Buick Envision II (2020-2024) instrument panel wiring harness junction block Wiring diagrams

AUTOSAR CAN BUS (+) 5 SERIAL DATA BATT POS VOLT BLK WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE BODY CTRL MODULE LIN BUS 5 AUTOSAR CAN BUS (+) 2 SERIAL DATA GND BRN/BLK WIRE BRN/GRN WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE WIRING HARNESS JUNCTION BLOCK GRN/BLK WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL LOW FREQUENCY ANTENNA INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LEFT FRONT EXTERIOR DOOR HANDLE SWITCH UNLOCK SIG LF DOOR LOCK ACTUATOR CTRL LF DOOR OPEN SWITCH SIG LIN BUS 16 LOCK ACTUATOR UNLOCK CTRL 1 LOGIC PASSIVE ENTRY HI SIG PASSIVE ENTRY LOW SIG REAR BUMPER LOW FREQUENCY ANTENNA REAR CONSOLE LOW FREQUENCY ANTENNA RED/VIO WIRE RED/YEL WIRE REMOTE FUNCTION ACTUATOR MODULE RF DOOR LOCK ACTUATOR CTRL SECURITY IND SIG GND VIO WIRE VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/GRY WIRE YEL/GRN WIRE

1 VOLT AUTOSAR CAN BUS BLK WIRE BLK/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE COMPUTER DATA LINES SYSTEM COOLING FAN MOTOR ENGINE COOLANT PUMP ENGINE COOLANT TEMPERATURE GAUGE ENGINE WIRING HARNESS JUNCTION BLOCK GRN/BRN WIRE GRN/VIO WIRE GROUND HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT PANEL CLUSTER CONTROL MODULE INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LOGIC NCA WIRE RADIATOR COOLANT TEMPERATURE SENSOR RED/GRY WIRE RED/YEL WIRE RIGHT SIDE OF RADIATOR) RUN/CRANK IGN VIO/BLK WIRE VIO/WHT WIRE YEL/BLK WIRE

AJAR SW SIG AUTOSAR CAN BUS BATT POS VOLT BATT POS VOLT INSTRUMENT PANEL ACCENT LIGHTING CTRL GROUND BLK WIRE BLU/GRN WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE BRN/BLU WIRE COMPUTER DATA COMPUTER DATA LINES SYSTEM DOME LAMP IND DOME LAMP ON/OFF SWITCH DOME LAMP TURN OFF SWITCH DRIVER FRONT SIDE DOOR LATCH DRIVER FRONT SIDE DOOR WINDOW REGULATOR MOTOR DRIVER INFORMATION CENTER DISPLAY ENGINE WIRING HARNESS JUNCTION BLOCK FRONT READING LAMP IND FRONT READING LAMP SWITCH GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/WHT WIRE HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER CONTROL MODULE INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK INTERIOR DOOR HANDLE ACCENT LIGHTING CTRL INTERIOR LAMP CTRL LEFT REAR SIDE DOOR LATCH LEFT REAR SIDE DOOR WINDOW SWITCH LINES SYSTEM LOGIC MULTI-FUNCTION POWER SUPPLY CONVERTER NETWORK BUS 3 NETWORK BUS 4 PASSENGER FRONT SIDE DOOR LATCH PASSENGER FRONT SIDE DOOR WINDOW REGULATOR MOTOR POWER DISTRIBUTION SYSTEM REAR COMPT COURTESY LAMP CTRL REAR READING LAMP IND REAR READING LAMP SWITCH REAR SEAT CENTER READING LAMP RED WIRE RED/GRY WIRE RED/VIO WIRE RED/YEL WIRE ROOF CONSOLE VIO/GRY WIRE W/ SUNROOF W/ UNIVERSAL GARAGE DOOR OPENER W/O SUNROOF WHT WIRE WHT/BLK WIRE WHT/BRN WIRE WHT/YEL WIRE

BATT POSI SPLY BATTERY DISTRIBUTION ENGINE COMPARTMENT FUSE BLOCK BLK WIRE BODY CONTROL MODULE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DRIVER FRONT SIDE DOOR WINDOW SWITCH DRIVER OUTSIDE REAR VIEW MIRROR GLASS DRIVER OUTSIDE REAR- VIEW MIRROR ENGINE WIRING HARNESS JUNCTION BLOCK FRONT HEATER, AIR CONDITIONING USER INTERFACE CONTROL GRN/YEL WIRE HOT AT ALL TIMES INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LOGIC NCA WIRE NETWORK SERIAL DATA BUS 9 NETWORK SERIAL DATA LIN BUS 9 PASSENGER FRONT SIDE DOOR WINDOW SWITCH PASSENGER OUTSIDE REAR VIEW MIRROR PASSENGER OUTSIDE REAR VIEW MIRROR GLASS REAR DEFOGGER IND REAR DEFOGGER RLY CTRL REAR DEFOGGER SWITCH REAR WINDOW DEFOGGER GRID REAR WINDOW DEFOGGER RELAY RED/GRN WIRE RED/GRY WIRE WHT WIRE

BK COAX BLK/WHT WIRE BLK/YEL WIRE BU COAX CAMERA VIDEO SIG COAX DISPLAY (IF EQUIPPED) DOWN DRIVER OUTSIDE REAR VIEW MIRROR GLASS DRIVER OUTSIDE REAR- VIEW MIRROR GRN/WHT WIRE HOT W/ IGNITION MAIN RELAY ENERGIZED INSIDE REAR VIEW MIRROR INSIDE REAR VIEW MIRROR CAMERA VIDEO DISPLAY INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LEFT LOGIC MIRROR DIMMING NCA WIRE OUT PASSENGER OUTSIDE REAR VIEW MIRROR PASSENGER OUTSIDE REAR VIEW MIRROR GLASS RIGHT VIO/GRY WIRE YEL/WHT WIRE

BLK WIRE DRIVER FRONT SEAT BACK VENTILATION BLOWER DRIVER FRONT SEAT CUSHION VENTILATION BLOWER GRN WIRE GRN/VIO WIRE HOT W/ IGNITION MAIN RELAY ENERGIZED IGN INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LOGIC MTR SPD CTRL PASSENGER FRONT SEAT BACK VENTILATION BLOWER PASSENGER FRONT SEAT CUSHION VENTILATION BLOWER POWER DISTRIBUTION SYSTEM VIO/BLK WIRE VIO/GRY WIRE VIO/WHT WIRE

AUTO AUTOSAR CAN BUS BATT POS VOLT BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE COMPUTER DATA COMPUTER DATA LINES SYSTEM ENGINE WIRING HARNESS JUNCTION BLOCK FLOOR CONSOLE ACCESSORY FUNCTION SWITCH FLOOR CONSOLE FRONT ACCESSORY POWER RECEPTACLE FLOOR CONSOLE REAR DUAL CHARGE ONLY RECEPTACLE FRONT HEATER, AIR CONDITIONING USER INTERFACE CONTROL GEAR SHIFT CONTROL MODULE GRN/GRY WIRE GROUND HAZARD WARNING SWITCH HEAD HEAD-UP DISPLAY SWITCH HEADLAMP SWITCH HEADLAMP SWITCH PARK LAMP SIGNAL HOT AT ALL TIMES INSTRUMENT PANEL DIMMER SWITCH INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LEFT REAR SEAT HEATER SWITCH LINES SYSTEM LOGIC MULTI-FUNCTION POWER SUPPLY CONVERTER MULTIMEDIA RECEPTACLE OFF ON/OFF VEHICLE SWITCH PARK POWER DISTRIBUTION SYSTEM RED/GRY WIRE RED/VIO WIRE RED/YEL WIRE RIDE CONTROL SWITCH RIGHT REAR SEAT HEATER SWITCH WHT WIRE YEL WIRE YEL/GRY WIRE

AUTOSAR CAN BATT POS VOLT BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE BUS (-) 2 SERIAL DATA CAN BUS (+) 2 COMPUTER DATA LINES SYSTEM DOOR LOCKS SYSTEM GRN/YEL WIRE GRY/BLK WIRE HOT AT ALL TIMES INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LIFTGATE AJAR SW SIG 1 LIFTGATE LATCH LIGHTING CONTROL MODULE LOCK ACTUATORS UNLOCK CTRL 2 REAR LICENSE PLATE LAMP MODULE RED/WHT WIRE RR CLOSURE HNDL SW OPEN SIG RR CLOSURE UNLATCH ACTR UNLATCH CTRL VIO/GRY WIRE WHT WIRE YEL/BLU WIRE

3/4 OFF BATT POS VOLT BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN BUS (+) 2 COMPUTER DATA LINES SYSTEM GRN WIRE GRN/BLU WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/VIO WIRE HOT AT ALL TIMES ILL INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LIFTGATE POWER ASSIST ACTUATOR (UPPER LEFT SIDE OF LUGGAGE COMPT) LIFTGATE RELEASE SWITCH LIFTGATE RELEASE, LIFTGATE OPEN LIFTGATE SENS LAMP CTRL MAX NCA WIRE OPEN/CLOSE SW SIG REAR CLOSURE HANDLE SW OPEN SIG REAR CLOSURE HANDS FREE LAMP REAR CLOSURE HANDS FREE MODULE REAR LICENSE PLATE LAMP MODULE RED/WHT WIRE WHT WIRE WHT/GRY WIRE YEL WIRE YEL/BLU WIRE

AIR BAG IND BATT POS VOLT BLK WIRE BLK/ORG WIRE BLK/WHT WIRE BLU WIRE BRN/BLU WIRE BRN/ORG WIRE BUS (+1) SER DATA BUS (+2) SER DATA COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY DRIVER SEAT BELT SWITCH DRIVER FRONT SEAT BELT BUCKLE ETHERNET BUS 7 (-) GRY/ORG WIRE HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER CONTROL MODULE INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LOGIC NCA WIRE ORG/BRN WIRE ORG/GRN WIRE ORG/GRY WIRE ORG/VIO WIRE PASSENGER RESTRAINTS OCCUPANT CLASSIFICATION SYSTEM MODULE PASSENGER SEAT BELT SWITCH PASSENGER FRONT SEAT BELT BUCKLE PASSENGER SEAT BELT TENSION SENSOR RED/VIO WIRE RETRACT SW SIG RUN/CRANK IGN 1 VOLTAGE SEAT BELT IND SIG GND STEERING WHEEL AIR BAG STEERING WHEEL AIR BAG COIL SW LOW REF VIO/BLK WIRE VIO/GRN WIRE WHT WIRE WHT/ORG WIRE