Buick Envision II (2020-2024) (base of left "a" pillar) Wiring diagrams

AJAR SW SIG BLK WIRE BLU/YEL WIRE COMPUTER COMPUTER DATA LINES SYSTEM DATA LINES DRIVER FRONT SIDE DOOR LATCH DRIVER FRONT SIDE DOOR WINDOW CONTROL SWITCH DRIVER FRONT SIDE DOOR WINDOW REGULATOR MOTOR GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE LEFT REAR SIDE DOOR LATCH LEFT REAR SIDE DOOR WINDOW SWITCH LF DR AJAR SW SIG LOGIC NETWORK BUS 4 PASSENGER FRONT SIDE DOOR LATCH PASSENGER FRONT SIDE DOOR WINDOW REGULATOR MOTOR SYSTEM VIO/GRY WIRE WHT WIRE WHT/VIO WIRE YEL/GRN WIRE

BLK WIRE BLU/VIO WIRE BLU/YEL WIRE DOWN DRIVER FRONT SEAT ADJUSTER ACTUATOR DRIVER FRONT SEAT ADJUSTER SWITCH DRIVER FRONT SEAT RECLINER ACTUATOR DRIVER FRONT SEAT TILT ADJUSTER ACTUATOR DRIVER FRONT SEAT VERTICAL ADJUSTER ACTUATOR ENGINE WIRING HARNESS JUNCTION BLOCK GRN/BRN WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/GRN WIRE HOT AT ALL TIMES RECLINE FWD RECLINE RWD RED/GRN WIRE RWD YEL WIRE YEL/BLU WIRE

BLK WIRE BLK/BRN WIRE DOWN DRIVER FRONT SEAT BACK LUMBAR PUMP DRIVER FRONT SEAT BLADDER CONTROL MODULE DRIVER FRONT SEAT LUMBAR SWITCH ENGINE WIRING HARNESS JUNCTION BLOCK HOT AT ALL TIMES NCA WIRE RED WIRE RED/WHT WIRE RWD WHT WIRE WHT/BLU WIRE YEL/BRN WIRE

5 BUS (-) 5-VOLT REF 1 BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE BRAKE APPLY SENS CTRL BRAKE APPLY SENS LOW REF BRAKE APPLY SENS SIG BRAKE PEDAL POSITION SENSOR BRAKE SIGN BRK POS SENS SIG CAN BUS (+) 2 CAN BUS (-) 2 BATT POS VOLT CAN BUS (-) 3 COMPUTER DATA LINES SYSTEM CRUISE/ETC/TCC CRUISE/ETC/TCC BRAKE SIG DRIVER INFORMATION CENTER DISPLAY ENG CTRL SENS ENG CTRL VEH SENS ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) ENGINE WIRING HARNESS JUNCTION BLOCK GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/BRN WIRE HANDS-FREE LIFTGATE SENS LAMP CTRL HAZARD WARNING SW SIG HAZARD WARNING SWITCH HDLP SW FLASH SIG HIGH BEAM SELECT SW HIGH BEAM SIG HDLP SW PARK LP SIG HEADLAMP SWITCH HI BEAM ASSIST SW SIG HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER CONTROL MODULE INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LEFT TURN IND LH TURN SIG SW SIG LOGIC LOW REF 2 OFF AUTO PARK HEAD PARK LAMPS IND REAR CLOSURE HANDLE SW OPEN SIG REAR CLOSURE HANDS FREE LAMP RED/WHT WIRE RH TURN SIG SW SIG RIGHT TURN IND SIG GND TURN SIGNAL SWITCH VIO/BLU WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLU WIRE YEL/BRN 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

BLK WIRE BLK/WHT WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SWITCH GRN/BLK WIRE GRY/YEL WIRE HEATED STEERING WHEEL IND HEATED STEERING WHEEL MODULE HEATED STEERING WHEEL SWITCH HOT AT ALL TIMES INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LOGIC RED/BRN WIRE STEERING WHEEL AIR BAG COIL STEERING WHEEL HEATER STEERING WHEEL RADIO CONTROL SWITCH VIO WIRE VIO/BLU WIRE VIO/GRN WIRE WHT/YEL WIRE YEL/GRY WIRE YEL/RED WIRE

ABS IND. ADAPTIVE CRUISE IND ADAPTIVE FRONT LIGHTING (AFL) LIGHT IND AIR BAG IND AUTO HOLD IND AUTOSAR CAN BUS (+) 5 SERIAL DATA BATT POS VOLT BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE IND BRAKE WARNING IND BRN/BLU WIRE CHARGE IND COLLISION AVOIDANCE CIRCUIT COMPUTER DATA LINES SYSTEM CRUISE IND DRIVER INFORMATION CENTER DISPLAY ENGINE COOLANT TEMPERATURE GAUGE ENGINE COOLANT TEMPERATURE IND ENGINE OIL PRESSURE IND ESC IND ESC OFF IND ETHERNET BUS 7 (-) FRONT FOG LAMP IND FUEL GAUGE FUEL IND/ LOW FUEL IND GRN/BLK WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/YEL WIRE GY LVDS HEAD-UP DISPLAY CIRCUIT HEAD-UP DISPLAY SIG HIGH BEAM IND HILL DESCENT CONTROL IND HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED ILLUMINATION AUTOSAR CAN BUS (-) 5 SERIAL DATA INSTRUMENT CLUSTER LIN BUS 1 INSTRUMENT PANEL CLUSTER CONTROL MODULE INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LANE DEPARTURE WARNING IND LANE KEEP ASSIST IND LEFT TURN IND LIGHTS ON IND LOGIC MULTI-FUNCTION POWER SUPPLY CONVERTER PARK BRAKE IND PARK LAMP IND POWER STEERING WARNING LIGHT IND REAR FOG LAMP IND RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE RIGHT TURN IND RUN/CRANK IGN 1 VOLT SEAT BELT IND SECURITY IND SERVICE PARK BRAKE IND SPEEDOMETER TACHOMETER TIRE PRESSURE IND TRACTION CONTROL OFF IND VEHICLE AHEAD IND VIO/BLK WIRE

AJAR SW SIG AUTOSAR CAN BUS (+) 2 SERIAL DATA AUTOSAR CAN BUS (-) 2 SERIAL DATA BLK WIRE BLK/YEL WIRE BLU/RED WIRE BLU/YEL WIRE BODY CONTROL MODULE COMPUTER DATA LINES SYSTEM DRIVER FRONT SIDE DOOR LATCH DRIVER FRONT SIDE DOOR WINDOW CONTROL SWITCH DRIVER FRONT SIDE DOOR WINDOW REGULATOR MOTOR ENGINE OIL PRESSURE SENSOR GRN/GRY WIRE GRN/YEL WIRE GRY WIRE LEFT FRONT DOOR OPEN SW SIG LEFT REAR SIDE DOOR LATCH LEFT REAR SIDE DOOR WINDOW SWITCH LF DR AJAR SW SIG LIN BUS 3 LOGIC NETWORK BUS 4 PASSENGER FRONT SIDE DOOR LATCH PASSENGER FRONT SIDE DOOR WINDOW REGULATOR MOTOR RIGHT REAR SIDE DOOR LATCH RIGHT REAR SIDE DOOR WINDOW SWITCH VIO/GRY WIRE WHT WIRE WHT/VIO WIRE YEL/BRN WIRE

BLK WIRE BLU/BLK WIRE BLU/WHT WIRE COMPUTER DATA LINES SYSTEM ENGINE WIRING HARNESS JUNCTION BLOCK GRN/BLK WIRE GRN/BRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LEFT REAR SEAT BACK HEATER LEFT REAR SEAT CUSHION HEATER REAR SEAT HEATER CONTROL MODULE RED/GRY WIRE RED/VIO WIRE RIGHT REAR SEAT BACK HEATER RIGHT REAR SEAT CUSHION HEATER WHT/BLK WIRE WHT/BLU WIRE YEL WIRE YEL/BLK WIRE YEL/WHT WIRE

AUTOSAR CAN BUS (-) 2 SER DATA BATTERY POSITIVE VOLT BLK WIRE BLU/YEL WIRE BODY CONTROL MODULE BRN/GRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM HIGH HEATED SEAT IND HIGH HEATED SEAT SWITCH ILL LEFT REAR SEAT HEATER SWITCH LR SEAT HEATING HIGH IND CTRL LR SEAT HEATING SW SIG RED/VIO WIRE RIGHT REAR SEAT HEATER SWITCH RR SEAT HEATING HIGH IND CTRL RR SEAT HEATING SW SIG WHT WIRE YEL WIRE