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

3.6L AUTOMATIC TRANSMISSION ASSEMBLY (HATCHBACK) BACKUP LAMP CTRL BACKUP LP CTRL BATT POS VOLT BLK WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (LOWER CENTER OF DASH) COMPUTER DATA LINES SYSTEM ENG CTRL SENS LO REF ENGINE CONTROL MODULE ENGINE OIL PRESSURE SENSOR FUSE 22 GRN/WHT WIRE GRN/YEL WIRE HATCHBACK HI SPD GMLAN SER DATA (+) 1 HOT AT ALL TIMES IGN MODE SW MODE CTRL IGN MODE SW MODE CTRL BACKUP IMS MODE SW LOW REF INSTRUMENT PANEL FUSE BLOCK J132 (3.6L) LEFT BACKUP LAMP LEFT LIFTGATE TAILLAMP ASSEMBLY LOGIC INSIDE REAR VIEW MIRROR LOW LEVEL MID/HIGH LEVEL 2.0L TURBO 3.6L RADIO RED/WHT WIRE RIGHT BACKUP LAMP RIGHT LIFTGATE TAILLAMP SIG GND TRANS POS TRANSMISSION CONTROL MODULE TRANSMISSION INTERNAL MODE SWITCH WAGON WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL/BLU WIRE

AUDIO AMPLIFIER BLU WIRE BLU/GRN WIRE BLU/VIO WIRE BLU/YEL WIRE BRN/BLK WIRE BRN/GRN WIRE COMM ENABLE COMMUNICATION ENABLE DATA 2 (+) ETHERNET BUS 4 (-) ETHERNET BUS 6 (-) ETHERNET BUS 7 (-) FRONT OBJECT GRN WIRE GRN/BLU WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/WHT WIRE HI SPD GMLAN HIGH SPD GMLAN HUMAN MACHINE INTERFACE CONTROL MODULE (RIGHT SIDE OF DASH) LIN SERIAL DATA BUS 10 LIN SERIAL DATA BUS 5 LO SPD GMLAN LO SPEED GMLAN LOCAL INTERCONNECT LONG RANGE RADAR SENSOR MODULE MOST CTRL MOST SER DATA (+) MOST SERIAL MOST SERIAL DATA (+) NETWORK RADIO SENSOR CTRL 2 SER DATA SERIAL DATA SERIAL DATA (-) 4 SERIAL DATA (-) 9 SERIAL DATA 2 SERIAL DATA BUS 5 WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/VIO WIRE

BLK WIRE BLU WIRE BLU/VIO WIRE BLU/YEL WIRE COMMUNICATION ENABLE DATA BUS 13 DATA BUS 8 DATA BUS 9 DRIVER SEAT BOLSTER MEMORY CONTROL MODULE DRIVER SEAT MEMORY CONTROL MODULE FRONT OBJECT GMLAN SERIAL DATA GRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/VIO WIRE HI SPD GMLAN HVAC CONTROL MODULE (CENTER OF DASH) HVAC CONTROLS KEYLESS ENTRY CONTROL MODULE LIN SERIAL LO SPD GMLAN LO SPD GMLAN SERIAL DATA LOW SPEED PARKING ASSIST CONTROL MODULE PASS MEMORY PASSENGER PRESENCE MODULE PASSENGER SEAT BOLSTER MEMORY CONTROL MODULE PASSENGER SEAT MEMORY CONTROL MODULE PASSENGER WINDOW SWITCH SENS LO REF 2 SENSOR CTRL 2 SERIAL DATA SERIAL DATA (-) (1) SERIAL DATA (-) 4 SERIAL DATA 2 WHT WIRE WHT/BLU WIRE

2.0L TURBO 3.6L BATTERY FUSE BLOCK BATTERY POSITIVE VOLTAGE BLK WIRE BRN/VIO WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER OUTSIDE REAR VIEW MIRROR GLASS DRIVER OUTSIDE REAR- VIEW MIRROR EMPTY FUSE FUSE 1 FUSE 2 FUSE 33 GRN WIRE HATCHBACK HEATED MIRRORS FUSE HOT AT ALL TIMES HVAC CONTROL MODULE HVAC CONTROLS INSTRUMENT PANEL FUSE BLOCK LEFT REAR WINDOW DEFOGGER NOISE FILTER LOGIC LOW SPEED GMLAN SERIAL DATA PASSENGER OUTSIDE REAR VIEW MIRROR PASSENGER OUTSIDE REAR VIEW MIRROR GLASS REAR DEFOG RLY CTRL REAR DEFOGGER GRID REAR DEFOGGER IND REAR DEFOGGER RELAY REAR DEFOGGER SWITCH REAR WINDOW DEFOGGER CAPACITOR REAR WINDOW DEFOGGER FUSE RED WIRE RED/WHT WIRE RED/YEL WIRE RIGHT REAR WINDOW DEFOGGER NOISE FILTER UNDERHOOD FUSE BLOCK WAGON

2.0L TURBO 3.6L W/ FRONT PARKING ASSIST BATT POS VOLT BLK WIRE BLK/BRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (LOWER CENTER OF DASH) BRAKE PEDAL POSITION SENSOR BRK APPLY SENS CTRL BRK APPLY SENS LOW REF BRK APPLY SENS SIG BRK POS BRK POS SENS COMPUTER DATA LINES SYSTEM CORNERING HEADLIGHT SYSTEM MALFUNCTION IND DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) FT TURN LP FEEDBACK SIG FUSE 18 FUSE 20 FUSE 22 FUSE 8 GRN/BRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/YEL WIRE HATCHBACK HAZ LED DIMMING SIG HAZ SW LH TURN SIG HAZ SW RH TURN SIG HAZARD SW SIG HAZARD WARNING SWITCH HDLP SW HDLPS OFF SIG CTRL HDLP SW PARK LP SIG HEADLAMP SWITCH HI SPD GMLAN HI SPD GMLAN SER DATA (+) 1 HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LEFT LICENSE PLATE LAMP LEFT TURN IND LH FT TURN SIG LP CTRL LH PARK LP CTRL RH FT TURN SIG LP CTRL LH REAR STOP LP CTRL LIFTGATE HANDLE SWITCH LOGIC LOW REF OFF HEAD AUTO PARK PARK LAMPS IND REAR LICENSE LP CTRL RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RH FT TURN LP FEEDBACK SIG RH PARK LP CTRL RIGHT LICENSE PLATE LAMP RIGHT TURN IND RR STOP LP CTRL SENS SIG SER DATA (-) (1) SIG GND STOP LP RLY COIL CTRL TURN SIGNAL/ MULTI-FUNCTION SWITCH VIO/BLK WIRE VIO/BLU WIRE VIO/GRY WIRE VIO/WHT WIRE WAGON WHT WIRE WHT/GRN WIRE WHT/RED WIRE WHT/YEL WIRE

BLK WIRE BLU/WHT WIRE GRN/VIO WIRE GROUND DISTRIBUTION SYSTEM GRY/BRN WIRE GRY/YEL WIRE HEADLIGHTS SYSTEM LEFT FRONT SIDE MARKER LAMP LEFT INNER TAIL- LAMP LEFT LIFTGATE TAILLAMP ASSEMBLY LOGIC LEFT STOP/ TURN SIGNAL LAMP LEFT TAIL/ STOP LAMP LEFT TAILLAMP ASSEMBLY LOGIC LOGIC LOGIC RIGHT HEADLAMP MULTI-FUNCTION LED RIGHT CORNERING LAMP RIGHT CORNERING LAMP LED TEMPERATURE SENSOR RIGHT FRONT SIDE MARKER LAMP RIGHT HEADLAMP ASSEMBLY RIGHT HEADLAMP/ CORNERING LAMP CONTROL MODULE RIGHT SIDE OF RADIATOR) RIGHT STOP/ TURN SIGNAL LAMP RIGHT TAIL/ STOP LAMP RIGHT TAILLAMP ASSEMBLY VIO/BLK WIRE VIO/GRY WIRE VIO/WHT WIRE W/ HALOGEN WHT/YEL WIRE

BLK WIRE BLU/WHT WIRE CENTER HIGH MOUNTED STOP LAMP COMPUTER DATA LINES SYSTEM FUSE 6 GRN WIRE GRN/VIO WIRE GROUND DISTRIBUTION SYSTEM GRY/BRN WIRE HATCHBACK/ WAGON HEADLIGHTS SYSTEM 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/ CORNERING LAMP CONTROL MODULE LEFT TURN SIGNAL REPEATER LAMP LOGIC LOGIC LEFT HEADLAMP MULTI-FUNCTION LED MALFUNCTION INDICATOR LAMP/SHIFT SOLENOID FUSE RED/GRY WIRE RIGHT INNER TAILLAMP RIGHT LIFTGATE TAILLAMP ASSEMBLY RIGHT SIDE OF RADIATOR) RIGHT TURN SIGNAL REPEATER LAMP TRAILER CONNECTOR UNDERHOOD FUSE BLOCK VIO/BLK WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/WHT WIRE W/ HALOGEN W/ TRAILER PROVISIONS W/O TRAILER PROVISIONS 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

2.0L TURBO 3.6L BATTERY FUSE BLOCK BLK WIRE BODY CONTROL MODULE BRN WIRE BRN/WHT WIRE FUSE 1 FUSE 2 GRN/WHT WIRE GRY WIRE HORN FUSE HORN RELAY HORN RLY CTRL HORN SW SIG HORN SWITCH HOT AT ALL TIMES LEFT HORN RED WIRE RIGHT HORN RIGHT SIDE OF RADIATOR) STEERING WHEEL AIR BAG COIL UNDERHOOD FUSE BLOCK WHT WIRE YEL WIRE