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

AFL IND AUTOSAR CAN BUS (+) 2 SERIAL DATA BLK WIRE BLU/BRN WIRE BLU/YEL WIRE BRN/BLU WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE WIRING HARNESS JUNCTION BLOCK GROUND HEADLAMP CONTROL MODULE HIGH BEAM LAMP IND HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER CONTROL MODULE LEFT FRONT HEADLAMP LEFT HEADLAMP CONTROL MODULE LIGHTING CONTROL MODULE LOGIC LOW SPD GMLAN SER DATA 2 POWER DISTRIBUTION SYSTEM RED/BRN WIRE RED/WHT WIRE RIGHT FRONT HEADLAMP RIGHT HEADLAMP CONTROL MODULE WHT WIRE WHT/BLU 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

BLK WIRE BLU/BRN WIRE BLU/VIO WIRE BLU/WHT WIRE BRN/GRY WIRE BRN/YEL WIRE CENTER HIGH MOUNTED STOP LAMP RADIO AM ANTENNA SIGNAL FILTER MODULE ENGINE WIRING HARNESS JUNCTION BLOCK GRN/VIO WIRE GRY/BLU WIRE HIGH MOUNTED STOP LAMP HOT AT ALL TIMES INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LEFT FRONT HEADLAMP LEFT HEADLAMP CONTROL MODULE LOGIC NCA WIRE RED/BLU WIRE RED/GRN WIRE RIGHT FRONT HEADLAMP RIGHT HEADLAMP CONTROL MODULE RIGHT REAR BODY STRUCTURE STOP LAMP RIGHT REAR SIDE MARKER LAMP VIO/BLK WIRE WHT/BLK WIRE WHT/VIO WIRE WHT/YEL WIRE YEL/BLU WIRE YEL/GRN WIRE

ANIMATION LIGHTING CTRL AUTOSAR CAN BUS (+) 2 SERIAL DATA AUTOSAR CAN BUS (-) 2 SERIAL DATA CRUISE/ETC/TCC BRAKE SIGNAL BACKUP LAMPS CIRCUIT BATTERY POSITIVE VOLTAGE BLK WIRE BLK/WHT WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/GRY WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM ENGINE WIRING HARNESS JUNCTION BLOCK GRN/BRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRY WIRE HDLP LVLG CAN BUS COMMUNICATION ENABLE HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LEFT HEADLAMP HIGH BEAM CTRL LEFT HEADLAMP LOW BEAM CTRL LIFTGATE AJAR SWITCH SIGNAL 1 LIGHTING CONTROL MODULE (RIGHT SIDE OF DASH) LOGIC LR TRAILER STOP/TURN LAMP CTRL LR TURN SIGNAL LAMP CTRL 2 RED/BLU WIRE RED/BRN WIRE RED/GRY WIRE RED/VIO WIRE RIGHT FRONT TURN SIGNAL LAMP CTRL RIGHT HEADLAMP HIGH BEAM CTRL RIGHT HEADLAMP LOW BEAM CTRL RIGHT LIFTGATE REAR COMBINATION LAMP RR PARK LAMP CTRL RR TRAILER STOP/TURN LAMP CTRL RR TURN SIG LAMP FEEDBACK SIG RUN/CRANK IGNITION 1 VOLTAGE SIGNAL GROUND STOP LAMP RELAY COIL CONTROL TRAILER TOW CIRCUIT TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO/GRY WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/VIO WIRE WHT/YEL WIRE WINDSHIELD WIPER SW 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

AUTOSAR CAN BUS (+) 2 SERIAL DATA BLK WIRE BLK/WHT WIRE BLU/BRN WIRE BLU/YEL WIRE COMPUTER DATA LINES SYSTEM DAYTIME RUNNING LAMP, ENGINE WIRING HARNESS JUNCTION BLOCK GRY/BLU WIRE HEADLAMP COOLING FAN HIGH BEAM HOT AT ALL TIMES LEFT FRONT DRL CTRL LEFT FRONT HEADLAMP LEFT HEADLAMP CONTROL MODULE LEFT HEADLAMP HIGH BEAM CTRL LEFT HEADLAMP LED DRIVER MODULE LEFT HEADLAMP LOW BEAM CTRL LIGHTING CONTROL MODULE LOW BEAM RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RIGHT FRONT DRL CTRL RIGHT FRONT HEADLAMP RIGHT HEADLAMP CONTROL MODULE RIGHT HEADLAMP HIGH BEAM CTRL RIGHT HEADLAMP LED DRIVER MODULE RIGHT HEADLAMP LOW BEAM CTRL WHT WIRE YEL WIRE

BATTERY DISTRIBUTION ENGINE COMPARTMENT FUSE BLOCK BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE BRN/GRY WIRE BRN/WHT WIRE ENGINE WIRING HARNESS JUNCTION BLOCK GRN/WHT WIRE HIGH NOTE HORN HORN RELAY HORN RLY CTRL HORN SW SIG HOT AT ALL TIMES LOW NOTE HORN RED/GRN WIRE STEERING WHEEL AIR BAG COIL STEERING WHEEL HORN CONTACT

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

AUXILIARY PARK LAMP RLY CTRL BLK WIRE BRN WIRE ENGINE WIRING HARNESS JUNCTION BLOCK GRN WIRE GRN/BRN WIRE GRN/VIO WIRE GRY/BRN WIRE HOT AT ALL TIMES LEFT TRAILER STOP/ TURN SIGNAL LAMP RELAY LIGHTING CONTROL MODULE (RIGHT SIDE OF DASH) LR TRAILER STOP/ TURN LAMP CTRL PARKING LAMP RELAY RIGHT TRAILER STOP/ TURN SIGNAL LAMP RELAY RR TRAILER STOP/ TURN LAMP CTRL TRAILER WIRING HARNESS CONNECTOR WHT WIRE WHT/BRN WIRE YEL WIRE YEL/BLU WIRE YEL/GRY WIRE

ALL WHEEL DRIVE POWER TRANS UNIT POS SENS LOW REF ALL WHEEL DRIVE POWER TRANSFER UNIT MOTOR CTRL A ALL WHEEL DRIVE POWER TRANSFER UNIT MOTOR CTRL B ALL WHEEL DRIVE POWER TRANSFER UNIT MOTOR SHIELD ALL WHEEL DRIVE POWER TRANSFER UNIT POS SENS SIG ALL WHEEL DRIVE POWER TRANSFER UNIT POS SENS VOLT REF AUTOSAR CAN BUS (+) 2 SERIAL DATA AUTOSAR CAN BUS (+) 5 SERIAL DATA AUTOSAR CAN BUS (-) 5 SERIAL DATA AUTOSAR CAN BUS (-) 2 SERIAL DATA BATT POSITIVE VOLT BATTERY POSITIVE VOLT BLK WIRE BLK/VIO WIRE BLK/WHT WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE BRN WIRE BRN/GRN WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DIFFERENTIAL CLUTCH PUMP DRIVER INFORMATION CENTER DISPLAY ENGINE WIRING HARNESS JUNCTION BLOCK ENHANCED DRIVER MODE 1 SW SIG GRN WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/RED WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER CONTROL MODULE INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LIMITED SLIP DIFFERENTIAL CLUTCH VALVE LOGIC NCA WIRE POWER TRANSFER UNIT SHIFT ACTUATOR REAR DRIVE CONTROL MODULE (AT REAR DIFFERENTIAL) RED WIRE RED/BRN WIRE RED/WHT WIRE RIDE CONTROL SWITCH VIO/BRN WIRE VIO/GRN WIRE WHT WIRE WHT/BLU WIRE WHT/RED WIRE WHT/VIO WIRE YEL WIRE YEL/BRN WIRE YEL/GRN WIRE