Chevrolet Tahoe V (2021-2024) power distribution system Wiring diagrams

AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION AUXILIARY FLUID PUMP BLK WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE CADILLAC CHEVROLET, GMC CAN BUS (-) 5 CHEVROLET/ GMC COMPUTER DATA LINES SYSTEM ENGINE WIRING HARNESS JUNCTION BLOCK GEAR SHIFT CONTROL MODULE GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/ORG WIRE GRN/VIO WIRE GRN/WHT WIRE GRY/BRN WIRE GRY/ORG WIRE HOT AT ALL TIMES HOT W/ ENGINE CONTROLS SENSOR SUPPLY VOLTAGE RELAY ENERGIZED ILL INSTRUMENT PANEL CLUSTER CONTROL MODULE LOGIC MULTI-FUNCTION POWER SUPPLY CONVERTER NCA WIRE ORG/ WIRE POWER DISTRIBUTION SYSTEM RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE RIGHT END OF DASH) RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK TRANSMISSION CONTROL SOLENOID VALVE 7 TRANSMISSION CONTROL SOLENOID VALVE 8 TRANSMISSION PARK VALVE LOCK SOLENOID ACTUATOR VIO/GRN WIRE VIO/WHT WIRE WHT WIRE WHT/YEL WIRE

A/C TEMP SENS SIG ACCELERATE SW SIG ACCENT LIGHTING CTRL ACCESSORY LED SIG AIR CONDITIONING SYSTEM AIR CONDITIONING, HEADLIGHTS SYSTEMS AMBIENT LIGHT SENS SIG ANTENNA 1 HIGH SIG ANTENNA 1 LOW SIG ANTI-LOCK BRAKES SYSTEM AUXILIARY BATT RLY CTRL BATT POS VOLT BLK WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLOWER MTR SPD CTRL BLOWER SPD FEEDBACK SIG BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BODY CTRL MODULE LIN BUS 6 BODY CTRL MODULE LIN BUS 7 BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE CAN BUS (-) 2 SER DATA COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM CURB VIEW ENABLE SIG DOOR LOCKS, ANTI-THEFT SYSTEMS DRIVER SOLAR SENS SIG DRV MODE 2 SW SIG GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/WHT WIRE GRY/YEL WIRE HAZARD WARNING SW SIG HEADLAMP SW FLASH SIG HEADLAMP SW OFF SIG HEADLAMP SW ON SIG HEADLAMP SW PARK LAMP SIG HEADLAMP SW REF HEADLAMP SW SIG HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM AIR CONDITIONING SYSTEM HEADLIGHTS, INTERIOR LIGHTS SYSTEMS HORN SW SIG HORNS SYSTEM HOT AT ALL TIMES HVAC REMOTE ENABLE SIG HVAC SYSTEM ENABLE SIG IGNITION MODE SW MODE VOLT IGNITION MODE SW START LED SIG IMMO ANTENNA LOW SIG IMMO ANTENNA SIG INSIDE AIR TEMP SENS SIG INTERIOR LMP CTRL LADDER LOW REF LED DIMMING SIG LEFT TURN SIG SW SIG LIN BUS 12 LIN BUS 5 NAVIGATION SYSTEM OUT OF PARK SIG POWER DISTRIBUTION SYSTEM POWER RLY 2 COIL CTRL RED/BLU WIRE RED/GRY WIRE RED/WHT WIRE RH TURN SIG SW SIG RIGHT END OF DASH) RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK RR PARKING DISABLE SIG RR WINDOW WIPER SW SIG RUN/CRANK RLY COIL CTRL SEATS SYSTEM SECURITY INDICATOR CTRL SENS LOW REF SIG GND STARTING/CHARGING SYSTEM STATUS INDICATOR CTRL STOP/START INDICATOR CTRL STOP/START SW SIG SW HIGH BEAM SIG SW SIG 2 TRACTION CTRL SW SIG 1 TRAILER BRAKE APPLY SIG TRANSMISSIONS SYSTEM UP/DOWN SW SIG VIO/BLU WIRE VIO/GRN WIRE WARNING DISABLE SW SIG WARNING INDICATOR CTRL DISABLE LED SIG WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/VIO WIRE WHT/YEL WIRE WINDSHIELD WASHER SW SIG WINDSHIELD WIPER SW LOW REF WIPER SW LOW SIG WIPER/WASHER SYSTEM YEL WIRE YEL/BLU WIRE YEL/BRN WIRE

AC POWER SW SIG ACCENT LIGHTING CTRL ACTUATOR UNLOCK CTRL AIR CONDITIONING SYSTEM ANTENNA 2 HIGH SIG ANTENNA 2 LOW SIG ANTENNA HIGH SIG ANTENNA LOW SIG ANTENNA SIG HIGH ANTENNA SIG LOW ANTI-LOCK BRAKES, EXTERIOR LIGHTS SYSTEMS BLK/BRN WIRE BLU WIRE BLU/BRN WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRAKE APPLY SENS CTRL BRAKE APPLY SENS LOW REF BRAKE APPLY SENS SIG BRN/GRN WIRE BRN/VIO WIRE BRN/WHT WIRE CAN BUS (-) 2 SER DATA COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS DOOR LOCKS, ANTI-THEFT SYSTEMS DOOR LOCKS, TRUNK, TAILGATE, FUEL DOORS SYSTEMS EXTERIOR COURTESY LAMP CTRL GLASS BREAKAGE SENS 2 SIG GRN/BLK WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/VIO WIRE GRY/WHT WIRE GRY/YEL WIRE HOOD STATUS B SIG HORN RLY CTRL HORNS SYSTEM INTERIOR LAMP CTRL LAMP ENABLE SIG LED BACKLIGHT CTRL 1 LF DOOR LOCK LF DOOR UNLOCK SIG LIN BUS 10 LIN BUS 11 LIN BUS 16 LIN BUS 2 LIN BUS 3 LIN BUS 4 LIN BUS 8 LIN BUS 9 LOCK CTRL LR DOOR EXTERIOR SW LR DOOR LOCK ACTUATOR LR INDICATOR CTRL MTR UNLATCH CTRL OPEN SW SIG POWER DISTRIBUTION SYSTEM RF DOOR LOCK ACTUATOR RF UNLOCK SIG RR DEFOGGER RLY CTRL RR DOOR EXTERIOR SW RR FOOTWELL CTRL RR INDICATOR CTRL SENS LAMP CTRL SOLENOID VALVE CTRL SW OPEN SIG TRUNK, TAILGATE, FUEL DOORS SYSTEM UNLATCH CTRL UNLOCK CTRL 1 UNLOCK CTRL 2 VIO WIRE VIO/BLU WIRE VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRN WIRE

AUTO OFF AUTOSAR CAN BUS (+) 2 SERIAL DATA AUTOSAR CAN BUS (-) 2 SERIAL DATA GND BATTERY POSITIVE VOLTAGE BLK WIRE BLK/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) CADILLAC W/ FRONT, REAR DOOR CINCHING CADILLAC W/O FRONT, REAR DOOR CINCHING CHEVROLET/ GMC COMPUTER DATA LINES SYSTEM COMPUTER SYSTEM DRIVER FRONT SIDE DOOR LATCH DRIVER FRONT SIDE DOOR WINDOW REGULATOR MOTOR GMC/ CHEVROLET GRN/GRY WIRE GRN/YEL WIRE GRY WIRE HEAD PARK HEADLAMP SW PARK LAMP SIG HEADLAMP SWITCH HOT AT ALL TIMES LEFT REAR SIDE DOOR LATCH LEFT REAR SIDE DOOR WINDOW REGULATOR MOTOR LEFT REAR SIDE DOOR WINDOW SWITCH LF DOOR AJAR SW SIG LIN BUS 3 LIN BUS 4 LINES SYSTEM LOGIC LR DOOR AJAR SW SIG PARKING BRAKE CONTROL SWITCH PARKING BRAKE SWITCH PASSENGER FRONT SIDE DOOR LATCH PASSENGER FRONT SIDE DOOR WINDOW REGULATOR MOTOR POWER DISTRIBUTION SYSTEM RED/GRN WIRE RED/GRY WIRE RF DOOR AJAR SW SIG RIGHT END OF DASH) RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK RIGHT REAR SIDE DOOR LATCH RIGHT REAR SIDE DOOR WINDOW REGULATOR MOTOR RIGHT REAR SIDE DOOR WINDOW SWITCH RR DOOR AJAR SW SIG TURN SIGNAL SWITCH WHT WIRE WHT/BLK WIRE WINDSHIELD WASHER SW SIG

AUTOSAR CAN BUS (+) 6 SER DATA AUTOSAR CAN BUS (-) 5 SER DATA AUTOSAR CAN BUS (-) 7 SER DATA AUTOSAR CAN BUS (-) 7 SER DATA PASSIVE START SWITCH SIGNAL 2 BLK WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE CAN BUS (+) 1 CAN BUS (+) 8 SER DATA CAN BUS (-) 1 SER DATA CAN BUS (-) 1 SER DATA ETHERNET BUS 1 ENABLE SIGNAL CAN BUS (-) 2 SER DATA CAN BUS (-) 4 SER DATA DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) GRN WIRE GRN/BLK WIRE GRN/VIO WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES LONG RANGE FORWARD RANGE RADAR SENSOR LOW REF ON/OFF VEHICLE SWITCH PASSENGER RESTRAINTS OCCUPANT CLASSIFICATION SYSTEM MODULE PASSIVE START SWITCH 2 LOW REF POWER DISTRIBUTION SYSTEM RED/VIO WIRE RED/YEL WIRE RIGHT END OF DASH) RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK RUN/CRANK RELAY COIL CTRL SERIAL DATA GATEWAY MODULE (BEHIND LEFT END OF DASH) SWITCH SIGNAL 2 TRAILER LAMP CONTROL MODULE VIO WIRE W/ LANE ACTIVE SAFETY W/ TRAILER INTEGRATION INDICATOR W/O TRAILER INTEGRATION INDICATOR W/O LANE ACTIVE SAFETY WHT WIRE WHT/GRY WIRE YEL WIRE YEL/WHT WIRE

BLK WIRE BLU WIRE BLU/GRN WIRE BLU/VIO WIRE BLU/WHT WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/YEL WIRE CHEVROLET FRONT SEAT/CENTER CONSOLE (BLUNT CUT) GMC GRN WIRE GRN/GRY WIRE GRN/YEL WIRE GRY/GRN WIRE HIGH MOUNT STOP LAMP LEFT STROBE LAMPS HEADLAMP BLUNT CUT POWER DISTRIBUTION SYSTEM REAR FASCIA STROBE LAMPS BLUNT CUT RIGHT STROBE LAMPS HEADLAMP BLUNT CUT VIO WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE

3.0L TURBO DIESEL 5.3L, 6.2L AMBIENT AIR TEMPERATURE SENSOR AMBIENT AIR TEMPERATURE SENSOR SIGNAL AUTOSAR CAN BUS (-) 2 SER DATA BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/YEL WIRE BRAKE FLUID LEVEL INDICATOR SWITCH BRN/BLU WIRE BRN/GRN WIRE COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) ENGINE CONTROL SENSOR LOW REFERENCE 1 ENGINE CONTROL VEHICLE SENSORS 5 VOLT REFERENCE 1 ENGINE CONTROL VEHICLE SENSORS LOW REFERENCE 1 ENGINE CONTROLS SYSTEM ENGINE OIL LEVEL INDICATOR SWITCH ENGINE OIL PRESSURE SENSOR ENGINE OIL TEMPERATURE SENSOR FUEL LEVEL SENSOR FUEL LEVEL SENSOR LOW REFERENCE FUEL PUMP POWER CONTROL MODULE GMC/ CHEVROLET GRN/GRY WIRE GRN/YEL WIRE HOT AT ALL TIMES J134 (CADILLAC 3.0L TURBO DIESEL) J131 (CADILLAC 6.2L) J135 (CADILLAC 3.0L TURBO DIESEL) J131 (CADILLAC 6.2L) J184 (GMC, CHEVROLET 3.0L TURBO DIESEL) J151 (GMC, CHEVROLET 5.3L, 6.2L) J187 (GMC, CHEVROLET 3.0L TURBO DIESEL) J151 (GMC, CHEVROLET 5.3L, 6.2L) LEFT RIGHT LOGIC OIL LEVEL SWITCH SIGNAL OIL PRESSURE SENSOR SIGNAL OIL TEMPERATURE SENSOR SIGNAL PARKING BRAKE CONTROL SWITCH PARKING BRAKE SWITCH POWER DISTRIBUTION SYSTEM PRIMARY FUEL LEVEL SENSOR SIGNAL PRIVATE SERIAL DATA POWERTRAIN CAN BUS (+) SERIAL DATA RED/GRN WIRE RIGHT END OF DASH) RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK SEEK DOWN SEEK UP SEL STEERING WHEEL RADIO CONTROL SWITCH TRANSFER CASE FLUID TEMPERATURE SENSOR SIGNAL VIO WIRE WHT WIRE WHT/RED WIRE YEL/BRN WIRE

3.0L TURBO DIESEL 3.0L TURBO DIESEL, 6.2L 6.2L, 5.3L AUTOSAR CAN BUS (+) 2 SERIAL DATA AUTOSAR CAN BUS (-) 3 SERIAL DATA AUTOSAR CAN BUS (+) 3 SERIAL DATA BLK WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/YEL WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) ENGINE STOP/START MODE CONTROL SWITCH GMC/ CHEVROLET GRN WIRE GRN/BLK WIRE GROUND HOT AT ALL TIMES IGNITION MODE SWITCH MODE VOLTAGE ILL MULTI-FUNCTION POWER SUPPLY CONVERTER ON/OFF VEHICLE SWITCH PASSIVE START SWITCH 2 LOW REF PASSIVE START SWITCH SIGNAL 2 POWER DISTRIBUTION SYSTEM PRIVATE SERIAL DATA POWERTRAIN CAN BUS (+) SERIAL DATA RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT END OF DASH) RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK RUN/CRANK IGNITION 1 VOLTAGE SERIAL DATA GATEWAY MODULE (BEHIND LEFT END OF DASH) STARTER ENABLE RELAY CONTROL STARTER PINION SOLENOID ACTUATOR RELAY CONTROL STOP/START INDICATOR CONTROL DRIVER MODE 1 INDICATOR CONTROL STOP/START SWITCH SIGNAL DRIVER MODE 1 SWITCH SIGNAL VEHICLE STABILITY CONTROL SYSTEM SWITCH VIO/GRN WIRE WHT WIRE YEL WIRE YEL/BLK WIRE YEL/VIO WIRE

AUTOSAR CAN BUS (+) 1 SERIAL DATA AUTOSAR CAN BUS (+) 2 SERIAL DATA BATT POS VOLT BLK WIRE BLK/WHT WIRE BLU WIRE BLU/YEL WIRE BRAKE MASTER CYLINDER) BRAKE SYSTEM CONTROL MODULE CHEVROLET/ GMC COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEMS ELECTRONIC BRAKE CTRL MODULE LIN BUS 2 ENGINE WIRING HARNESS JUNCTION BLOCK GRN/BLU WIRE GROUND HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED LOGIC POWER DISTRIBUTION SYSTEM RED/VIO WIRE RIGHT END OF DASH) RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK RUN/CRANK IGNITION 1 VOLTAGE TRAILER AUXILIARY CTRL TRAILER BRAKE APPLY SIG TRAILER BRAKE APPLY SIGNAL TRAILER BRAKE CONTROL MODULE TRAILER BRAKE CONTROL SWITCH TRAILER BRAKE ENABLE SIG TRAILER BRAKE ENABLE SIGNAL VIO/WHT WIRE WHT WIRE WHT/BLK WIRE YEL/BLK 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