Buick Regal VI (2017-2020) lin ser data bus 4 Wiring diagrams

2.0L 3.6L ACT SIG AMBIENT LIGHT/ SUNLOAD SENSOR BLK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/VIO WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE ENGINE HOOD SWITCH FUSE 17 GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/GRN WIRE GRY/WHT WIRE HOT AT ALL TIMES HVAC CONTROL MODULE INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LIN SER DATA BUS 3 LIN SER DATA BUS 4 LO REF LO SPD GMLAN LOGIC LOGIC PASSENGER WINDOW MOTOR LOGIC RIGHT REAR WINDOW SWITCH PASSENGER DOOR LATCH ASSEMBLY PASSENGER DOOR LOCK SWITCH POWER SOUNDER CONTENT THEFT DETERRENT ALARM MODULE LOGIC PPL RED/YEL WIRE REMOTE CONTROL DOOR LOCK RECEIVER RF DR AJAR SW SIG RFA LOW REF RFA RECEIVE SIG RFA TRANSMIT SIG RIGHT REAR DOOR LATCH ASSEMBLY RIGHT SIDE OF RADIATOR) RR DR AJAR SW SIG SECURITY IND SER DATA SOLAR SENS VIO WIRE VIO/GRY WIRE WAGON HATCHBACK WHT WIRE YEL WIRE YEL/GRN WIRE YEL/VIO WIRE

ACCY IGN VOLT ACCY WAKEUP SER DATA BATT POS VOLT BLK WIRE BLU WIRE BLU/GRY WIRE BLU/VIO WIRE BODY CONTROL MODULE (LOWER CENTER OF DASH) BRN/GRN WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DATA BUS 3 DOME LAMP OFF IND CTRL DR LK ACT LK CTRL DR LK ACT LK CTRL 2 DR LK ACT UNLK CTRL DRIVER DOOR LATCH ASSEMBLY DRIVER DOOR LOCK SWITCH DRV DR LK SW LK SIG DRV DR LK SW UNLK SIG DRV DR LK/ FRONT OVERHEAD CONSOLE ASSEMBLY FUEL FILL DOOR LOCK ACTUATOR FUSE 20 FUSE 3 FUSE 5 GRN WIRE GRN/GRY WIRE GRN/YEL WIRE GRY WIRE HEADLIGHTS SYSTEM HOOD AJAR SW SIG HORN RLY CTRL HORNS SYSTEM HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IND DIMMING CTRL INSTRUMENT PANEL FUSE BLOCK KEY SW SIG LEFT REAR DOOR LATCH ASSEMBLY LF DR AJAR SW SIG LIFTGATE AJAR SW SIG 1 LIFTGATE LATCH ASSEMBLY LIN SER LIN SER DATA BUS 3 LIN SER DATA BUS 4 LOGIC DRIVER WINDOW MOTOR LOGIC DRIVER WINDOW/OUTSIDE REAR VIEW MIRROR SWITCH LOGIC LEFT REAR WINDOW SWITCH LOW SPD GMLAN SER DATA LR DR AJAR SW SIG LT HDLP LO BEAM CTRL MALFUNCTION INDICATOR LAMP/SHIFT SOLENOID FUSE PASS DR LK SW LK CTRL PASS DR LK SW UNLK CTRL PUSH BUTTON START SIG RED/BRN WIRE RED/YEL WIRE RT HDLP LO BEAM CTRL RUN/CRANK IGN 1 VOLT SEC IND CTRL SER DATA COMM ENABLE UNDERHOOD FUSE BLOCK UNLOCK SIG VIO WIRE VIO/GRY WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/VIO WIRE YEL WIRE YEL/VIO WIRE

2.0L 3.6L AMBIENT LIGHT/ SUNLOAD SENSOR BLK WIRE BLU WIRE BRN WIRE BRN/GRN WIRE BRN/VIO WIRE BRN/YEL WIRE CENTER CONSOLE REAR KEYLESS ENTRY ANTENNA COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE ENGINE HOOD SWITCH FUSE 17 GRN WIRE GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE HANDS-FREE LIFTGATE SENSOR LAMP HOT AT ALL TIMES HVAC CONTROL MODULE INSTRUMENT PANEL FUSE BLOCK LIN SER DATA BUS 3 LIN SER DATA BUS 4 LO REF LOGIC LOGIC RIGHT REAR WINDOW SWITCH LOW SPD GMLAN PASSENGER DOOR LATCH ASSEMBLY PASSENGER DOOR LOCK SWITCH PASSENGER WINDOW MOTOR PPL REAR COMPARTMENT KEYLESS ENTRY ANTENNA RED WIRE RED/YEL WIRE RF DR AJAR SW SIG RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR EXTERIOR DOOR HANDLE SWITCH RIGHT REAR EXTERIOR DOOR HANDLE ASSEMBLY RR DR AJAR SW SIG SER DATA SOLAR SENS VIO WIRE VIO/GRY WIRE WHT WIRE WHT/GRN WIRE YEL WIRE YEL/GRY WIRE YEL/VIO WIRE

2.0L 3.6L ACT SIG AMBIENT LIGHT/ SUNLOAD SENSOR BLK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/VIO WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE ENGINE HOOD SWITCH FUSE 17 GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/GRN WIRE GRY/WHT WIRE HOT AT ALL TIMES HVAC CONTROL MODULE INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LIN SER DATA BUS 3 LIN SER DATA BUS 4 LO REF LO SPD GMLAN LOGIC LOGIC PASSENGER WINDOW MOTOR LOGIC RIGHT REAR WINDOW SWITCH PASSENGER DOOR LATCH ASSEMBLY PASSENGER DOOR LOCK SWITCH POWER SOUNDER CONTENT THEFT DETERRENT ALARM MODULE LOGIC PPL RED/YEL WIRE REMOTE CONTROL DOOR LOCK RECEIVER RF DR AJAR SW SIG RFA LOW REF RFA RECEIVE SIG RFA TRANSMIT SIG RIGHT REAR DOOR LATCH ASSEMBLY RIGHT SIDE OF RADIATOR) RR DR AJAR SW SIG SECURITY IND SER DATA SOLAR SENS VIO WIRE VIO/GRY WIRE WAGON HATCHBACK WHT WIRE YEL WIRE YEL/GRN WIRE YEL/VIO WIRE

ACCY IGN VOLT ACCY WAKEUP SER DATA BATT POS VOLT BLK WIRE BLU WIRE BLU/GRY WIRE BLU/VIO WIRE BODY CONTROL MODULE (LOWER CENTER OF DASH) BRN/GRN WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DATA BUS 3 DOME LAMP OFF IND CTRL DR LK ACT LK CTRL DR LK ACT LK CTRL 2 DR LK ACT UNLK CTRL DRIVER DOOR LATCH ASSEMBLY DRIVER DOOR LOCK SWITCH DRV DR LK SW LK SIG DRV DR LK SW UNLK SIG DRV DR LK/ FRONT OVERHEAD CONSOLE ASSEMBLY FUEL FILL DOOR LOCK ACTUATOR FUSE 20 FUSE 3 FUSE 5 GRN WIRE GRN/GRY WIRE GRN/YEL WIRE GRY WIRE HEADLIGHTS SYSTEM HOOD AJAR SW SIG HORN RLY CTRL HORNS SYSTEM HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IND DIMMING CTRL INSTRUMENT PANEL FUSE BLOCK KEY SW SIG LEFT REAR DOOR LATCH ASSEMBLY LF DR AJAR SW SIG LIFTGATE AJAR SW SIG 1 LIFTGATE LATCH ASSEMBLY LIN SER LIN SER DATA BUS 3 LIN SER DATA BUS 4 LOGIC DRIVER WINDOW MOTOR LOGIC DRIVER WINDOW/OUTSIDE REAR VIEW MIRROR SWITCH LOGIC LEFT REAR WINDOW SWITCH LOW SPD GMLAN SER DATA LR DR AJAR SW SIG LT HDLP LO BEAM CTRL MALFUNCTION INDICATOR LAMP/SHIFT SOLENOID FUSE PASS DR LK SW LK CTRL PASS DR LK SW UNLK CTRL PUSH BUTTON START SIG RED/BRN WIRE RED/YEL WIRE RT HDLP LO BEAM CTRL RUN/CRANK IGN 1 VOLT SEC IND CTRL SER DATA COMM ENABLE UNDERHOOD FUSE BLOCK UNLOCK SIG VIO WIRE VIO/GRY WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/VIO WIRE YEL WIRE YEL/VIO WIRE

2.0L 3.6L AMBIENT LIGHT/ SUNLOAD SENSOR BLK WIRE BLU WIRE BRN WIRE BRN/GRN WIRE BRN/VIO WIRE BRN/YEL WIRE CENTER CONSOLE REAR KEYLESS ENTRY ANTENNA COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE ENGINE HOOD SWITCH FUSE 17 GRN WIRE GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE HANDS-FREE LIFTGATE SENSOR LAMP HOT AT ALL TIMES HVAC CONTROL MODULE INSTRUMENT PANEL FUSE BLOCK LIN SER DATA BUS 3 LIN SER DATA BUS 4 LO REF LOGIC LOGIC RIGHT REAR WINDOW SWITCH LOW SPD GMLAN PASSENGER DOOR LATCH ASSEMBLY PASSENGER DOOR LOCK SWITCH PASSENGER WINDOW MOTOR PPL REAR COMPARTMENT KEYLESS ENTRY ANTENNA RED WIRE RED/YEL WIRE RF DR AJAR SW SIG RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR EXTERIOR DOOR HANDLE SWITCH RIGHT REAR EXTERIOR DOOR HANDLE ASSEMBLY RR DR AJAR SW SIG SER DATA SOLAR SENS VIO WIRE VIO/GRY WIRE WHT WIRE WHT/GRN WIRE YEL WIRE YEL/GRY WIRE YEL/VIO WIRE

BLK WIRE BLU/GRY WIRE BLU/VIO WIRE BODY CONTROL MODULE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DATA BUS 3 DOOR LOCK DOOR LOCKS SYSTEM DOWN DRIVER WINDOW MOTOR DRIVER WINDOW/ OUTSIDE REAR VIEW MIRROR SWITCH EXPRESS FUSE 1 FUSE 2 GRN WIRE GRN/BLK WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES ILL INSTRUMENT PANEL FUSE BLOCK LEFT FRONT WINDOW DOWN SWITCH LEFT FRONT WINDOW EXPRESS SWITCH LEFT FRONT WINDOW UP SWITCH LEFT REAR WINDOW DOWN SWITCH LEFT REAR WINDOW EXPRESS SWITCH LEFT REAR WINDOW MOTOR LEFT REAR WINDOW SWITCH LEFT REAR WINDOW UP SWITCH LF DR AJAR SW SIG LIN SER LIN SER DATA BUS 3 LIN SER DATA BUS 4 LOCKOUT IND LOCKOUT SWITCH LOGIC LOGIC ILL LR DOWN CTRL LR DR AJAR SW SIG LR UP CTRL MEMORY CONTROL MODULE FUSE MTR STATUS PASSENGER WINDOW MOTOR PASSENGER WINDOW SWITCH RED/BLU WIRE RED/WHT WIRE RF DR AJAR SW SIG RIGHT FRONT WINDOW DOWN SWITCH RIGHT FRONT WINDOW EXPRESS SWITCH RIGHT FRONT WINDOW UP SWITCH RIGHT REAR WINDOW DOWN SWITCH RIGHT REAR WINDOW EXPRESS SWITCH RIGHT REAR WINDOW MOTOR RIGHT REAR WINDOW SWITCH RIGHT REAR WINDOW UP SWITCH RR DOWN CTRL RR DR AJAR SW SIG RR UP CTRL SW DOWN SIG SW DRV DOWN SIG SW DRV EXP SIG SW DRV UP SIG SW EXPRESS SIG SW UP SIG UNDERHOOD FUSE BLOCK UNLOCK SIG VIO/GRY WIRE W/ MEMORY W/O MEMORY WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE