Buick Regal VI (2017-2020) (body harness, Wiring diagrams

BATT POS VOLT BLK WIRE BLK/BRN WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE BRAKE/ BRN WIRE BRN/WHT WIRE COIL CONTROL COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY FUSE 22 FUSE 5 GRN/BLU WIRE GRN/GRY WIRE GRN/YEL WIRE GROUND GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/VIO WIRE HIGH SPEED GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK KEY CAPTURE/COLUMN LOCK SHIFT POSITION SIGNAL LOGIC NETWORK BUS 2 PARK LOCK SOL CTRL PARK POSITION SWITCH PPL RAP RELAY RAP RELAY COIL CTRL RED WIRE RED/WHT WIRE RED/YEL WIRE SERIAL DATA 2 TAP UP/TAP DOWN SW SIG TRANSMISSION MANUAL SHIFT SWITCH TRANSMISSION SHIFT LEVER TRANSMISSION SHIFT LEVER POSITION INDICATOR TRANSMISSION SHIFT LOCK CONTROL SOLENOID ACTUATOR VIO WIRE VIO/BLK WIRE WHT WIRE WHT/BLU WIRE WHT/VIO WIRE YEL/BLU WIRE YEL/BRN WIRE

BATT POS VOLT BLK WIRE BODY CONTROL MODULE (LOWER CENTER OF DASH) COMPUTER DATA LINES SYSTEM COURTESY LAMPS SW SIG DEFEAT SW SIG DRIVER DOOR LATCH ASSEMBLY DRIVER WINDOW MOTOR FUSE 18 FUSE 20 FUSE 22 FUSE 41 FUSE 5 GRN WIRE GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/GRN WIRE HOT AT ALL TIMES INADVERTENT PWR CTRL INSTRUMENT PANEL ACCENT LAMP INSTRUMENT PANEL FUSE BLOCK INTERIOR LAMP CTRL LED AMBIENT LIGHTING CTRL 1 LED AMBIENT LIGHTING CTRL 2 LEFT FRONT FLOOR ACCENT LAMP LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR WINDOW SWITCH LF DR AJAR SW SIG LIFTGATE AJAR SW SIG 1 LIFTGATE LATCH ASSEMBLY LIN SERIAL DATA BUS 3 LIN SERIAL DATA BUS 4 LOGIC LR DR AJAR SW SIG REAR COMPARTMENT COURTESY LAMP REAR COMPARTMENT LID LAMP CTRL LOW SPD GMLAN SER DATA RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT FLOOR ACCENT LAMP VIO/GRN WIRE VIO/GRY WIRE VIO/WHT WIRE WHT/BRN WIRE WHT/YEL WIRE

BLK WIRE DRIVER DOOR ACCENT LAMP DRIVER DOOR HANDLE FLOOD LAMP DRIVER DOOR POCKET FLOOD LAMP FRONT OVERHEAD CONSOLE ASSEMBLY GRN WIRE GRY WIRE GRY/GRN WIRE LEFT ROOF RAIL DOME/ READING LAMPS LOGIC NCA WIRE PASSENGER DOOR ACCENT LAMP PASSENGER DOOR HANDLE FLOOD LAMP PASSENGER DOOR HARNESS) PASSENGER DOOR POCKET FLOOD LAMP POWER DISTRIBUTION SYSTEM REAR DOME READING LAMPS RED/GRN WIRE RIGHT ROOF RAIL DOME/ READING LAMPS WHT/BRN WIRE WHT/YEL WIRE

BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DOOR LOCK IND DRIVER DOOR LATCH ASSEMBLY DRIVER DOOR LOCK SWITCH FRONT OVERHEAD CONSOLE ASSEMBLY GARAGE DOOR OPENER GRY/GRN WIRE HEATED STEERING WHEEL IND HEATED STEERING WHEEL SWITCH LED INFO DISPLAY MODULE INSIDE STEERING WHEEL) INTERIOR LIFTGATE CONTROL SWITCH KEYPAD GREEN KEYPAD RED WIRE LED CONTROL LEFT STEERING WHEEL CONTROLS SWITCH LO SPD GMLAN LOGIC NCA WIRE PASSENGER DOOR HARNESS) PASSENGER DOOR LOCK SWITCH RIGHT LOGIC STEERING WHEEL CONTROLS SWITCH SERIAL DATA 2 STEERING WHEEL AIR BAG COIL STEERING WHEEL HEATING CONTROL MODULE TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE VIO WIRE W/ NGI VERSION 3.0 W/O NGI VERSION 3.0 W/ ONE COLOR GRAPHIC W/ MULTI COLOR STANDARD GRAPHIC W/ POWER LIFT GATE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/VIO WIRE YEL WIRE

A/C COMPRESSOR CLUTCH RELAY A/C HEV FUSE AUXILIARY HEATER COOLANT PUMP RELAY BLU WIRE DRIVER POWER SEAT FUSE DRIVER SEAT ADJUSTER SWITCH DRIVER SEAT BOLSTER MEMORY CONTROL MODULE DRIVER SEAT LUMBAR SUPPORT SWITCH DRIVER SEAT LUMBAR SUPPORT VALVE ASSEMBLY DRIVER SEAT MEMORY CONTROL MODULE DRIVER WINDOW/ OUTSIDE REAR VIEW MIRROR SWITCH FROM KEYLESS ENTRY CONTROL MODULE FUSE (DIAGRAM 1 OF 8) FRONT FOG LAMP RELAY FRONT HEATED SEATS FUSE FRONT WIPERS FUSE HEADLAMP HIGH BEAM RELAY HEATED WINDSHIELD FUSE LEFT HEADLAMP LOW BEAM RELAY LIFTGATE UNLATCH RELAY MEMORY CONTROL MODULE FUSE NOT USED PASSENGER POWER SEAT FUSE PASSENGER SEAT ADJUSTER SWITCH PASSENGER SEAT BOLSTER MEMORY CONTROL MODULE PASSENGER SEAT LUMBAR SUPPORT SWITCH PASSENGER SEAT LUMBAR SUPPORT VALVE ASSEMBLY PASSENGER SEAT MEMORY CONTROL MODULE PASSENGER WINDOW SWITCH REAR CLOSURE FUSE REAR HEATED SEATS FUSE REAR WINDOW WASHER PUMP RELAY REAR WIPER FUSE REAR WIPER RELAY RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RIGHT HEADLAMP LOW BEAM RELAY SEAT LUMBAR FUSE STARTER FUSE STARTER PINION FUSE STARTER PINION SOLENOID ACTUATOR RELAY STARTER RELAY TO ENGINE CONTROLS IGNITION RELAY (DIAGRAM 7 OF 8) TPIM MOTOR GENERATOR/TPIM FUSE W/ HALOGEN HEADLAMPS W/ MEMORY W/O MEMORY W/O MEMORY 4-WAY WASHER PUMP FUSE WHT/BLU WIRE WINDSHIELD WASHER PUMP RELAY WINDSHIELD WIPER RELAY WINDSHIELD WIPER SPEED CONTROL RELAY

8 SPEED 9 SPEED ACTIVE SAFETY CONTROL MODULE BATTERY SAVER RELAY 1 BLK WIRE BODY CONTROL MODULE FROM POWER SUPPLY TRANSFORMER (DIAGRAM 6 OF 8) FRONT OVERHEAD CONSOLE ASSEMBLY FRONT VIEW CAMERA MODULE FUSE 10 FUSE 15 FUSE 38 FUSE 39 FUSE 40 FUSE 41 FUSE 42 GARAGE DOOR OPENER GRY/BRN WIRE GRY/VIO WIRE HEAD-UP DISPLAY HUMAN MACHINE INTERFACE CONTROL MODULE HVAC CONTROLS INFO DISPLAY MODULE INSTRUMENT CLUSTER LEFT SIDE OBJECT SENSOR MODULE LONG RANGE RADAR SENSOR MODULE MID/HIGH, LOW LEVEL PARKING ASSIST CONTROL MODULE PREMIUM RADIO REAR DOME/READING LAMPS RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE RIGHT SIDE OBJECT SENSOR MODULE TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE TRANSMISSION CONTROL MODULE TRANSMISSION CONTROL MODULE AUTOMATIC TRANSMISSION ASSEMBLY UP LEVEL MID LEVEL VIO/BLU WIRE W/ BRAKE PREFILL INTEGRATED BRAKE ASSIST W/ HEAD UP DISPLAY W/ NGI VERSION 3.0 W/O NGI VERSION 3.0 W/O HEAD-UP DISPLAY

2.0L TURBO 3.6L ACTIVE NOISE CANCELLATION MODULE AUDIO AMPLIFIER BLK WIRE BLOWER MOTOR CONTROL MODULE BODY CONTROL MODULE DRIVER WINDOW MOTOR ENGINE CONTROL MODULE FROM BATTERY FUSE BLOCK (DIAGRAM 1 OF 8) FROM UNDERHOOD FUSE BLOCK (DIAGRAM 1 OF 8) FUSE 1 FUSE 12 FUSE 13 FUSE 16 FUSE 17 FUSE 18 FUSE 19 FUSE 2 FUSE 22 FUSE 3 FUSE 4 FUSE 5 FUSE 6 FUSE 7 FUSE 8 FUSE 9 GRN/VIO WIRE HANDS-FREE LIFTGATE SENSOR CONTROL MODULE IGNITION MAIN RELAY LEFT REAR FOLDING SEAT CONTROL SWITCH LEFT REAR WINDOW SWITCH LIFTGATE CONTROL MODULE PASSENGER WINDOW MOTOR POWER SOUNDER CONTENT THEFT DETERRENT ALARM MODULE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT REAR FOLDING SEAT CONTROL SWITCH RIGHT REAR WINDOW SWITCH SEAT HEATING CONTROL MODULE TRAILER CONNECTOR VIO/BLK WIRE VIO/GRN WIRE VIO/WHT WIRE W/ ACTIVE NOISE W/O ACTIVE NOISE

8 SPEED 9 SPEED AUTOMATIC TRANSMISSION ASSEMBLY BLK WIRE BODY CONTROL MODULE COLLISION ALERT INDICATORS DRIVER BACK SEAT BLOWER MOTOR DRIVER CUSHION SEAT BLOWER MOTOR ENGINE CONTROL MODULE ENGINE CONTROL MODULE/IGNITION FUSE FROM ENGINE CONTROLS IGNITION RELAY (DIAGRAM 7 OF 8) FUEL PUMP DRIVER CONTROL MODULE FUSE 14 FUSE 28 GRN/VIO WIRE HEADLAMP LEVELING FUSE HEATED STEERING WHEEL FUSE HVAC CONTROL MODULE IGNITION MAIN RELAY INSIDE REAR VIEW MIRROR INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK INSTRUMENT PANEL/IGNITION FUSE LEFT HEADLAMP ASSEMBLY (W/ LED HEADLAMPS) LEFT HEADLAMP CONTROL MODULE LEFT HEADLAMP/ CORNERING LAMP CONTROL MODULE MALFUNCTION INDICATOR LAMP/SHIFT SOLENOID FUSE NCA WIRE NOT USED PASSENGER BACK SEAT BLOWER MOTOR PASSENGER CUSHION SEAT BLOWER MOTOR REAR VIEW CAMERA REAR VISION CAMERA/VENTILATION FUSE RED WIRE RIGHT HEADLAMP ASSEMBLY (W/ LED HEADLAMPS) RIGHT HEADLAMP CONTROL MODULE RIGHT HEADLAMP/ CORNERING LAMP CONTROL MODULE STARTER RELAY STEERING COLUMN LOCK FUSE STEERING WHEEL AIR BAG COIL STEERING WHEEL HEATING CONTROL MODULE TO POWER SUPPLY TRANSFORMER (DIAGRAM 6 OF 8) TO REAR BODY FUSE BLOCK (DIAGRAM 5 OF 8) TRAILER CONNECTOR TRANSMISSION CONTROL MODULE TRANSMISSION CONTROL MODULE/IGNITION FUSE VIO/BLK WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/WHT WIRE W/ FRONT SEAT VENTILATION WAGON

ACCY WAKEUP SER DATA BATT POS VOLT BLK WIRE BLU WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT 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 3 GRN WIRE GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/WHT 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 LIFTGATE AJAR SW SIG 1 LIFTGATE LATCH ASSEMBLY LIN SER 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 RED/BRN WIRE REMOTE FUNCTION ACT CTRL REMOTE FUNCTION ACT LOW REF RFA RECEIVE SIG RFA TRANSMIT SIG RT HDLP LO BEAM CTRL SEC IND CTRL SER DATA BUS 4 SER DATA COMM ENABLE SW SIG UNDERHOOD FUSE BLOCK UNLOCK SIG VIO/GRY WIRE VIO/WHT WIRE VIO/YEL WIRE W/O SUNROOF WHT WIRE WHT/BLU WIRE WHT/VIO 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