Buick Regal VI (2017-2020) power distribution system Wiring diagrams

AFL IND AUTO HEADLAMP LEVELING FUSE AUTOMATIC LEVEL CTRL POS AUTOMATIC LEVEL CTRL POS SENS LOW REF BATTERY POSITIVE VOLTAGE BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BRN WIRE BRN/WHT WIRE CAN BUS HI 3 CAN BUS HI SER DATA CAN BUS LO 3 CAN BUS LO SER DATA COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY FRONT AXLE LEVEL SENS FRONT AXLE LEVEL SENS LOW REF FRONT SUSPENSION HEIGHT SENSOR GMLAN SERIAL DATA - 1 GROUND GROUND DISTRIBUTION SYSTEM GRY/GRN WIRE HEADLAMP CONTROL MODULE (LEFT SIDE OF DASH) HEADLAMP LEVELING FUSE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT CLUSTER LEFT HEADLAMP ASSEMBLY LEFT HEADLAMP CONTROL MODULE LEFT HEADLAMP LEVELING ACTUATOR LOGIC LOW SPD GMLAN SER DATA 2 POWER DISTRIBUTION SYSTEM REAR SUSPENSION HEIGHT SENSOR RED/YEL WIRE RIGHT HEADLAMP ASSEMBLY RIGHT HEADLAMP CONTROL MODULE RIGHT HEADLAMP LEVELING ACTUATOR RIGHT SIDE OF RADIATOR) SENS SIG SERIAL DATA COMMUNICATION ENABLE UNDERHOOD FUSE BLOCK VIO/BLK WIRE W/ 4-LINK REAR AXLE W/ 5-LINK REAR AXLE W/O CONTINUOUSLY VARIABLE REAL TIME DAMPING WHT WIRE WHT/BLU WIRE WHT/RED WIRE

BLK WIRE BLK/BLU WIRE BLU/GRN WIRE BLU/VIO WIRE BLU/YEL WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DRIVER SEAT BOLSTER MEMORY CONTROL MODULE DRIVER SEAT FRONT VERTICAL MOTOR DRIVER SEAT HORIZONTAL MOTOR DRIVER SEAT LUMBAR/ BOLSTER PUMP DRIVER SEAT MEMORY CONTROL MODULE DRIVER SEAT MEMORY SWITCH DRIVER SEAT REAR VERTICAL MOTOR DRIVER SEAT RECLINE MOTOR EXIT SWITCH FRONT VERTICAL MTR DWN CTRL FRONT VERTICAL MTR UP CTRL GRN WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/GRN WIRE HORIZONTAL MTR FORWARD CTRL HORIZONTAL MTR REARWARD CTRL HOT AT ALL TIMES LOGIC MEMORY 1 SWITCH MEMORY 2 SWITCH NCA WIRE POWER DISTRIBUTION SYSTEM REAR VERTICAL MTR DOWN CTRL REAR VERTICAL MTR UP CTRL RECLINE MTR FORWARD CTRL RECLINE MTR REARWARD CTRL RED/GRN WIRE SEAT LUMBAR FUSE SET SWITCH UNDERHOOD FUSE BLOCK WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE YEL/BLU WIRE

BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLU WIRE BLU/BLK WIRE BLU/VIO WIRE BLU/WHT WIRE BRAKE FLUID LEVEL SWITCH BRK FLUID LEVEL SENS SIG BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DRIVER DOOR LATCH ASSEMBLY DRIVER WINDOW MOTOR ELECTRONIC BRAKE CONTROL MODULE (LEFT REAR OF ENGINE COMPT) FUEL PUMP DRIVER CONTROL MODULE FUEL PUMP, LEVEL SENSOR ASSEMBLY FUSE 10 FUSE 39 GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/RED WIRE HI SPD GMLAN SER DATA (+) 1 HI SPD GMLAN SERIAL DATA (-) (1) HOT W/ BATTERY SAVER RELAY 1 ENERGIZED INSTRUMENT PANEL FUSE BLOCK LF DR AJAR SW SIG LIN SERIAL DATA BUS 3 LIN SERIAL DATA BUS 4 LOGIC LOW REF LOW REF 2 PARK BRAKE CONTROL SWITCH (NEXT TO SHIFT LEVER ASSEMBLY) 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 SUPPLY VOLT PASSENGER DOOR LATCH ASSEMBLY PASSENGER WINDOW MOTOR POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER PRIMARY FUEL LEVEL SENSOR RED/BLU WIRE RED/GRN WIRE RF DR AJAR SW SIG RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR WINDOW SWITCH RR DR AJAR SW SIG RUN/CRANK IGN 1 VOLT SECONDARY FUEL LEVEL SENSOR SENSOR SIGNAL SERIAL DATA SERIAL DATA (-) 7 VIO/GRY WIRE VIO/YEL WIRE W/ HEAD-UP DISPLAY W/O HEAD-UP DISPLAY WHT WIRE YEL WIRE YEL/RED WIRE

BATTERY POSITIVE VOLTAGE BLK WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BODY CONTROL MODULE (LOWER CENTER OF DASH) BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY FUSE 20 GRN WIRE GRN/YEL WIRE GRY WIRE GRY/GRN WIRE GRY/YEL WIRE HATCHBACK HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LEFT LICENSE PLATE LAMP LIFT GLASS/REAR COMPT LID MTR RELEASE CTRL LIFTGATE AJAR SWITCH SIGNAL 1 LIFTGATE HANDLE SWITCH LIFTGATE LATCH ASSEMBLY LIFTGATE UNLATCH RELAY LOGIC LOW SPEED GMLAN SERIAL DATA POWER DISTRIBUTION SYSTEM REAR CLOSURE FUSE REAR CLOSURE HANDLE SW OPEN SIG RED WIRE RED/BRN WIRE RIGHT LICENSE PLATE LAMP SERIAL DATA UNDERHOOD FUSE BLOCK VIO/GRY WIRE VIO/WHT WIRE WAGON WHT WIRE YEL WIRE YEL/BLU WIRE

2.0L TURBO 3.6L AM/FM AUXILIARY AUDIO COMMON SIG AUXILIARY AUDIO SCREEN 2 AUXILIARY DETECTION SIG BAT POS VOLT BATT POSITIVE VOLT BATTERY FUSE BLOCK BLK WIRE BLK/GRY WIRE BLU WIRE BLU/BLK WIRE BRN WIRE CAMERA SIG 2 COAX COAX BK COAX CU COAX YE DISPLAY SIG COAX WH COOLING FAN/ DC DC CONVERTER 2 FUSE CTRL DIMMING DOWN FUSE 10 FUSE 31 FUSE 35 FUSE 39 FUSE 42 FUSE 5 GRN WIRE GRN/BLK WIRE GROUND GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/BRN WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ BATTERY SAVER RELAY 1 ENERGIZED INDICATOR INFOTAINMENT REGULATED CTRL INSTRUMENT PANEL FUSE BLOCK LADDER SIG 1 LEFT LEFT AUXILIARY AUDIO SIG 2 LEFT STEERING WHEEL CONTROLS SWITCH LOGIC RIGHT STEERING WHEEL CONTROLS SWITCH LR SPEAKER SIG (-) MICROPHONE (-) LOW REF MICROPHONE SIG MUTE NAVIGATION SYSTEM NAVIGATION SYSTEM (REAR VIEW CAMERA CIRCUIT) NCA WIRE POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER (REAR OF CENTER FLOOR CONSOLE) RADIO REAR VIEW CAMERA CIRCUIT RED WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RESISTOR RIGHT RIGHT AUXILIARY AUDIO SIG 2 SEATS SYSTEM SEEK DOWN SEEK UP SEL STEERING WHEEL AIR BAG COIL STEERING WHEEL) UNDERHOOD FUSE BLOCK VIO WIRE VIO/YEL WIRE VOICE RECOGNITION AUDIO REF VOICE RECOGNITION AUDIO SIG VOL (-) W/ HEAD UP DISPLAY W/O HEAD-UP DISPLAY WHT/BLK WIRE WHT/BLU WIRE

2.0L TURBO 3.6L AM/FM AUXILIARY AUDIO COMMON SIG AUXILIARY AUDIO SCREEN 2 AUXILIARY DETECTION SIG BAT POS VOLT BATT POSITIVE VOLT BATTERY FUSE BLOCK BLK WIRE BLK/GRY WIRE BLU WIRE BLU/BLK WIRE BRN WIRE CAMERA SIG 2 COAX COAX BK COAX CU COAX YE DISPLAY SIG COAX WH COOLING FAN/ DC DC CONVERTER 2 FUSE CTRL DIMMING DOWN FUSE 10 FUSE 16 FUSE 31 FUSE 35 FUSE 39 FUSE 42 FUSE 5 GRN WIRE GROUND GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/BRN WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ BATTERY SAVER RELAY 1 ENERGIZED INDICATOR INFOTAINMENT REGULATED CTRL INSTRUMENT PANEL FUSE BLOCK LADDER SIG 1 LEFT LEFT AUXILIARY AUDIO SIG 2 LEFT STEERING WHEEL CONTROLS SWITCH LOGIC RIGHT STEERING WHEEL CONTROLS SWITCH MICROPHONE (-) LOW REF MICROPHONE SIG MUTE NAVIGATION SYSTEM NAVIGATION SYSTEM (REAR VIEW CAMERA CIRCUIT) NCA WIRE POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER (REAR OF CENTER FLOOR CONSOLE) RADIO REAR VIEW CAMERA CIRCUIT RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/VIO WIRE RESISTOR RIGHT AUXILIARY AUDIO SIG 2 SEATS SYSTEM SEEK DOWN SEEK UP SEL RIGHT STEERING WHEEL AIR BAG COIL STEERING WHEEL) UNDERHOOD FUSE BLOCK VIO WIRE VIO/YEL WIRE VOICE RECOGNITION AUDIO REF VOICE RECOGNITION AUDIO SIG VOL (-) W/O HEAD-UP DISPLAY W/ HEAD-UP DISPLAY WHT/BLK WIRE WHT/BLU WIRE

2.0L TURBO 3.6L AUXILIARY AUDIO COMMON SIG AUXILIARY AUDIO SCREEN 2 AUXILIARY DETECTION SIG BAT POS VOLT BATT POSITIVE VOLT BATTERY FUSE BLOCK BLK WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BRN WIRE BRN/BLU WIRE BRN/VIO WIRE BRN/WHT WIRE CELLULAR VOICE LO REF CELLULAR VOICE SIG COAX COAX BK COAX CU XM COAX WH COMPUTER DATA LINES SYSTEM COOLING FAN/ DC DC CONVERTER 2 FUSE CTRL DIMMING FUSE 10 FUSE 16 FUSE 20 FUSE 31 FUSE 35 FUSE 39 FUSE 42 FUSE 5 GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/YEL WIRE GROUND GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/BRN WIRE GRY/GRN WIRE HOT AT ALL TIMES HOT W/ BATTERY SAVER RELAY 1 ENERGIZED INDICATOR INFOTAINMENT REGULATED CTRL INSTRUMENT PANEL FUSE BLOCK LADDER SIG 1 LEFT LEFT AUXILIARY AUDIO SIG 2 LEFT STEERING WHEEL CONTROLS SWITCH LF LOW LEVEL AUDIO REF LF LOW LEVEL AUDIO SIG LOGIC RIGHT STEERING WHEEL CONTROLS SWITCH LR LOW LEVEL AUDIO REF LR LOW LEVEL AUDIO SIG + MUTE NCA WIRE POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER (REAR OF CENTER FLOOR CONSOLE) RADIO RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/VIO WIRE RESISTOR RF LOW LEVEL AUDIO REF RF LOW LEVEL AUDIO SIG RIGHT RIGHT AUXILIARY AUDIO SIG 2 RR LOW LEVEL AUDIO REF RR LOW LEVEL AUDIO SIG + SEATS SYSTEM SEEK DOWN SEEK UP SEL SERIAL DATA BUS 10 LOW SPD GMLAN SERIAL DATA 2 STEERING WHEEL AIR BAG COIL STEERING WHEEL) UNDERHOOD FUSE BLOCK UP DOWN VIO WIRE VOL (-) VOLT 2 W/ HEAD UP DISPLAY W/O HEAD-UP DISPLAY WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

2.0L TURBO 3.6L AUXILIARY AUDIO COMMON SIG AUXILIARY AUDIO SCREEN 2 AUXILIARY DETECTION SIG BAT POS VOLT BATT POSITIVE VOLT BATTERY FUSE BLOCK BLK WIRE BLK/YEL WIRE BLU WIRE BRN WIRE CELLULAR TELEPHONE LO REF CELLULAR TELEPHONE SIG COAX COAX BK COAX CU XM COAX WH COMPUTER DATA LINES SYSTEM COOLING FAN/ DC DC CONVERTER 2 FUSE CTRL DIMMING DOWN FUSE 10 FUSE 16 FUSE 20 FUSE 31 FUSE 35 FUSE 39 FUSE 42 FUSE 5 GRN WIRE GRN/BLU WIRE GROUND GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/BRN WIRE GRY/GRN WIRE HOT AT ALL TIMES HOT W/ BATTERY SAVER RELAY 1 ENERGIZED INDICATOR INFOTAINMENT REGULATED CTRL INSTRUMENT PANEL FUSE BLOCK LADDER SIG 1 LEFT AUXILIARY AUDIO SIG 2 LEFT STEERING WHEEL CONTROLS SWITCH LOGIC RIGHT STEERING WHEEL CONTROLS SWITCH MUTE NCA WIRE POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER (REAR OF CENTER FLOOR CONSOLE) RADIO RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/VIO WIRE RESISTOR RIGHT RIGHT AUXILIARY AUDIO SIG 2 SEATS SYSTEM SEEK DOWN SEL SERIAL DATA BUS 10 LOW SPD GMLAN SERIAL DATA 2 STEERING WHEEL AIR BAG COIL STEERING WHEEL) UNDERHOOD FUSE BLOCK UP LEFT VIO WIRE VOL (-) VOL SEEK UP VOLT 2 W/ HEAD UP DISPLAY W/O HEAD-UP DISPLAY WHT/BLK WIRE YEL WIRE

BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/WHT WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM EXIT SWITCH FRONT VERTICAL MTR DOWN CTRL FRONT VERTICAL MTR UP CTRL GRN WIRE GRN/BLU WIRE GRN/VIO WIRE GRN/WHT WIRE HORIZONTAL MTR FORWARD CTRL HORIZONTAL MTR REARWARD CTRL HOT AT ALL TIMES LOGIC MEMORY 1 SWITCH MEMORY 2 SWITCH NCA WIRE PASSENGER SEAT BOLSTER MEMORY CONTROL MODULE PASSENGER SEAT FRONT VERTICAL MOTOR PASSENGER SEAT HORIZONTAL MOTOR PASSENGER SEAT LUMBAR/ BOLSTER PUMP PASSENGER SEAT MEMORY CONTROL MODULE PASSENGER SEAT MEMORY SWITCH PASSENGER SEAT REAR VERTICAL MOTOR PASSENGER SEAT RECLINE MOTOR POWER DISTRIBUTION SYSTEM REAR VERTICAL MTR DOWN CTRL REAR VERTICAL MTR UP CTRL RECLINE MTR FORWARD CTRL RECLINE MTR REARWARD CTRL RED/GRN WIRE SEAT LUMBAR FUSE SET SWITCH UNDERHOOD FUSE BLOCK WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL/BLU WIRE YEL/WHT WIRE

2.0L TURBO 2.0L TURBO 3.6L 3.6L 3.6L 3.6L ACC WAKEUP SER DATA AUTOMATIC TRANSMISSION ASSEMBLY AUTOMATIC TRANSMISSION ASSEMBLY (8 SPEED A/T) BATT POS VOLT BLK WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) ENGINE CONTROL MODULE/IGNITION FUSE ENGINE CONTROLS SYSTEM GMLAN SER DATA - (1) GRN/YEL WIRE HI SPD GMLAN SER DATA (+) 3 HIGH SPEED GMLAN SERIAL DATA (-) (1) HOT W/ IGNITION MAIN RELAY ENERGIZED IGN SW MODE CTRL BACKUP IMS MODE SW LO CTRL IMS MODE SW LO REF J132 (3.6L) J190 (2.0L TURBO) J165 (3.6L) LOGIC MALFUNCTION INDICATOR LAMP/ SHIFT SOLENOID FUSE NCA WIRE PARK/NEUTRAL SG 1 PARK/NEUTRAL SIG (1) POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER (REAR OF CENTER FLOOR CONSOLE) RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE RUN/CRANK IGN 1 VOLT SIG GND STARTER ENABLE RLY CTRL STARTER PINION SOL RLY CTRL TRANSMISSION CONTROL MODULE TRANSMISSION CONTROL MODULE (9 SPEED A/T) (LOWER ENGINE, NEAR TRANSMISSION) TRANSMISSION INTERNAL MODE SWITCH UNDERHOOD FUSE BLOCK VIO/GRN WIRE VIO/GRY WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRY WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/VIO WIRE