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

ACTIVE GRILLE AIR SHUTTER ACTUATOR BLK WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE CAN BUS SERIAL DATA (+) 5 CAN BUS SERIAL DATA (-) 5 CAN BUS SERIAL DATA (-) 3 CAN BUS SERIAL DATA (+) 3 COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE ENGINE WIRING HARNESS JUNCTION BLOCK GRN/VIO WIRE GROUND HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED HOT W/ IGNITION MAIN RELAY ENERGIZED IGN INSTRUMENT PANEL CLUSTER CONTROL MODULE INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LIN LIN BUS 1 LOGIC RUN/CRANK IGN 1 VOLTAGE VIO/BLK WIRE VIO/BLU WIRE WHT WIRE

ABS IND. ABS/TRACTION CONTROL HILL DESCENT CONTROL SWITCH SIGNAL AUTOSAR CAN BUS (+) 2 SERIAL DATA AUTOSAR CAN BUS (-) 2 SERIAL DATA GROUND BATTERY POSITIVE VOLTAGE BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/WHT WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE BRAKE APPLY SENSOR CONTROL BRAKE APPLY SENSOR LOW REF BRAKE APPLY SENSOR SIGNAL BRAKE IND BRAKE PEDAL POSITION SENSOR BRAKE POSITION SENSOR SIGNAL COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ELECTRIC PARK BRAKE IND ELECTRONIC STABILITY CONTROL IND ELECTRONIC STABILITY CONTROL OFF IND ELECTRONIC STABILITY CONTROL OFF SWITCH ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) ENGINE CONTROL MODULE LIN BUS 1 ENGINE CONTROL MODULE LIN BUS 2 ENGINE CONTROL SENSORS 5 VOLT REFERENCE 1 ENGINE CONTROL VEHICLE SENSORS LOW REFERENCE 2 FLOOR CONSOLE ACCESSORY FUNCTION SWITCH GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE HILL DESCENT CONTROL SWITCH HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT PANEL CLUSTER CONTROL MODULE INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LOGIC PARK BRAKE IND PARKING BRAKE CONTROL SWITCH RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE TRACTION CONTROL IND TRACTION CONTROL SWITCH SIGNAL 1 VIO/GRY WIRE WHT WIRE WHT/GRN WIRE WHT/RED WIRE

AUTOSAR CAN BUS (+) 5 SERIAL DATA BLK WIRE BLK/WHT WIRE BLU WIRE BLU/YEL WIRE BRAKE MASTER CYLINDER) BRAKE SYSTEM CONTROL MODULE CAN BUS (-) 1 SERIAL DATA COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY GRN/VIO WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE HOT W/ BATTERY SAVER RELAY 1 ENERGIZED HOT W/ IGNITION MAIN RELAY 1 ENERGIZED IGN 1 VOLT INSTRUMENT PANEL CLUSTER CONTROL MODULE INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LEFT FRONT STRUT TOWER) LEFT PARK BRAKE MOTOR APPLY CTRL LEFT PARK BRAKE MOTOR LOW REF LEFT REAR PARKING BRAKE ACTUATOR LOGIC PARK BRAKE IND PARKING BRAKE CONTROL SWITCH RED/GRY WIRE RIGHT PARK BRAKE MOTOR APPLY CTRL RIGHT PARK BRAKE MOTOR LOW REF RIGHT REAR PARKING BRAKE ACTUATOR RUN/CRANK IGN 1 VOLTAGE SERVICE PARK BRAKE IND VIO/BLK WIRE VIO/GRY WIRE WHT WIRE

ACCESSORY AC, DC POWER CONTROL MODULE BATTERY BLK WIRE BLK/GRY WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BODY CONTROL MODULE BRN/BLK WIRE DC/AC ENGINE START/STOP FROM IGNITION MAIN RELAY (DIAGRAM 7 OF 8) FROM INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK (DIAGRAM 7 OF 8) GRN/BLK WIRE GRN/VIO WIRE GROUND INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK INVERTER CONTROL LOGIC LOW REFERENCE NCA WIRE ON/OFF VEHICLE SWITCH POSITIVE VOLTAGE RED WIRE RED/GRN WIRE SERIAL DATA GATEWAY MODULE VIO WIRE YEL WIRE

1-BK 1-BN COAX 1-VT 2-BK 2-VT 2-WH AM/ AM/ FM FM AM/FM AM/FM RADIO ANTENNA AMPLIFIER AUXILIARY WIRELESS COMMUNICATION INTERFACE ANTENNA BK COAX BK LVDS BLK WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE CELL CELL/GPS COAX COAX BG COAX CU COAX OG COMPUTER DATA LINES SYSTEM DISPLAY ENGINE WIRING HARNESS JUNCTION BLOCK GRN/BLK WIRE GRN/WHT WIRE HIGH FREQUENCY ANTENNA HOT AT ALL TIMES INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LOGIC LVDS MULTI-FUNCTION POWER SUPPLY CONVERTER NCA WIRE RADIO RADIO ANTENNA RADIO CONTROL RADIO CONTROLS RD COAX REAR VIEW DRIVER INFORMATION CAMERA RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE USB WIFI

1-WH COAX AUDIO (-) CTRL AUDIO SIG + AUTOSAR CAN BUS AUTOSAR CAN BUS (+) 5 SERIAL DATA BATTERY POS VOLT BLK/BRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BN COAX BRN/BLU WIRE CELL COAX COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY GPS/ CELL GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/YEL WIRE HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER CONTROL MODULE INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LEFT FRONT ACTIVE NOISE CANCELLATION MICROPHONE LEFT FRONT MOBILE TELEPHONE MICROPHONE LEFT REAR ACTIVE NOISE CANCELLATION MICROPHONE LIN BUS 1 LOGIC LOW REF MICROPHONE SIG NCA WIRE RADIO RED/GRN WIRE RIGHT FRONT ACTIVE NOISE CANCELLATION MICROPHONE RIGHT REAR ACTIVE NOISE CANCELLATION MICROPHONE SIGNAL GROUND VIO/BLU WIRE VT COAX WHT WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE

BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BN-1 BRN/VIO WIRE COAX COAX OG COAX RD COMPUTER DATA LINES SYSTEM DRIVER REAR VIEW INFORMATION CAMERA ENGINE WIRING HARNESS JUNCTION BLOCK GRY WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LOGIC LVDS LVDS BK LVDS GY MULTI-FUNCTION POWER SUPPLY CONVERTER RADIO RADIO CONTROL RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE STEERING WHEEL AIR BAG COIL USB USB BK VIO/YEL WIRE

BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BN-1 BRN/BLK WIRE COAX COAX OG COAX RD COMPUTER DATA LINES SYSTEM DRIVER REAR VIEW INFORMATION CAMERA ENGINE WIRING HARNESS JUNCTION BLOCK GRN/BLK WIRE GRY WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LOGIC LVDS LVDS BK LVDS GY MULTI-FUNCTION POWER SUPPLY CONVERTER RADIO RADIO CONTROL RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE STEERING WHEEL AIR BAG COIL USB USB BK VIO/YEL WIRE

AUTOMATIC TRANSMISSION ASSEMBLY BATTERY POSITIVE VOLT BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/WHT WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/YEL WIRE BODY CONTROL MODULE BRAKE PEDAL POSITION SENSOR BRK APPLY SENS CTRL BRK APPLY SENS LOW REF BRK APPLY SENS SIG BRK POS SENS SIG CAN BUS (+) 3 SERIAL DATA CAN BUS (-) 2 SERIAL DATA CAN BUS (-) SERIAL DATA CAN BUS (-) SERIAL DATA BATT + VOLT COMPUTER DATA LINES SYSTEM ENG CTRL MODULE LIN BUS 1 ENG POS SENS LOW REF 2 ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) GEAR SHIFT CONTROL MODULE GRN/VIO WIRE GRY/BRN WIRE HOT AT ALL TIMES HOT W/ BATTERY SAVER RELAY 1 ENERGIZED HOT W/ IGNITION MAIN RELAY 1 ENERGIZED INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LEFT FRONT STRUT TOWER) NCA WIRE PARK INHIBIT SOLENOID ASSEMBLY CONTROL POWERTRAIN SENS BUS ENABLE RED/GRY WIRE RED/WHT WIRE RUN/CRANK IGN 1 VOLT SIG GND TOP OF TRANSMISSION) TRANSMISSION CONTROL MODULE TRANSMISSION HIGH SIDE DRIVER 2 CONTROL TRANSMISSION PARK VALVE LOCK SOLENOID ACTUATOR VIO/BLK WIRE VIO/GRN WIRE VIO/WHT WIRE WHT WIRE WHT/GRN WIRE WHT/RED 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