Buick Envision II (2020-2024) signal ground Wiring diagrams

A/C COMPRESSOR CLUTCH RELAY CONTROL A/C REFRIGERANT PRESSURE SENSOR SIGNAL AMBIENT AIR TEMPERATURE SENSOR SIGNAL BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/YEL WIRE COMPUTER DATA LINES SYSTEM COOLANT DIVERTER VALVE ACTUATOR CONTROL CLOSE COOLANT DIVERTER VALVE ACTUATOR CONTROL OPEN COOLANT DIVERTER VALVE POSITION SIGNAL COOLANT TEMPERATURE SENSOR 2 SIGNAL ENGINE BLOCK COOLANT TEMPERATURE SIGNAL ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) ENGINE CONTROL MODULE LIN BUS 4 ENGINE CONTROL SENSORS 5 VOLT REF 1 ENGINE CONTROL SENSORS LOW REFERENCE 1 ENGINE CONTROL SENSORS LOW REFERENCE 2 ENGINE CONTROL VEHICLE SENSORS 5 VOLT REF 1 ENGINE CONTROL VEHICLE SENSORS LOW REF 1 ENGINE CONTROLS SYSTEM ENGINE COOLANT BYPASS VALVE ENGINE COOLANT FLOW CONTROL VALVE ENGINE COOLANT FLOW CONTROL VALVE BLOCK ENGINE COOLANT TEMPERATURE SENSOR 1 ENGINE COOLANT TEMPERATURE SENSOR 2 ENGINE COOLANT TEMPERATURE SENSOR 5 ENGINE INLET COOLANT TEMPERATURE SIGNAL ENGINE INTEGRATED EXHAUST MANIFOLD TEMPERATURE SIG ENGINE OUTLET COOLANT TEMPERATURE SIGNAL GRN WIRE GRN/BRN WIRE GRN/YEL WIRE GRY/VIO WIRE LEFT FRONT STRUT TOWER) LOGIC POWERTRAIN MAIN RELAY FUSED SUPPLY VOLTAGE 5 PVT SERIAL DATA POWERTRAIN CAN BUS (-) SERIAL DATA RED/GRY WIRE RED/YEL WIRE SIGNAL GROUND VIO WIRE VIO/BLU WIRE WHT WIRE WHT/GRY WIRE WHT/RED WIRE YEL/BLK WIRE YEL/BLU WIRE

BACKUP LAMP CTRL BATT POS VOLT BLK WIRE BLK/WHT WIRE BLU/YEL WIRE CAN BUS (+) 2 CAN BUS (-) 2 SERIAL DATA COMPUTER DATA LINES SYSTEM GRN/WHT WIRE HOT AT ALL TIMES INSIDE REAR VIEW MIRROR INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LEFT LIFTGATE REAR COMBINATION LAMP LIGHTING CONTROL MODULE LOGIC MID LEVEL LOW LEVEL NCA WIRE RADIO RED/BLU WIRE RED/YEL WIRE RIGHT LIFTGATE REAR COMBINATION LAMP SIGNAL GROUND TOP OF TRANSMISSION) TRANSMISSION CONTROL MODULE WHT WIRE

BATTERY POSITIVE VOLTAGE BLK WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE SYSTEM CONTROL MODULE BRAKE MASTER CYLINDER BRN WIRE CAN BUS (+) 1 CAN BUS (+) 2 CAN BUS (+) 3 SERIAL DATA CAN BUS (+) 4 SERIAL DATA CAN BUS (+) 5 SERIAL DATA CAN BUS (+) 6 SERIAL DATA CAN BUS (-) 1 SERIAL DATA CAN BUS (-) 2 SERIAL DATA CAN BUS (-) 7 SERIAL DATA CAN BUS (-) 8 SERIAL DATA DATA LINK CONNECTOR ETHERNET BUS 1 ENABLE SIG GRN WIRE GRN/BLK WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LIN BUS 1 ON/OFF VEHICLE SWITCH PARKING BRAKE CONTROL SWITCH PASS START SW 2 LOW REF PASSIVE START SWITCH SIG 2 POWER STEERING CONTROL MODULE RED/BLU WIRE RED/WHT WIRE RUN/CRANK RELAY COIL CTRL SIGNAL GROUND TOP OF TRANSMISSION) TRANSMISSION CONTROL MODULE VIO WIRE WHT WIRE WHT/GRY WIRE YEL WIRE YEL/WHT WIRE

BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLOCK ENGINE COOLANT FLOW CONTROL VALVE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/YEL WIRE COMPUTER DATA LINES SYSTEM COOLANT DIVERTER VALVE ACTUATOR CONTROL CLOSE COOLANT DIVERTER VALVE ACTUATOR CONTROL OPEN COOLANT DIVERTER VALVE POS SIG COOLANT TEMP SENS 2 SIG ENG BLOCK COOLANT TEMP SIG ENG CTRL MOD LIN BUS 1 ENG CTRL MOD LIN BUS 2 ENG CTRL SENS LO REF 1 ENG CTRL VEHICLE SENS 5 VOLT REF 1 ENG CTRL VEHICLE SENS LOW REF 1 ENG INLET COOLANT TEMP SIG ENG INTEGRATED EXHAUST MANIFOLD TEMP SIG ENG OUTLET COOLANT TEMP SIG ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) ENGINE CONTROLS SYSTEM ENGINE COOLANT BYPASS VALVE ENGINE COOLANT TEMPERATURE SENSOR 1 ENGINE COOLANT TEMPERATURE SENSOR 2 ENGINE COOLANT TEMPERATURE SENSOR 5 ENGINE COOLANT TEMPERATURE SENSOR 6 ENGINE CTRL SENS LOW REF 2 ENGINE WIRING HARNESS JUNCTION BLOCK GRN/BRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/VIO WIRE HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED LEFT FRONT STRUT TOWER) LOGIC RUN/CRANK IGN 1 VOLT SIGNAL GROUND VIO WIRE VIO/BLU WIRE VIO/WHT WIRE WHT/RED WIRE YEL/BLK WIRE YEL/BLU 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

A/C COMPRESSOR CLUTCH RELAY CONTROL A/C REFRIGERANT PRESSURE SENSOR SIGNAL AMBIENT AIR TEMPERATURE SENSOR SIGNAL BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/YEL WIRE COMPUTER DATA LINES SYSTEM COOLANT DIVERTER VALVE ACTUATOR CONTROL CLOSE COOLANT DIVERTER VALVE ACTUATOR CONTROL OPEN COOLANT DIVERTER VALVE POSITION SIGNAL COOLANT TEMPERATURE SENSOR 2 SIGNAL ENGINE BLOCK COOLANT TEMPERATURE SIGNAL ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) ENGINE CONTROL MODULE LIN BUS 4 ENGINE CONTROL SENSORS 5 VOLT REF 1 ENGINE CONTROL SENSORS LOW REFERENCE 1 ENGINE CONTROL SENSORS LOW REFERENCE 2 ENGINE CONTROL VEHICLE SENSORS 5 VOLT REF 1 ENGINE CONTROL VEHICLE SENSORS LOW REF 1 ENGINE CONTROLS SYSTEM ENGINE COOLANT BYPASS VALVE ENGINE COOLANT FLOW CONTROL VALVE ENGINE COOLANT FLOW CONTROL VALVE BLOCK ENGINE COOLANT TEMPERATURE SENSOR 1 ENGINE COOLANT TEMPERATURE SENSOR 2 ENGINE COOLANT TEMPERATURE SENSOR 5 ENGINE INLET COOLANT TEMPERATURE SIGNAL ENGINE INTEGRATED EXHAUST MANIFOLD TEMPERATURE SIG ENGINE OUTLET COOLANT TEMPERATURE SIGNAL GRN WIRE GRN/BRN WIRE GRN/YEL WIRE GRY/VIO WIRE LEFT FRONT STRUT TOWER) LOGIC POWERTRAIN MAIN RELAY FUSED SUPPLY VOLTAGE 5 PVT SERIAL DATA POWERTRAIN CAN BUS (-) SERIAL DATA RED/GRY WIRE RED/YEL WIRE SIGNAL GROUND VIO WIRE VIO/BLU WIRE WHT WIRE WHT/GRY WIRE WHT/RED WIRE YEL/BLK WIRE YEL/BLU WIRE

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

AUTOSAR CAN BUS (+) 2 SERIAL DATA AUTOSAR CAN BUS (-) 3 SERIAL DATA AUTOSAR CAN BUS (+) 3 SERIAL DATA BLK WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/YEL WIRE BODY CONTROL MODULE COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) ENGINE START/STOP ENGINE WIRING HARNESS JUNCTION BLOCK FLOOR CONSOLE ACCESSORY FUNCTION SWITCH GRN WIRE GRN/BLK WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGNITION MODE SWITCH MODE VOLTAGE INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LEFT FRONT STRUT TOWER) MULTI-FUNCTION POWER SUPPLY CONVERTER ON/OFF VEHICLE SWITCH PASSIVE START SWITCH 2 LOW REFERENCE PASSIVE START SWITCH SIGNAL 2 POWER DISTRIBUTION SYSTEM POWERTRAIN CAN BUS (-) 2 SERIAL DATA RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE RUN/CRANK IGNITION 1 VOLTAGE SERIAL DATA GATEWAY MODULE (CENTER OF DASH) SIGNAL GROUND STARTER ENABLE RELAY CONTROL STARTER PINION SOLENOID ACTUATOR RELAY CONTROL STOP/START INDICATOR CONTROL STOP/START SWITCH SIGNAL VIO/GRN WIRE VIO/WHT WIRE WHT WIRE YEL/BLK WIRE YEL/VIO WIRE