BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BRN WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE SYS BRN WIRE BRN/GRY WIRE CAN BUS- GND CAN-BUS COMPUTER DATA LINES SYSTEM CTRL MOD ENABLE SIG 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 BRK TRAILER PARKING LAMP RELAY TRLR VIO WIRE VIO/BLK WIRE VIO/WHT WIRE VOLT 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 BLU WIRE BLU/VIO WIRE BLU/WHT WIRE 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/BLU WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES L TRAILER PARK LP CTRL L TRAILER TN SIG LP CTRL LOGIC POWER DISTRIBUTION SYSTEM R TRAILER TN SIG LP CTRL REAR BODY WIRING HARNESS JUNCTION BLOCK RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN 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 BRAKE CONTROL SWITCH 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 WIRE YEL/GRY 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 GMC/ CHEVROLET 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/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