Buick Regal VI (2017-2020) blu Wiring diagrams

BLK WIRE BLK/GRN WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BRN WIRE BRN/BLU WIRE BRN/WHT WIRE CENTER INSTRUMENT PANEL SPEAKER DISPLAY SIGNAL (-) GRN WIRE GRN/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/VIO WIRE INFO DISPLAY MODULE KEYPAD RED LED CONTROL WIRE LEFT FRONT DOOR SPEAKER LEFT FRONT TWEETER SPEAKER LEFT REAR DOOR SPEAKER LVDS NAVIGATION DISPLAY DIMMING CONTROL NCA WIRE PASSENGER DOOR HARNESS) RADIO CONTROLS RADIO DISPLAY BACKLIGHT DIMMING CTRL RADIO DISPLAY BACKLIGHT LOW REFEREN RADIO DISPLAY TOUCH REQUEST SIG RADIO KEYPAD BUTTON SIG RADIO KEYPAD BUTTON SIGNAL RADIO KEYPAD DIMMING CONTROL RADIO KEYPAD DIMMING CTRL RADIO KEYPAD GROUND RETURN RADIO KEYPAD GROUND RTN RADIO KEYPAD LOW REF RADIO KEYPAD LOW REFERENCE RADIO KEYPAD POWER SIG RADIO KEYPAD POWER SIGNAL RADIO KEYPAD VOLTAGE REF RADIO KEYPAD VOLTAGE REFERENCE RADIO VOLUME DOWN SIG RADIO VOLUME DOWN SIGNAL RADIO VOLUME UP SIG RADIO VOLUME UP SIGNAL RIGHT FRONT DOOR SPEAKER RIGHT FRONT TWEETER SPEAKER RIGHT REAR DOOR SPEAKER VIO/WHT WIRE WHT WIRE YEL WIRE YEL/BLK WIRE

ACTIVE NOISE CANCELLATION MODULE BATT POSITIVE VOLT BLK WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE BRN/BLU WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COAX ENGINE CONTROL MODULE GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/VIO WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/YEL WIRE HATCHBACK LEFT FRONT RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE LEFT REAR RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE LF LO AUDIO (-) LO REF LF LO LEVEL AUDIO SIG LF SPEAKER (-) CTRL 1 LF SPEAKER SIG (-) 1 LR LO AUDIO (-) LO REF LR LO LEVEL AUDIO SIG LR SPEAKER (+) CTRL LR SPEAKER SIG (-) LR SUBWOOFER (-) LO REF LR SUBWOOFER CTRL (-) MICROPHONE 1 LOW REF MICROPHONE 1 SIG MICROPHONE 2 LOW REF MICROPHONE 2 SIG MICROPHONE 3 LOW REF MICROPHONE 3 SIG MICROPHONE 4 RTN MICROPHONE 4 SIG NCA WIRE PASSENGER DOOR HARNESS) REAR RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE RED/BLU WIRE RED/BRN WIRE RED/VIO WIRE REMOTE ENABLE SIG REPLICATED REPLICATED SIG RF LO AUDIO (-) LO REF RF LO LEVEL AUDIO SIG RF SPEAKER (-) CTRL 1 RF SPEAKER SIG (-) 1 RH SUBWOOFER (-) LO REF RH SUBWOOFER CTRL (-) RIGHT FRONT DOOR SPEAKER RIGHT FRONT RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE RIGHT FRONT TWEETER SPEAKER RIGHT REAR DOOR SPEAKER RIGHT REAR RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE RR LO AUDIO (-) LO REF RR LO LEVEL AUDIO SIG RR SPEAKER (+) CTRL RR SPEAKER SIG (-) SIG VIO WIRE VIO/BLU WIRE WAGON WHT WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE

AUXILIARY AUDIO INPUT BATT POS VOLT BLK WIRE BLK/GRY WIRE BLU WIRE BLU/GRN WIRE BRN/BLK WIRE BRN/GRN WIRE BUS 10 BUS 5 COAX COAX BN COMPUTER DATA LINES SYSTEM DATA 2 (+) DISPLAY DISPLAY SIG + ETHERNET BUS 4 (-) ETHERNET BUS 6 (-) ETHERNET BUS 7 (-) GMLAN SERIAL GMLAN SERIAL DATA (+) 9 GMLAN SERIAL DATA (-) 9 VOICE AUDIO SIG GPS/CELL 2 GRN WIRE GRN/BLU WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/WHT WIRE GRY/YEL WIRE INFO DISPLAY MODULE LOGIC LOW REF LVDS LVDS GY DISPLAY SIG NCA WIRE RADIO RADIO CONTROLS RED/BLU WIRE RED/VIO WIRE SERIAL DATA TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE (BEHIND LEFT SIDE OF DASH) USB USB BK USB BK USB SERIAL DATA VIO WIRE VOICE AUDIO REF WHT/GRN 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

AUDIO AMPLIFIER BATT POS VOLT BLK WIRE BLK/GRY WIRE BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/YEL WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/YEL WIRE COAX COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE ETHERNET BUS 6 (-) FC SPEAKER (-) LOW REF FC SPEAKER CTRL (+) GMLAN SERIAL DATA 2 GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/VIO WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/YEL WIRE HATCHBACK 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 LR SPEAKER SIG (-) MICROPHONE 1 LOW REF MICROPHONE 1 SIG MICROPHONE 2 LOW REF MICROPHONE 2 SIG MICROPHONE 3 LOW REF MICROPHONE 3 SIG MICROPHONE 4 RTN MICROPHONE 4 SIG NCA WIRE PASSENGER DOOR HARNESS) REAR RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE RED/BLU WIRE RED/BRN WIRE RED/VIO WIRE REPLICATED REPLICATED SIG RF SPEAKER (-) CTRL 1 RF SPEAKER SIG (-) 1 RIGHT FRONT DOOR SPEAKER RIGHT FRONT RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE RIGHT FRONT TWEETER SPEAKER RIGHT REAR DOOR SPEAKER RIGHT REAR RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE RR SPEAKER (+) CTRL RR SPEAKER SIG (-) SIG SPEAKER (-) LOW REF SPEAKER CTRL (+) VIO WIRE VIO/BLU WIRE WAGON WHT WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE YEL/WHT WIRE

1-BK 1-YE AM/FM AM/FM/DAB AUDIO LOW REF AUDIO SIG + BATT POS VOLT BK COAX AM/FM ANTENNA SIG BK LVDS INFOTAINMENT DISPLAY SIG BK USB USB SERIAL DATA BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BODY CONTROL MODULE (LOWER CENTER OF DASH) BRN WIRE BRN/BLU WIRE BRN/WHT WIRE CAMERA SIG 2 COAX COAX CU XM/HD COMM SIG COMPUTER DATA LINES SYSTEM DET SIG DIM SIG DISPLAY RESET SIG DOWN SIG DOWN UP FUSE 20 FUSE 35 FUSE 42 GMLAN SERIAL DATA GRN WIRE GRN/BLK WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/YEL WIRE HATCHBACK HI SPD GMLAN HOT AT ALL TIMES HOT W/ BATTERY SAVER RELAY 1 ENERGIZED INFORTAINMENT REGULATED CTRL INSTRUMENT PANEL FUSE BLOCK LCD DIMMING SIG LEFT RADIO ANTENNA AMPLIFIER LF SPEAKER (-) CTRL 1 LH RR SPEAKER CTRL (+) LH RR SPEAKER SIG (-) LT AUD SIG 2 LVDS NAVIGATION SYSTEM NCA WIRE ON SIG RADIO RADIO ANTENNA AMPLIFIER RADIO BACKLIGHT CTRL RADIO BACKLIGHT LOW REF REAR END SPOILER ANTENNA REAR ROOF ANTENNA REAR VIEW CAMERA CIRCUIT REAR WINDOW ANTENNA RED/BRN WIRE RED/VIO WIRE REQUEST SIG RESISTOR SIG 1 RF SPEAKER (-) CTRL 1 RF SPEAKER SIG (-) 1 RH RR SPEAKER (+) CTRL RH RR SPEAKER SIG (-) RT AUD SIG 2 SCREEN 2 SERIAL DATA (-) (1) STEERING WHEEL) SWITCH SIG 2 USB VIO WIRE VIO/WHT WIRE VOICE LOW VOICE SIG INFORTAINMENT REGULATED CTRL WAGON WHT WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE

1-BN 2-BN AUDIO SIG + BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BRN WIRE BRN/BLU WIRE BRN/WHT WIRE CELL PHONE SIG CELLULAR PHONE MICROPHONE COAX COMPUTER DATA LINES SYSTEM GPS/CELL SIG GRN WIRE GRN/BLK WIRE GRN/GRY WIRE GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/VIO WIRE GRY/YEL WIRE LOW REF LVDS MICROPHONE SIG MUTE NCA WIRE RED WIRE RED/VIO WIRE RIGHT STEERING WHEEL CONTROLS SWITCH (ONE COLOR GRAPHIC) SEEK DOWN SEEK UP SER DATA (+) 9 SOURCE STEERING WHEEL AIR BAG COIL TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE USB VIO WIRE VIO/WHT WIRE VOICE VOICE LOW REF VOICE SIGNAL VOLUME DOWN VOLUME UP WHT WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE

ACTIVE NOISE CANCELLATION MODULE BATT POSITIVE VOLT BLK WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE BRN/BLU WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COAX ENGINE CONTROL MODULE GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/VIO WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE HATCHBACK LEFT FRONT RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE LEFT REAR RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE LF LO AUDIO (-) LO REF LF LO LEVEL AUDIO SIG LF SPEAKER (-) CTRL 1 LF SPEAKER SIG (-) 1 LR LO AUDIO (-) LO REF LR LO LEVEL AUDIO SIG LR SPEAKER (+) CTRL LR SPEAKER SIG (-) LR SUBWOOFER (-) LO REF LR SUBWOOFER CTRL (-) MICROPHONE 1 LOW REF MICROPHONE 1 SIG MICROPHONE 2 LOW REF MICROPHONE 2 SIG MICROPHONE 3 LOW REF MICROPHONE 3 SIG MICROPHONE 4 RTN MICROPHONE 4 SIG NCA WIRE PASSENGER DOOR HARNESS) REAR RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE RED/BLU WIRE RED/BRN WIRE RED/VIO WIRE REMOTE ENABLE SIG REPLICATED SIG RF LO AUDIO (-) LO REF RF LO LEVEL AUDIO SIG RF SPEAKER (-) CTRL 1 RF SPEAKER SIG (-) 1 RH SUBWOOFER (-) LO REF RH SUBWOOFER CTRL (-) RIGHT FRONT DOOR SPEAKER RIGHT FRONT RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE RIGHT FRONT TWEETER SPEAKER RIGHT REAR DOOR SPEAKER RIGHT REAR RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE RR LO AUDIO (-) LO REF RR LO LEVEL AUDIO SIG RR SPEAKER (+) CTRL RR SPEAKER SIG (-) VIO WIRE VIO/BLU WIRE W/ NAVIGATION WAGON WHT WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE

AUXILIARY AUDIO INPUT BATT POS VOLT BK USB BK USB USB SERIAL DATA BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/GRN WIRE BN GPS/CELL BUS 10 BUS 5 CAMERA SIG 2 CELLULAR MICROPHONE SIG CELLULAR PHONE MICROPHONE COAX COAX BK GPS COAX VT CELL 1 COMMUNICATION ENABLE COMPUTER DATA LINES SYSTEM DATA DATA 2 (+) DISPLAY GMLAN SERIAL GMLAN SERIAL DATA (+) 9 GRN WIRE GRN/BLU WIRE GRN/WHT WIRE GRY WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/YEL WIRE HUMAN MACHINE INTERFACE CONTROL MODULE INFO DISPLAY MODULE INFO REGULATED CTRL LOGIC LOW REF LVDS LVDS BU USB SERIAL DATA MICROPHONE (-) LOW REF MOST CONTROL MOST CTRL MOST SERIAL DATA (+) NAVIGATION SYSTEM NCA WIRE RADIO RADIO CONTROLS REAR VIEW CAMERA CIRCUIT RECOGNITION AUDIO LOW REF RECOGNITION AUDIO SIG RED/BLU WIRE RED/VIO WIRE REF SERIAL DATA SERIAL DATA BUS 5 SIG TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE (BEHIND LEFT SIDE OF DASH) USB USB SERIAL VIO WIRE VOICE AUDIO LOW REF VOICE AUDIO SIG VOICE SIG W/ NAVIGATION WHT/BLU WIRE WHT/GRN WIRE WHT/VIO WIRE YEL WIRE

1-BK 1-YE 2-BK AM/FM AM/FM/DAB BATT POS VOLT BLK WIRE BLK/YEL WIRE BLU WIRE BODY CONTROL MODULE (LOWER CENTER OF DASH) BRN WIRE COAX COMPUTER DATA LINES SYSTEM GRN WIRE GRN/GRY WIRE GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/BRN WIRE HATCHBACK HATCHBACK/ WAGON HI SPD GMLAN 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 VOICE STEERING WHEEL AIR BAG COIL STEERING WHEEL) VIO WIRE VOLUME DOWN VOLUME UP WAGON WHT WIRE WHT/RED WIRE YEL WIRE