Buick Envision II (2020-2024) (body harness, under left front seat) 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 COMPUTER DATA DRIVER FRONT SIDE DOOR WINDOW CONTROL SWITCH DRIVER TRIM PANEL FRONT SIDE DOOR LIGHT CONDUCTOR LAMP FRONT FLOOR CONSOLE BIN LAMP GRN/YEL WIRE GRY/VIO WIRE INSTRUMENT PANEL LIGHT CONDUCTOR INNER LAMP LEFT FRONT SIDE DOOR INSIDE HANDLE ILLUMINATION LAMP LEFT FRONT SIDE DOOR MAP POCKET ILLUMINATION LAMP LEFT INSTRUMENT PANEL LIGHT CONDUCTOR LAMP LEFT REAR SIDE DOOR INSIDE HANDLE ILLUMINATION LAMP LINES SYSTEM NCA WIRE PASSENGER FRONT SIDE DOOR WINDOW SWITCH PASSENGER TRIM PANEL FRONT SIDE DOOR LIGHT CONDUCTOR LAMP RIGHT FRONT SIDE DOOR INSIDE HANDLE ILLUMINATION LAMP RIGHT FRONT SIDE DOOR MAP POCKET ILLUMINATION LAMP RIGHT REAR SIDE DOOR INSIDE HANDLE ILLUMINATION LAMP WHT/BLK WIRE WHT/BRN WIRE WHT/YEL WIRE

AUXILIARY PARK LAMP RLY CTRL BACKUP LAMP CONTROL BACKUP LAMP CTRL BACKUP LAMPS CIRCUIT BATTERY POSITIVE VOLTAGE BATTERY POSITIVE VOLTAGE LR PARK LAMP CTRL BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/VIO WIRE BLU/WHT WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE ENGINE WIRING HARNESS JUNCTION BLOCK FR TURN SIG LAMP FEEDBACK SIG GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/YEL WIRE HOT AT ALL TIMES INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LEFT FRONT SIDE MARKER LAMP LEFT LIFTGATE REAR COMBINATION LAMP LEFT REAR BODY STRUCTURE STOP LAMP LEFT REAR SIDE MARKER LAMP LF DRL CTRL LF PARK LAMP CTRL LF TURN SIG LAMP CTRL LIGHTING CONTROL MODULE (RIGHT SIDE OF DASH) LOGIC LOW WASHER FLUID INDICATOR CTRL LR STOP LAMP CTRL REAR LICENSE PLATE LAMP MODULE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE RF DRL CONTROL RF TURN SIG LAMP FEEDBACK SIG RIGHT FRONT PARK LAMP CONTROL RIGHT FRONT SIDE MARKER LAMP RIGHT REAR STOP LAMP CONTROL RR LICENSE PLATE LAMP CTRL RR TURN SIG LAMP CTRL 2 RR WINDOW WASHER RLY CTRL RR WIPER MTR RLT COIL CTRL TRAILER TOW CIRCUIT VIO WIRE VIO/BLK WIRE WHT/BRN WIRE WHT/VIO WIRE WHT/YEL WIRE WINDSHIELD WASHER RLY CTRL WINDSHIELD WIP MTR PRK SW SIG WINDSHIELD WIP MTR RLY COIL CTRL WINDSHIELD WIPER SWITCH HIGH SIG WIPER/WASHER SYSTEM YEL WIRE YEL/BLU WIRE YEL/GRN 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 BLK/WHT WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/GRY WIRE COMPUTER DATA CRUISE CONTROL SWITCH DRIVER DOOR LOCK SWITCH DRIVER FRONT SEAT ADJUSTER MEMORY SWITCH DRIVER FRONT SIDE DOOR WINDOW CONTROL SWITCH GARAGE DOOR OPENER TRANSMITTER GRN/BLK WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/VIO WIRE INSTRUMENT PANEL CLUSTER CONTROL MODULE LIFTGATE RELEASE SWITCH LINES SYSTEM LOGIC NCA WIRE PARKING BRAKE CONTROL SWITCH PASSENGER DOOR LOCK SWITCH PASSENGER FRONT SIDE DOOR WINDOW SWITCH ROOF CONSOLE STEERING WHEEL RADIO CONTROL SWITCH W/ MEMORY W/ UNIVERSAL GARAGE DOOR OPENER W/O MEMORY W/O UNIVERSAL GARAGE DOOR OPENER YEL WIRE YEL/BLK WIRE

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

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

AUTOSAR CAN BUS (+) 1 SERIAL DATA AUTOSAR CAN BUS (+) 5 SERIAL DATA BLK WIRE BLK/ORG WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE IND COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY DRIVER SEAT BELT SENS SIG DRIVER SEAT BELT SW LOW REFR DRIVER SEAT BELT SWITCH DRIVER FRONT SEAT BELT BUCKLE ETHERNET BUS 2 (-) GROUND HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT PANEL CLUSTER CONTROL MODULE INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LOGIC MULTI-FUNCTION POWER SUPPLY CONVERTER NCA WIRE ORG/BRN WIRE ORG/GRY WIRE ORG/VIO WIRE PARK BRAKE IND PASSENGER SEAT BELT SW SIG PASSENGER SEAT BELT SWITCH PASSENGER FRONT SEAT BELT BUCKLE RADIO RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RESTRAINTS CONTROL MODULE RUN/CRANK IGNITION 1 VOLTAGE SEAT BELT IND SERVICE PARK BRAKE IND VIO/BLK WIRE WHT WIRE