Buick Regal VI (2017-2020) fuse 20 Wiring diagrams

BLK WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/VIO WIRE BRN WIRE COMPUTER DATA LINES SYSTEM ELECTRONIC BRAKE CONTROL MODULE FUSE 20 FUSE 21 FUSE 22 FUSE 8 GRY/BLU WIRE GRY/RED WIRE HI SPD GMLAN SER DATA (+) 1 HI SPD GMLAN SER DATA (-) 1 HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK LEFT HEADLAMP ASSEMBLY LEFT HEADLAMP MULTI-FUNCTION LED LEFT HIGH BEAM HEADLAMP LEFT LOW BEAM HEADLAMP LOGIC PARK BRAKE APPLY SW SIG PARK BRAKE APPLY SW VOL REF PARK BRAKE RELEASE SW SIG PARK BRAKE RELEASE SW VOL REF PARK BRAKE SW SIG PARK BRAKE SW SPLY VOLT RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/WHT WIRE RIGHT HEADLAMP ASSEMBLY RIGHT HEADLAMP MULTI-FUNCTION LED RIGHT HIGH BEAM HEADLAMP RIGHT LOW BEAM HEADLAMP RIGHT SIDE OF RADIATOR) WHT WIRE YEL WIRE YEL/RED WIRE

BLK WIRE BLK/BRN WIRE BLU/BLK WIRE BLU/GRN WIRE CAN BUS LO 3 CAN BUS HI 3 CAN BUS LO SER DATA CAN BUS HI SER DATA FUSE 20 FUSE 22 GROUND DISTRIBUTION SYSTEM HEADLAMP CONTROL MODULE (LEFT SIDE OF DASH) HEADLAMP LEVELING FUSE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT PANEL FUSE BLOCK LEFT CORNERING LAMP LEFT CORNERING LAMP LED TEMPERATURE SENSOR LEFT HEADLAMP ASSEMBLY LEFT HEADLAMP CONTROL MODULE LEFT HEADLAMP COOLING FAN LEFT HEADLAMP HIGH BEAM LED TEMPERATURE SENSOR LEFT HEADLAMP LOW BEAM LED TEMPERATURE SENSOR LEFT HEADLAMP/CORNERING LAMP CONTROL MODULE LEFT HIGH BEAM INNER HEADLAMP LEFT HIGH BEAM OUTER HEADLAMP LEFT LOW BEAM/HIGH BEAM SPOT HEADLAMP LOGIC RED/BRN WIRE RED/WHT WIRE UNDERHOOD FUSE BLOCK VIO/BLK WIRE WHT WIRE WHT/BLU 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

1-BK 2-BK AM/FM BATT POS VOLT BLK WIRE BLK/GRY WIRE BLU WIRE BLU/BLK WIRE BODY CONTROL MODULE (LOWER CENTER OF DASH) BRN WIRE COAX COMPUTER DATA LINES SYSTEM FUSE 20 GRN WIRE GRN/BLK WIRE GRN/GRY WIRE GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/YEL WIRE HATCHBACK HATCHBACK COAX HI SPD GMLAN HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK LEFT RADIO ANTENNA AMPLIFIER MUTE RADIO ANTENNA AMPLIFIER REAR END SPOILER ANTENNA REAR WINDOW ANTENNA RED/BLU WIRE RED/BRN WIRE RED/VIO WIRE RESISTOR SIG 1 RIGHT RADIO ANTENNA AMPLIFIER RIGHT STEERING WHEEL CONTROLS SWITCH (ONE COLOR GRAPHIC) SEEK DOWN SEEK UP SERIAL DATA (-) (1) SOURCE STEERING WHEEL AIR BAG COIL STEERING WHEEL) VIO WIRE VIO/YEL WIRE VOICE VOLUME DOWN VOLUME UP WAGON WHT WIRE WHT/RED WIRE YEL WIRE

1-BK 2-BK AM/FM BATT POS VOLT BLK WIRE BLK/GRY WIRE BLU WIRE BLU/BLK WIRE BODY CONTROL MODULE (LOWER CENTER OF DASH) BRN WIRE COAX COMPUTER DATA LINES SYSTEM FUSE 20 GRN WIRE GRN/GRY WIRE GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/YEL WIRE HATCHBACK HI SPD GMLAN HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK LEFT RADIO ANTENNA AMPLIFIER MUTE RADIO ANTENNA AMPLIFIER REAR END SPOILER ANTENNA REAR WINDOW ANTENNA RED/BLU WIRE RED/BRN WIRE RED/VIO WIRE RESISTOR SIG 1 RIGHT RADIO ANTENNA AMPLIFIER RIGHT STEERING WHEEL CONTROLS SWITCH (ONE COLOR GRAPHIC) SEEK DOWN SEEK UP SERIAL DATA (-) (1) SOURCE STEERING WHEEL AIR BAG COIL STEERING WHEEL) VIO WIRE VIO/YEL WIRE VOICE VOLUME DOWN VOLUME UP WAGON WAGON COAX WHT WIRE WHT/RED WIRE YEL 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

1-BK 1-YE 2-BK AM/FM AM/FM/DAB BATT POS VOLT BLK WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BODY CONTROL MODULE (LOWER CENTER OF DASH) BRN WIRE BRN/BLU WIRE COAX COMPUTER DATA LINES SYSTEM FUSE 20 GRN WIRE GRN/BLK WIRE GRN/GRY WIRE GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/BRN WIRE HATCHBACK HATCHBACK/ WAGON HI SPD GMLAN HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK LEFT QUARTER WINDOW ANTENNA LEFT RADIO ANTENNA AMPLIFIER MUTE REAR END SPOILER ANTENNA REAR WINDOW ANTENNA RED/BLU WIRE RED/BRN WIRE RED/VIO WIRE RESISTOR SIG 1 RIGHT RADIO ANTENNA AMPLIFIER RIGHT STEERING WHEEL CONTROLS SWITCH (ONE COLOR GRAPHIC) SEEK DOWN SEEK UP SERIAL DATA (-) (1) SOURCE STEERING WHEEL AIR BAG COIL STEERING WHEEL) VIO WIRE VOICE VOLUME DOWN VOLUME UP WAGON WHT WIRE WHT/RED 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

BATT POS VOLT BLK/GRN WIRE BLK/GRY WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/YEL WIRE BODY CONTROL MODULE (LOWER CENTER OF DASH) BRN/BLU WIRE BRN/WHT WIRE BRN/YEL WIRE CAMERA SIGNAL 2 COMPUTER DATA LINES SYSTEM FUSE 20 GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/VIO WIRE GRY/YEL WIRE HATCHBACK HI SPD GMLAN HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK LEFT FRONT RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE LEFT REAR RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE LF SPEAKER (-) CTRL 1 LF SPEAKER SIG (-) 1 LR SPEAKER (+) CTRL LVDS NAVIGATION SYSTEM NOISE REDUCTION MICRO 1 LO REF NOISE REDUCTION MICRO 1 SIG NOISE REDUCTION MICRO 2 LO REF NOISE REDUCTION MICRO 2 SIG NOISE REDUCTION MICRO 3 LO REF NOISE REDUCTION MICRO 3 SIG NOISE REDUCTION MICRO 4 RTN NOISE REDUCTION MICRO 4 SIG RADIO REAR RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE REAR VIEW CAMERA CIRCUIT RED/BRN WIRE RED/VIO WIRE RESISTOR SIG 1 RF SPEAKER (-) CTRL 1 RF SPEAKER SIG (-) 1 RIGHT FRONT RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE RIGHT REAR RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE RR SPEAKER (+) CTRL RR SPEAKER SIG (-) SERIAL DATA (-) (1) STEERING WHEEL) USB VIO/BLU WIRE VIO/WHT WIRE VOICE RECOGNITION AUDIO LOW REF VOICE RECOGNITION AUDIO SIGNAL WAGON WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE

1-BK 2-BK AM/FM BATT POS VOLT BLK WIRE BLK/GRY WIRE BLU WIRE BLU/BLK WIRE BODY CONTROL MODULE (LOWER CENTER OF DASH) BRN WIRE BRN/VIO WIRE COAX COMPUTER DATA LINES SYSTEM FUSE 20 GRN WIRE GRN/GRY WIRE GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/YEL WIRE HATCHBACK HI SPD GMLAN HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK LEFT RADIO ANTENNA AMPLIFIER MUTE RADIO ANTENNA AMPLIFIER REAR END SPOILER ANTENNA REAR WINDOW ANTENNA RED/BLU WIRE RED/BRN WIRE RED/VIO WIRE RESISTOR SIG 1 RIGHT RADIO ANTENNA AMPLIFIER RIGHT STEERING WHEEL CONTROLS SWITCH (ONE COLOR GRAPHIC) SEEK DOWN SEEK UP SERIAL DATA (-) (1) SOURCE STEERING WHEEL AIR BAG COIL STEERING WHEEL) VIO WIRE VIO/YEL WIRE VOICE VOLUME DOWN VOLUME UP WAGON WAGON COAX WHT WIRE WHT/RED WIRE YEL WIRE