Buick Regal VI (2017-2020) blu/yel Wiring diagrams

ABS PUMP FUSE BATT POS VOLT BLK WIRE BLU WIRE BLU/BLK WIRE BLU/VIO WIRE BLU/YEL WIRE BRAKE FLUID LEVEL SWITCH BRAKE PRESSURE MODULATOR BRK FLUID LEVEL SENS SIG BRN WIRE COMPUTER DATA LINES SYSTEM ELECTRONIC BRAKE CONTROL MODULE (LEFT REAR OF ENGINE COMPT) FUSE 27 GRN/GRY WIRE GRN/VIO WIRE GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/RED WIRE GRY/WHT WIRE GRY/YEL WIRE HI SPD GMLAN SER DATA (+) 1 HI SPD GMLAN SER DATA (-) 2 HI SPD GMLAN SERIAL DATA (-) (1) HI SPD GMLAN SERIAL DATA (-) (2) HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK LEFT REAR WHEEL SPEED SENSOR LF WHEEL SPD SENS CTRL LF WHEEL SPD SENS SIG LR PARK BRK MTR APPLY CTRL GND LR PARK BRK MTR LO REF LR WHEEL SPD SENS CTRL NCA WIRE 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 RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RF WHEEL SPD SENS CTRL RF WHEEL SPD SENS SIG RIGHT FRONT WHEEL SPEED SENSOR RIGHT PARK BRAKE ACTUATOR RIGHT REAR WHEEL SPEED SENSOR RR PARK BRK MOTOR LO REF RR PARK BRK MTR APPLY CTRL RR WHEEL SPD SENS CTRL RR WHEEL SPD SENS SIG SERIAL DATA COMM ENABLE UNDERHOOD FUSE BLOCK VIO WIRE W/ LINK 4 REAR AXLE W/ LINK 5 REAR AXLE WHT WIRE WHT/BLU WIRE YEL WIRE YEL/BLU WIRE YEL/RED WIRE

2.0L TURBO 3.6L 2.0L TURBO W/ LINK 5 REAR AXLE ABS IND. BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/VIO WIRE BLU/YEL WIRE BRAKE BOOSTER VACUUM SENSOR BRAKE WARNING IND BRK APPLY BRK POS BRK VACUUM BRN WIRE COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENG CTRL SENS ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) ENGINE CONTROLS SYSTEM GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/RED WIRE GRY/WHT WIRE HI SPD GMLAN INSTRUMENT CLUSTER LEFT FRONT WHEEL SPEED SENSOR LEFT PARK BRAKE ACTUATOR LO REF 2 LOGIC NCA WIRE PARK BRAKE CONTROL SWITCH (NEXT TO SHIFT LEVER ASSEMBLY) PARK BRAKE IND SENS CTRL SENS LO REF SENS SIG SER DATA (-) (1) SERVICE PARK BRAKE IND SW SIG 1 SYSTEM TRACTION CONTROL IND TRACTION CONTROL SWITCH OFF IND TRACTION CONTROL SWITCH TRACTION CTRL WHT WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/RED WIRE YEL/VIO 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

ACTIVE SAFETY CONTROL MODULE ADAPTIVE CRUISE CTRL GAP UP/DOWN SW SIG ALERT LED CTRL BATT POSI VOLT BLK WIRE BLK/WHT WIRE BLU WIRE BLU/VIO WIRE BLU/YEL WIRE BODY CONTROL MODULE (LOWER CENTER OF DASH) CENTER CONSOLE MULTI-FUNCTION SWITCH COLLISION ALERT INDICATORS COMPUTER DATA LINES SYSTEM DIMMING CTRL FORWARD COLLISION ALERT (FCA) WARNING SWITCH FRONT OBJECT SENS CTRL 2 FRONT VIEW CAMERA MODULE FUSE 40 GMLAN SERIAL DATA GRN WIRE GRY WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/WHT WIRE GRY/YEL WIRE HI SPD GMLAN SERIAL DATA (+) 4 HI SPD GMLAN SERIAL DATA (-) (1) HI SPD GMLAN SERIAL DATA (-) (2) HOT W/ BATTERY SAVER RELAY 1 ENERGIZED HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK INSTRUMENT PANEL/ IGNITION FUSE LANE DEPARTURE WARNING DISABLE SW SIG LANE DEPARTURE WARNING DISABLE SWITCH LANE DEPARTURE WARNING IND LEFT STEERING WHEEL CONTROLS SWITCH LO SPD GMLAN SERIAL DATA LOGIC RED WIRE RED/GRN WIRE REFLECTED LED DISP DIMMING CTRL RES+ SET- SIG GND STEERING WHEEL AIR BAG COIL UNDERHOOD FUSE BLOCK VIO WIRE VIO/GRY WIRE W/O WINDSHIELD HEAD-UP DISPLAY WHT WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE

BATT POSITIVE VOLT BLK WIRE BLK/GRN WIRE BLU/YEL WIRE BRN/YEL WIRE COMMON CTRL COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM GRN/BLK WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES LH (-) RH (+) SIG LIN DATA BUS 8 LOGIC LOW REF MEMORY CONTROL MODULE FUSE NAVIGATION SYSTEM PASSENGER OUTSIDE REAR VIEW MIRROR PASSENGER OUTSIDE REAR VIEW MIRROR GLASS PASSENGER OUTSIDE REAR VIEW MIRROR MOTOR PASSENGER SIDE OBJECT DETECTION INDICATOR PASSENGER WINDOW SWITCH RED/BLU WIRE RH (+) LH (-) CTRL UNDERHOOD FUSE BLOCK UP (+) DOWN (-) CTRL UP DOWN SIG VIO/WHT WIRE WHT WIRE YEL/RED WIRE YEL/VIO 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

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

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

AUDIO AMPLIFIER BATT POS VOLT BLK WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/YEL WIRE BRN/BLU WIRE BRN/YEL WIRE COAX COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE 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/VIO 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 MOST CONTROL MOST SERIAL DATA (+) NCA WIRE PASSENGER DOOR HARNESS) REAR RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE RED/BLU WIRE RED/BRN WIRE RED/VIO WIRE 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 (-) SPEAKER (-) LOW REF SPEAKER CTRL (+) VIO WIRE VIO/BLU WIRE W/ NAVIGATION WAGON WHT WIRE WHT/GRN WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/WHT WIRE

3/4 AJAR SW SIG 1 AJAR SW SIG 2 AJAR SW SIG 3 BATT POS VOLT BLK WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY FACE SW SIG FUSE 22 FUSE 5 FUSE 8 GMLAN SERIAL GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/WHT WIRE HANDS-FREE LIFTGATE SENSOR CONTROL MODULE HOT AT ALL TIMES IN LUGGAGE COMPT) INSTRUMENT CLUSTER INTERIOR LIFTGATE CONTROL SWITCH LATCH MTR CLOSE LATCH MTR OPEN LEFT LIFTGATE OBJECT SENSOR LIFTGATE CLOSE SWITCH LIFTGATE CONTROL MODULE LIFTGATE HANDLE SWITCH LIFTGATE LATCH ASSEMBLY LIFTGATE MOTOR ASSEMBLY (IN LIFTGATE) LOGIC LOW REF LOW SPEED GMLAN SERIAL DATA LOWER HANDS-FREE LIFTGATE SENSOR MAX MTR (CLOSE) MTR OPEN MTR RELEASE CTRL 2 NCA WIRE NETWORK BUS 18 OBJ SENS SIG OFF ON/OFF SW SIG OPEN/CLOSE SW POS SIG 1 POS SIG 2 REAR BODY FUSE BLOCK RED/BRN WIRE RED/GRY WIRE RED/YEL WIRE RIGHT LIFTGATE OBJECT SENSOR RR CLOSURE OPEN SENS LOW REF SENS SIG 1 SENS SIG 2 SW LED CTRL SW OPEN SIG UPPER HANDS-FREE LIFTGATE SENSOR VOLT REF WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLU WIRE