Buick Envision II (2020-2024) nca Wiring diagrams

AUDIO AMPLIFIER BATTERY MONITOR MODULE BLU WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (BELOW CENTER OF INSTRUMENT PANEL, ON FLOOR) BRN/BLK WIRE BRN/BLU WIRE CAN BUS (-) 5 DRIVER FRONT SIDE DOOR WINDOW CONTROL SWITCH DRIVER FRONT SIDE DOOR WINDOW REGULATOR MOTOR ENGINE COOLING FAN MOTOR ETHERNET BUS 6 (-) FRONT SEAT HEATER VENT CONTROL MODULE GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/WHT WIRE HEATED STEERING WHEEL MODULE INSIDE AMBIENT AIR QUALITY PARTICULATE SENSOR MODULE LEFT REAR SIDE DOOR WINDOW SWITCH LIN BUS 1 LIN BUS 10 LIN BUS 11 LIN BUS 12 LIN BUS 16 LIN BUS 3 LIN BUS 4 LIN BUS 5 LIN BUS 6 LIN BUS 8 LIN BUS 9 NCA WIRE PASSENGER FRONT SIDE DOOR WINDOW CONTROL SWITCH PASSENGER FRONT SIDE DOOR WINDOW REGULATOR MOTOR REAR CLOSURE HAND- FREE MODULE REAR SEAT HEATER CONTROL MODULE REMOTE FUNCTION ACTUATOR MODULE RIGHT REAR SIDE DOOR WINDOW SWITCH STEERING WHEEL AIR BAG COIL VIO WIRE VIO/GRN WIRE W/ IOS W/ IOU WHT WIRE YEL WIRE

BATTERY POSITIVE VOLTAGE BLK WIRE BLK/VIO WIRE BLK/WHT WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE BRN WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SWITCH DAY NIGHT LED CTRL DRIVER INFORMATION CENTER DISPLAY DRIVER SEAT ADJUSTER MEMORY MODULE FLOOR CONSOLE ACCESSORY FUNCTION SWITCH FORWARD COLLISION ALERT DISPLAY FORWARD COLLISION ALERT LED CTRL GRN WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT CLUSTER CONTROL MODULE INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LANE DEPARTURE WARN DISABLE SW SIG LANE DEPARTURE WARN IND CTRL LANE DEPARTURE WARNING IND LANE KEEPING ASSIST IND LANE KEEPING ASSIST SWITCH LEFT FRONT SEAT LANE DEPARTURE WARNING ACTUATOR LOGIC LR SEAT HAPTIC MOVEMENT MOTOR CONTROL NCA WIRE RED WIRE RED/BRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT SEAT LANE DEPARTURE WARNING ACTUATOR STEERING WHEEL AIR BAG COIL VEHICLE AHEAD IND VIO WIRE VIO/GRN WIRE W/ MEMORY W/O MEMORY WHT WIRE WHT/GRY WIRE WINDSHIELD FRONT VIEW CAMERA YEL WIRE YEL/BRN WIRE

BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/VIO WIRE BRN/WHT WIRE CAN-BUS CELL CELLULAR TELEPHONE COAX COMPUTER DATA LINES SYSTEM GPS/ CELL GRN/BLK WIRE GRN/WHT WIRE GRY WIRE GRY/WHT WIRE GRY/YEL WIRE KEYPAD CTRL KEYPAD GREEN LED CTRL KEYPAD RED LED CTRL WIRE KEYPAD SIG LOGIC LOW REF MICROPHONE (-) LOW REF MICROPHONE SIG MULTIMEDIA RECEPTACLE NCA WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE ROOF CONSOLE USB USB GY VIO/YEL WIRE VOICE LOW REF VOICE SIG YEL WIRE YEL/VIO WIRE

AUDIO AMPLIFIER AUDIO AMPLIFIER CTRL BATT POSITIVE VOLT BLK/BRN WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/VIO WIRE CAN-BUS COAX COMPUTER DATA LINES SYSTEM ENABLE SIG ENTERTAINMENT REMOTE F CEN SPEAKER (+) CTRL GRN WIRE GRN/BLK WIRE GRN/YEL WIRE LEFT RADIO FRONT SIDE DOOR SPEAKER LEFT RADIO REAR SIDE DOOR SPEAKER LF SPEAKER (-) CTRL 1 LF SPEAKER 1 (+) CTRL LF TWTR SPEAKER (+) CTRL LR SPEAKER (+) CTRL NCA WIRE RED/BLU WIRE RED/GRN WIRE RF SPEAKER (-) CTRL 1 RF SPEAKER 1 (+) CTRL RF TWTR SPEAKER (-) CTRL RIGHT FRONT MOBILE TELEPHONE MICROPHONE RIGHT RADIO FRONT SIDE DOOR SPEAKER RIGHT RADIO REAR SIDE DOOR SPEAKER RR SPEAKER (+) CTRL SIG GND VIO/BLU WIRE VIO/BRN WIRE VIO/YEL WIRE WHT WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRY WIRE YEL/WHT WIRE

BLK/BRN WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE BRN/GRN WIRE BRN/VIO WIRE BRN/WHT WIRE COAX COMPUTER DATA LINES SYSTEM GRN/BLK WIRE GRN/BRN WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE INSTRUMENT PANEL LEFT RADIO FRONT SPEAKER INSTRUMENT PANEL RIGHT RADIO FRONT SPEAKER LEFT LEFT FRONT ACTIVE NOISE CANCELLATION MICROPHONE LEFT FRONT MOBILE TELEPHONE MICROPHONE LEFT REAR ACTIVE NOISE CANCELLATION MICROPHONE LOGIC MUTE NCA WIRE RADIO FRONT CENTER SPEAKER RED/GRN WIRE RIGHT FRONT ACTIVE NOISE CANCELLATION MICROPHONE RIGHT REAR ACTIVE NOISE CANCELLATION MICROPHONE SEL STEERING WHEEL RADIO CONTROL SWITCH TRANSMISSIONS SYSTEM VIO/BLU WIRE VIO/BRN WIRE VOICE VOL (-) VOL DOWN VOL UP RIGHT WHT/GRN WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRY WIRE YEL/WHT WIRE

BARE BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/BLK WIRE BRN/WHT WIRE CAN-BUS CELL CELLULAR TELEPHONE COAX COMPUTER DATA LINES SYSTEM GPS/ CELL GRN/BLK WIRE GRN/WHT WIRE GRY WIRE GRY/WHT WIRE GRY/YEL WIRE KEYPAD CTRL KEYPAD GREEN LED CTRL KEYPAD RED LED CTRL WIRE KEYPAD SIG LOGIC LOW REF MICROPHONE (-) LOW REF MICROPHONE SIG MULTIMEDIA RECEPTACLE NCA WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE ROOF CONSOLE USB USB GY VIO/YEL WIRE VOICE LOW REF VOICE SIG YEL WIRE YEL/VIO WIRE

AUDIO AMPLIFIER BATT POSITIVE VOLT BLK/BRN WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE COAX F CEN SPEAKER (+) CTRL GRN WIRE GRN/BLK WIRE GRY WIRE LEFT RADIO BODY REAR CORNER UPPER GARNISH MOLDING SPEAKER LEFT RADIO FRONT SIDE DOOR SPEAKER LEFT RADIO REAR SIDE DOOR SPEAKER LF SPEAKER (-) CTRL 1 LF SPEAKER 1 (+) CTRL LF TWTR SPEAKER (+) CTRL LR SPEAKER (+) CTRL NCA WIRE R/LR SURR SPEAKER (+) CTRL RED/BLU WIRE RED/GRN WIRE RF SPEAKER (-) CTRL 1 RF SPEAKER 1 (+) CTRL RF TWTR SPEAKER (-) CTRL RIGHT FRONT MOBILE TELEPHONE MICROPHONE RIGHT RADIO BODY REAR CORNER UPPER GARNISH MOLDING SPEAKER RIGHT RADIO FRONT SIDE DOOR SPEAKER RIGHT RADIO REAR SIDE DOOR SPEAKER RR SPEAKER (+) CTRL SIG GND VIO/BLU WIRE VIO/BRN WIRE VIO/YEL WIRE WHT WIRE WHT/BRN WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRY WIRE YEL/WHT WIRE

BLK/BRN WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/WHT WIRE COAX COMPUTER DATA LINES SYSTEM GRN/BLK WIRE GRN/BRN WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE INSTRUMENT PANEL LEFT RADIO FRONT SPEAKER INSTRUMENT PANEL RIGHT RADIO FRONT SPEAKER LEFT LEFT FRONT ACTIVE NOISE CANCELLATION MICROPHONE LEFT FRONT MOBILE TELEPHONE MICROPHONE LEFT REAR ACTIVE NOISE CANCELLATION MICROPHONE LOGIC MUTE NCA WIRE RADIO FRONT CENTER SPEAKER RED/GRN WIRE RIGHT FRONT ACTIVE NOISE CANCELLATION MICROPHONE RIGHT REAR ACTIVE NOISE CANCELLATION MICROPHONE SEL STEERING WHEEL RADIO CONTROL SWITCH TRANSMISSIONS SYSTEM VIO/BLU WIRE VIO/BRN WIRE VOICE VOL (-) VOL DOWN VOL UP RIGHT WHT/GRN WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRY WIRE YEL/WHT WIRE

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 GENERATOR HOT AT ALL TIMES NCA WIRE RED/WHT WIRE STARTER STARTER RELAY TRANSMISSION CONTROL MODULE (TOP OF TRANSMISSION) TRANSMISSION OUTPUT SHAFT SPEED TRANSMISSION PARK VALVE POSITION SWITCH TRANSMISSIONS SYSTEM VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/VIO WIRE

BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT WIRE BUS 1 COMPUTER DATA LINES SYSTEM CRANKSHAFT POSITION SENSOR DRIVER INFORMATION CENTER DISPLAY EVAPORATIVE EMISSION CANISTER PURGE PUMP EXHAUST CAMSHAFT POSITION ACTUATOR SOLENOID VALVE GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/GRY WIRE GRY/BLU WIRE GRY/VIO WIRE INSTRUMENT PANEL CLUSTER CONTROL MODULE INTAKE CAMSHAFT POSITION ACTUATOR SOLENOID VALVE KNOCK SENSOR #2 KNOCK SENSOR 1 LIN LOGIC MALFUNCTION IND NCA WIRE RED/WHT WIRE THROTTLE BODY (ON INTAKE MANIFOLD) VIO/BLK WIRE VIO/BLU WIRE VIO/BRN WIRE VIO/GRY WIRE WHT WIRE WHT/GRY WIRE WHT/RED WIRE YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/WHT WIRE