Buick Envista I (2022-2024) power supply transformer Wiring diagrams

ACCESSORY WAKEUP SERIAL DATA ANTI-THEFT SYSTEM BACKUP LAMP CTRL BATTERY BATTERY POSITIVE VOLT BATTERY POSITIVE VOLTAGE BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BRN WIRE BLU/VIO WIRE BLU/WHT WIRE BODY CONTROL MODULE (BELOW CENTER OF DASH) BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/WHT WIRE BRN/YEL WIRE CHARGE INDICATOR CTRL COMPUTER DATA LINES SYSTEM COURTESY LAMP SW SIG CRUISE CONTROL SYSTEM CRUISE/ETC/TCC BRAKE SIG DD LOCK SW UNLOCK SIG DOOR LOCKS, ANTI-THEFT SYSTEMS DR DOOR LOCK SW LOCK SIG DR LOCK ACTUATOR LOCK CTRL DR LOCK ACTUATOR LOCK CTRL 2 DR LOCK ACTUATOR UNLOCK CTRL ENDGATE LATCH RELAY COIL CTRL EXTERIOR LIGHTS, TRUNK, TAILGATE, FUEL DOORS SYSTEMS FAULT INDICATOR CTRL GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE HDLP HIGH BEAM CTRL HEADLIGHTS SYSTEM HI SPD GMLAN SERIAL DATA (-) (1) HI SPEED GMLAN SERIAL DATA (-) 1 HOOD STATUS B SIG HORN RLY CTRL HORNS SYSTEM HOT AT ALL TIMES IGN MODE SW CHALLENGE ACTIVE SIG INADVERTENT LOAD CTRL INSTRUMENT PANEL FUSE BLOCK INTERIOR LAMP CTRL LED BACK LIGHT DIMMING CTRL 1 LEFT FRONT DRL CTRL LEFT FRONT TURN SIG LAMP CTRL LEFT HEADLAMP LOW BEAM CTRL LEFT PARK LAMP CTRL LIFTGATE AJAR SW SIG 1 LIN BUS 1 LIN BUS 2 LIN BUS 3 LOGISTICS MODE RELAY CLOSE CTRL LOGISTICS MODE RELAY OPEN CTRL LR PARK LAMP CTRL LR TURN SIG LAMP CTRL 2 PARK LOCK SOLENOID CTRL PASS DR LOCK SW UNLOCK CTRL POSITIVE VOLT POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER REAR CLOSURE HANDLE SW OPEN SIG REAR COMPARTMENT COURTESY LAMP CTRL REAR LICENSE PLATE LAMP CTRL RED WIRE RED/BRN WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RETAINED ACCESSORY POWER CTRL RF DRL CTRL RF TURN SIG LAMP CTRL RF TURN SIG LAMP FEEDBACK SIG RIGHT HEADLAMP LOW BEAM CTRL RIGHT PARK LAMP CTRL RR PARK LAMP CTRL RR TURN SIG LAMP CTRL 2 RUN RELAY COIL CTRL RUN/CRANK RELAY COIL CTRL SERIAL DATA COMM ENABLE SHIFT INTERLOCK, TRANSMISSIONS SYSTEMS SIG GND SPLY VOLT 2 STOP LAMP RELAY COIL CTRL TRANSMISSIONS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM UNDERHOOD FUSE BLOCK VIO WIRE VIO/BLK WIRE VIO/BLU WIRE VIO/GRY WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/VIO WIRE WHT/YEL WIRE WINDSHIELD WASHER RELAY CTRL WINDSHIELD WIPER MTR PARK SW SIG WINDSHIELD WIPER MTR RLY COIL CTRL WINDSHIELD WIPER SW HIGH SIG WIPER/WASHER SYSTEM YEL WIRE YEL/BLU WIRE YEL/VIO WIRE

BACKUP LAMPS CIRCUIT BLK WIRE BLU/VIO WIRE BLU/WHT WIRE BRN/BLU WIRE BRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GROUND DISTRIBUTION SYSTEM GRY/BRN WIRE HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK LEFT FRONT TURN SIGNAL LAMP LEFT HEADLAMP ASSEMBLY LEFT PARK/DAYTIME RUNNING LAMP LEFT REAR TURN SIGNAL LAMP LOGIC NCA WIRE POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RIGHT BACKUP LAMP RIGHT OUTER TAIL LAMP RIGHT REAR SIDE MARKER LAMP RIGHT REAR TURN SIGNAL LAMP RIGHT TAIL LAMP ASSEMBLY VIO/BLK WIRE VIO/GRY WIRE VIO/WHT WIRE WHT/YEL WIRE YEL/BLU WIRE

2 WAY BLK WIRE BODY CONTROL MODULE DOME/ READING LAMPS DRIVER DOOR LATCH ASSEMBLY DRIVER DOOR LOCK SWITCH DRIVER EXTERIOR DOOR HANDLE ASSEMBLY DRIVER EXTERIOR DOOR HANDLE SWITCH DRIVER OUTSIDE REAR- VIEW MIRROR DRIVER SEAT ADJUSTER SWITCH DRIVER SEAT LUMBAR SUPPORT SWITCH DRIVER WINDOW SWITCH INSIDE REAR VIEW MIRROR INTERIOR LIFTGATE CONTROL INDICATOR LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR WINDOW SWITCH LEFT SUNSHADE MIRROR LAMP NCA WIRE PASSENGER AIR BAG DISABLED INDICATOR POWER SUPPLY TRANSFORMER RAIN/ AMBIENT LIGHT SENSOR MODULE RIGHT SUNSHADE MIRROR LAMP SUNROOF SWITCH SUNROOF TILT SWITCH TELEMATICS BUTTON ASSEMBLY TRANSMISSION SHIFT LEVER W/ ACTIVE SAFETY W/ AUTOMATIC LIFTGATE W/ MOISTURE SENSITIVE WINDSHIELD WIPER SYSTEM W/ REMOTE ENTRY W/ SUNROOF W/O MOISTURE SENSITIVE WINDSHIELD WIPER SYSTEM WHT WIRE WINDSHIELD FRONT VIEW CAMERA WINDSHIELD TEMPERATURE, INSIDE MOISTURE SENSOR

AUTO HIGH BEAM IND BK LVDS BLK WIRE BLU/BRN WIRE COMPUTER DATA LINES SYSTEM DISPLAY GRN WIRE GRY/BLU WIRE HIGH BEAM IND HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LEFT DAYTIME RUNNING LAMP, LEFT HEADLAMP ASSEMBLY LEFT HIGH BEAM HEADLAMP LEFT LOW BEAM HEADLAMP LOGIC LOW SPD GMLAN SERIAL DATA 2 NCA WIRE POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/YEL WIRE RIGHT DAYTIME RUNNING LAMP RIGHT HEADLAMP ASSEMBLY RIGHT HIGH BEAM HEADLAMP RIGHT LOW BEAM HEADLAMP YEL WIRE

BATT POS VOLT BK HEAD-UP DISPLAY SIG BLK WIRE BLU/WHT WIRE BODY CONTROL MODULE (BELOW CENTER OF DASH) COMPUTER DATA LINES SYSTEM DISPLAY ENDGATE LATCH RELAY COIL CTRL GRN WIRE GRN/YEL WIRE GROUND GRY/GRN WIRE GRY/YEL WIRE HOT AT ALL TIMES INFOTAINMENT DISPLAY SIG INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LIFTGATE AJAR SWITCH SIGNAL 1 LIFTGATE LATCH LIFTGATE UNLATCH RELAY LIFTGATE WINDOW/RR COMPARTMENT LID MTR UNLATCH CTRL LOGIC LOW SPEED GMLAN SERIAL DATA LVDS LVDS BK MULTI-FUNCTION CARRIER LICENSE PLATE LAMP POWER SUPPLY TRANSFORMER RADIO RADIO LIN BUS 1 RED/GRN WIRE RED/VIO WIRE RR CLOSURE HANDLE SWITCH OPEN SIGNAL RR LICENSE PLATE LAMP CTRL UNDERHOOD FUSE BLOCK VIO/GRY WIRE YEL WIRE YEL/BLU WIRE

BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLU/BLK WIRE BODY CONTROL MODULE COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE FROM INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 2 OF 5) FROM RETAINED ACCESSORY POWER RELAY (DIAGRAM 3 OF 5) FROM UNDERHOOD FUSE BLOCK (DIAGRAM 1 OF 5) FUEL PUMP DRIVER CONTROL MODULE GRN/VIO WIRE INSTRUMENT PANEL ACCESSORY POWER RECEPTACLE LOGIC POWER SUPPLY TRANSFORMER REAR CONSOLE CENTER USB RECEPTACLE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/YEL WIRE STARTING/CHARGING SYSTEM TO BATTERY SAVER RELAY 1 (DIAGRAM 3 OF 5) TO MOBILE DEVICE WIRELESS CHARGER MODULE (DIAGRAM 5 OF 5) VIO WIRE VIO/GRN WIRE WHT WIRE YEL WIRE YEL/BLK WIRE

3/4 BATT POS VOLT BATT POSITIVE VOLT BK HEAD-UP DISPLAY SIG BLK WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (BELOW CENTER OF DASH) BRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DISPLAY GRN WIRE GRN/BLK WIRE GRN/VIO WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/WHT WIRE HOT AT ALL TIMES ILL INFOTAINMENT DISPLAY SIG INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK INTERIOR LIFTGATE CONTROL SWITCH LIFTGATE CLOSE SWITCH LIFTGATE CONTROL MODULE (LEFT SIDE OF LUGGAGE COMPT) LIFTGATE LATCH ASSEMBLY LIFTGATE MOTOR ASSEMBLY LIFTGATE RELEASE, LIFTGATE OPEN SWITCH LIFTGATE WINDOW/REAR COMPARTMENT LID MTR UNLATCH CTRL LOGIC LOW REF LOW SPEED GMLAN SERIAL DATA LVDS MAX MTR CINCH CTRL MTR REL CTRL MULTI-FUNCTION CARRIER LICENSE PLATE LAMP NCA WIRE OFF POWER SUPPLY TRANSFORMER RADIO RADIO LIN BUS 1 RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RR CLOSURE ACTUATION ON/OFF SW SIG RR CLOSURE HNDL SW OPEN SIG RR CLOSURE LATCH PAWL STATUS SIG RR CLOSURE LATCH RATCHET STATUS RR CLOSURE LATCH UNLATCH STATUS RR CLOSURE MTR RELEASE CTRL RR CLOSURE OBJECT SENS LO REF RR CLOSURE OPEN SW SIG RR CLOSURE OPEN/CLOSE MTR CLOSE CTRL RR CLOSURE OPEN/CLOSE MTR OPEN CTRL RR CLOSURE OPEN/CLOSE SW SIG RR CLOSURE POSI SENS LO REF RR CLOSURE POSI SENS SIG 1 RR CLOSURE POSI SENS SIG 2 RR CLOSURE POSI SENS VOLT REF RR CLOSURE SW LED CTRL RR CLOSURE SW SIG SENS SIG 1 SENS SIG 2 SENS VOLT REF SIG GND WHT WIRE YEL WIRE YEL/BLU WIRE