Buick Envista I (2022-2024) (top of battery) Wiring diagrams

ACCESSORY WAKE UP SERIAL DATA BATTERY FUSE BLOCK BATTERY POSITIVE VOLTAGE BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/VIO WIRE BLU/YEL WIRE BRAKE FLUID LEVEL SENSOR BRAKE FLUID LEVEL SIG BRAKE MASTER CYLINDER) BRAKE PRESSURE MODULATOR BRAKE SYSTEM CONTROL MODULE BRN WIRE COMPUTER DATA LINES SYSTEM GRN/GRY WIRE GRN/VIO WIRE GROUND GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/RED WIRE GRY/WHT WIRE GRY/YEL WIRE HIGH SPEED GMLAN SERIAL DATA (-) (1) HIGH SPEED GMLAN SERIAL DATA (-) (2) HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED LEFT FRONT WHEEL SPEED SENSOR LEFT FRONT WHEEL SPEED SENSOR CONTROL LEFT FRONT WHEEL SPEED SENSOR SIG LEFT PARK BRAKE ACTUATOR LEFT PARK BRAKE MOTOR APPLY CONTROL LEFT PARK BRAKE MOTOR LOW REFERENCE LEFT REAR WHEEL SPEED SENSOR LEFT REAR WHEEL SPEED SENSOR CONTROL LEFT REAR WHEEL SPEED SENSOR SIG NCA WIRE PARK BRAKE APPLY SW SIG PARK BRAKE APPLY SW VOLTAGE REFERENCE PARK BRAKE RELEASE SW SIG PARK BRAKE RELEASE SW VOLTAGE REFERENCE PARK BRAKE SW SIG PARK BRAKE SW SPLY VOLT RED/GRY WIRE RED/YEL WIRE RIGHT FRONT WHEEL SPEED SENSOR RIGHT FRONT WHEEL SPEED SENSOR CONTROL RIGHT FRONT WHEEL SPEED SENSOR SIG RIGHT PARK BRAKE ACTUATOR RIGHT PARK BRAKE MOTOR APPLY CONTROL RIGHT PARK BRAKE MOTOR LOW REFERENCE RIGHT REAR WHEEL SPEED SENSOR RIGHT REAR WHEEL SPEED SENSOR CONTROL RIGHT REAR WHEEL SPEED SENSOR SIG RUN/CRANK IGNITION 1 VOLTAGE UNDERHOOD FUSE BLOCK VIO WIRE VIO/GRY WIRE VIO/YEL WIRE WHT WIRE YEL WIRE YEL/RED WIRE

A/C IND ACCESSORY WAKEUP AMBIENT LIGHT SENS SIG AMBIENT LIGHT/SUNLOAD SENSOR (TOP CENTER OF DASH) BATT POS VOLT BATTERY FUSE BLOCK BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLU/GRY WIRE BLU/WHT WIRE BODY CONTROL MODULE (BELOW CENTER OF DASH) COMMUNICATION ENABLE COMPUTER DATA LINES SYSTEM COOLING FAN MOTOR (BEHIND RADIATOR) DISPLAY SIG + DRIVER INFORMATION CENTER DISPLAY ENGINE COOLANT TEMPERATURE GAUGE ENGINE COOLANT TEMPERATURE IND ETHERNET BUS 4 (-) GRN WIRE GRN/YEL WIRE GRY WIRE GRY/WHT WIRE HOT AT ALL TIMES INFOTAINMENT INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LOGIC LVDS RADIO RED/BLU WIRE RED/BRN WIRE RED/WHT WIRE SECURITY IND CTRL SERIAL DATA SIG GND UNDERHOOD FUSE BLOCK VIO/YEL WIRE WHT/BLU WIRE YEL WIRE

BATT POS VOLT BATTERY BATTERY FUSE BLOCK BATTERY SENSOR MODULE BLK WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (BELOW CENTER OF DASH) BRN WIRE CHARGE IND CHARGE IND CTRL COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENG CTRL MODULE LIN BUS 1 ENGINE CONTROL MODULE GENERATOR GENERATOR FIELD DUTY CYCLE SIG GRN WIRE GRN/VIO WIRE GRY WIRE HIGH SPEED GMLAN SERIAL DATA (-) (1) HOT W/ BATTERY SAVER RELAY 1 ENERGIZED HOT W/ IGNITION MAIN RELAY ENERGIZED INFOTAINMENT DISPLAY SIG INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LOGIC LOW SPEED GMLAN SERIAL DATA (+) 1 LVDS BK RED/BRN WIRE RED/WHT WIRE RED/YEL WIRE RUN/CRANK IGN 1 VOLT SIG GND STARTER MOTOR UNDERHOOD FUSE BLOCK VIO WIRE VIO/GRY WIRE WHT WIRE

AMBIENT AIR TEMPERATURE SENSOR BATTERY BATTERY FUSE BLOCK BLK/BLU WIRE BLK/WHT WIRE BLU/GRY WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM COOLING FAN HIGH SPEED RELAY COOLING FAN LOW SPEED RELAY COOLING FAN MEDIUM SPEED RELAY DISPLAY SIG + DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROLS IGNITION RELAY ENGINE COOLANT TEMPERATURE GAUGE ENGINE COOLANT TEMPERATURE IND ETHERNET BUS 4 (-) GRN/VIO WIRE GRY WIRE GRY/WHT WIRE HOT AT ALL TIMES INFOTAINMENT INSTRUMENT CLUSTER LOGIC LVDS RADIO RED/BRN WIRE RED/WHT WIRE SIG GND UNDERHOOD FUSE BLOCK VOLT WHT/BLK WIRE WHT/BLU WIRE YEL WIRE

BATTERY FUSE BLOCK BLK WIRE BRN/VIO WIRE BRN/YEL WIRE CENTER HIGH MOUNTED STOP LAMP RADIO AM ANTENNA SIGNAL FILTER MODULE DRIVER OUTSIDE REAR VIEW MIRROR GLASS DRIVER OUTSIDE REAR- VIEW MIRROR GRN/YEL WIRE HOT AT ALL TIMES HVAC CONTROL MODULE HVAC CONTROLS HVAC CTRL MODULE LIN BUS 1 LOGIC PASSENGER OUTSIDE REAR VIEW MIRROR PASSENGER OUTSIDE REAR VIEW MIRROR GLASS REAR DEFOG RLY CTRL REAR DEFOGGER GRID REAR DEFOGGER IND REAR DEFOGGER RELAY REAR DEFOGGER SWITCH RED/WHT WIRE UNDERHOOD FUSE BLOCK

BATTERY FUSE BLOCK BATTERY POSITIVE VOLT BK LVDS INFOTAINMENT DISPLAY SIG BLK WIRE BLU WIRE BLU/YEL WIRE COMPUTER DATA LINES SYSTEM DISPLAY SIG + DRIVER INFORMATION CENTER DISPLAY GRY/GRN WIRE HIGH SPEED GMLAN SERIAL DATA (-) (1) HIGH SPEED GMLAN SERIAL DATA (-) (2) HOT AT ALL TIMES INFOTAINMENT INSTRUMENT CLUSTER LOGIC LOW SPEED GMLAN LVDS POWER STEERING CONTROL MODULE (LEFT OF STEERING COLUMN) RADIO RED/GRN WIRE SERIAL DATA 2 SERIAL DATA COMMUNICATION ENABLE WHT WIRE WHT/BLU WIRE

BATTERY FUSE BLOCK BLK WIRE BODY CONTROL MODULE BRN WIRE BRN/WHT WIRE GRN/WHT WIRE GRY WIRE HORN HORN RELAY HORN RLY CTRL HORN SW SIG HORN SWITCH HOT AT ALL TIMES RED/WHT WIRE STEERING WHEEL AIR BAG COIL UNDERHOOD FUSE BLOCK WHT WIRE

BATT POS VOLT BATTERY FUSE BLOCK BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/VIO WIRE BRAKE MASTER CYLINDER (LEFT REAR OF ENGINE COMPT) BRAKE SYSTEM CONTROL MODULE BRN WIRE COMPUTER DATA LINES SYSTEM DISPLAY SIG BK ETHERNET BUS 4 (-) GRN/VIO WIRE GROUND GRY WIRE GRY/BLK WIRE GRY/RED WIRE GRY/WHT WIRE HI SPD GMLAN SER DATA (+) 1 HOT AT ALL TIMES HOT W/ BATTERY SAVER RELAY 1 ENERGIZED INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LEFT PARK BRAKE ACTUATOR LOGIC LT PARK BRK MTR APPLY CTRL LT PARK BRK MTR LOW REF LVDS LVDS BK DISPLAY SIG PARK BRAKE CONTROL SWITCH PARK BRK APPLY SW SIG PARK BRK APPLY SW VOLT REF PARK BRK RELEASE SW SIG PARK BRK RELEASE SW VOLT REF PARK BRK SW SIG PARK BRK SW SPLY VOLT PARKING BRAKE IND. R PARK BRK MTR LOW REF R PRK BRAKE MTR APPLY CTRL RADIO RED/BRN WIRE RED/GRY WIRE RIGHT PARK BRAKE ACTUATOR SERVICE PARK BRAKE IND WHT WIRE YEL WIRE YEL/RED WIRE

BATTERY BATTERY FUSE BLOCK BATTERY SENSOR MODULE BLK WIRE BLU/BLK WIRE CHARGING CIRCUIT COMPUTER DATA LINES SYSTEM FUEL PUMP DRIVER CONTROL MODULE HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER (UNDER LEFT SIDE OF DASH) RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE STARTER MOTOR STARTER RELAY UNDERHOOD FUSE BLOCK VIO/GRN WIRE WHT WIRE YEL WIRE YEL/BLK WIRE

BATT POS VOLT BATTERY FUSE BLOCK BK DISPLAY SIGNAL BLK WIRE BLK/ORG WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/VIO WIRE BRAKE FLUID LEVEL SIG BRAKE FLUID LEVEL SWITCH BRAKE IND BRAKE MASTER CYLINDER) BRAKE SYSTEM CONTROL MODULE BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY DRIVER SEAT BELT BUCKLE DRIVER SEAT BELT SWITCH DRV SEAT BELT SW LO REF DRV SEAT BELT SW SIG ETHERNET BUS 4 (-) GRN WIRE GRN/GRY WIRE GRY WIRE GRY/RED WIRE GRY/WHT WIRE HIGH SPEED GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE INSTRUMENT CLUSTER LO SPD GMLAN SERIAL ATA LOGIC LVDS ORG/BRN WIRE ORG/VIO WIRE PARK BRAKE APPLY SW SIG PARK BRAKE APPLY SW VOLT REF PARK BRAKE CONTROL SWITCH PARK BRAKE IND PARK BRAKE RELEASE SW SIG PARK BRAKE RELEASE SW VOLT REF PARK BRAKE SW SIG PARK BRAKE SW SUPPLY VOLT PARKING BRAKE SWITCH PASS SEAT BELT SW LO REF PASS SEAT BELT SW SIG PASSENGER SEAT BELT BUCKLE PASSENGER SEAT BELT SWITCH RADIO RED/GRY WIRE SEAT BELT IND WHT WIRE YEL WIRE YEL/RED WIRE