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

2.0L TURBO 3.6L ACCESSORY WAKEUP SERIAL DATA ACCUMULATOR SOL AUTOMATIC TRANSMISSION ACCUMULATOR SOLENOID VALVE BATT POS VOLT BATT POSITIVE VOLT BATTERY FUSE BLOCK BLK/BRN WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/WHT WIRE CLUTCH A CTRL CLUTCH B CTRL CLUTCH C CTRL CLUTCH D CTRL CLUTCH E CTRL COMPUTER DATA LINES SYSTEM COOLING FAN/ DC DC CONVERTER 2 FUSE FUSE 15 FUSE 5 GRN/GRY WIRE GRN/VIO WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE HI SPD GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN MODE SW MODE CTRL IN SPD SIG INSTRUMENT PANEL FUSE BLOCK J165 (3.6L) J190 (2.0L TURBO) OUT SPD SIG POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER RED WIRE RED/BLU WIRE RED/GRN WIRE RUN/CRANK IGNITION 1 VOLT SIG GND TCC/CLUTCH SOL CTRL TRANS CLUTCH F CTRL TRANS CLUTCH G CTRL TRANS CLUTCH H CTRL TRANS HI SIDE DRV 1 SIG TRANS HI SIDE DRV 2 SIG TRANS INTERMEDIATE SPD SIG TRANS OIL LVL SENS SIG TRANS OIL TEMP SENS LO REF TRANS OIL TEMP SENS SIG TRANSMISSION CONTROL MODULE TRANSMISSION CONTROL MODULE/ IGNITION FUSE TRANSMISSION INPUT SHAFT SPEED SENSOR TRANSMISSION INPUT/INTERMEDIATE SHAFT SPEED SENSOR TRANSMISSION INTERMEDIATE SHAFT SPEED SENSOR UNDERHOOD FUSE BLOCK VIO WIRE VIO/BLK WIRE VIO/YEL WIRE VOLT WHT WIRE WHT/BLU WIRE WHT/GRY WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE

2.0L TURBO 3.6L AUTOMATIC TRANSMISSION ASSEMBLY BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLU WIRE BLU/BLK WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) ENGINE CONTROLS SYSTEM GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE HI SPD GMLAN SERIAL DATA (+) (3) IGN MODE SW MODE CTRL BACKUP J132 (3.6L) LO REF NCA WIRE TRANSMISSION CONTROL SOLENOID VALVE 1 TRANSMISSION CONTROL SOLENOID VALVE 10 TRANSMISSION CONTROL SOLENOID VALVE 2 TRANSMISSION CONTROL SOLENOID VALVE 3 TRANSMISSION CONTROL SOLENOID VALVE 4 TRANSMISSION CONTROL SOLENOID VALVE 5 TRANSMISSION CONTROL SOLENOID VALVE 6 TRANSMISSION CONTROL SOLENOID VALVE 7 TRANSMISSION CONTROL SOLENOID VALVE 8 TRANSMISSION CONTROL SOLENOID VALVE 9 TRANSMISSION FLUID TEMPERATURE SENSOR TRANSMISSION INTERNAL MODE SWITCH TRANSMISSION OUTPUT SHAFT SPEED SENSOR VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE

2.0L TURBO 3.6L A/C COMPRESSOR CLUTCH RELAY A/C EVAPORATOR TEMPERATURE SENSOR A/C HEV FUSE AMBIENT AIR TEMPERATURE SENSOR AUXILIARY HEATER COOLANT PUMP RELAY BLK/GRN WIRE BLK/YEL WIRE BLU WIRE BLU/GRY WIRE BRN WIRE BRN/GRN WIRE BRN/YEL WIRE DUCT LEFT LOWER AIR TEMPERATURE SENSOR DUCT LEFT UPPER AIR TEMPERATURE SENSOR DUCT RIGHT LOWER AIR TEMPERATURE SENSOR DUCT RIGHT UPPER AIR TEMPERATURE SENSOR ENGINE CONTROL MODULE/ IGNITION FUSE ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE SENSOR FUSE 10 FUSE 33 FUSE 39 FUSE 4 GRY WIRE HOT AT ALL TIMES HOT W/ BATTERY SAVER RELAY 1 ENERGIZED HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT PANEL FUSE BLOCK MALFUNCTION INDICATOR LAMP/SHIFT SOLENOID FUSE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE TPIM MOTOR GENERATOR/TPIM FUSE UNDERHOOD FUSE BLOCK VIO/GRN WIRE VIO/GRY WIRE WHT WIRE WHT/GRY WIRE YEL/BLU WIRE

2.0L TURBO 3.6L A/C COMPRSR A/C REFRIGERANT PRESSURE SENSOR AFTER BOIL AIR INLET DR STEPPER MTR CTRL 1 AIR INLET DR STEPPER MTR CTRL 2 AIR INLET DR STEPPER MTR CTRL 3 AIR INLET DR STEPPER MTR CTRL 4 AIR RECIRCULATION DOOR ACTUATOR AUXILIARY HEATER COOLANT PUMP BATTERY FUSE BLOCK BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CLUTCH RLY CTRL COMPUTER DATA LINES SYSTEM COOLING FAN CTRL SIG ENGINE CONTROL MODULE ENGINE CONTROLS SYSTEM ENGINE COOLANT EVAP CORE TEMP SENS SIG FUSE 5 GMLAN SERIAL DATA - 1 GRN WIRE GRY WIRE GRY/BLU WIRE HEATER RLY CTRL HOT AT ALL TIMES HVAC CONTROL MODULE (CENTER OF DASH) HVAC MTR CTRL LOWER LEFT AIR TEMP SENS SIG HVAC MTR SPLY VOLT J190 (2.0L TURBO) J165 (3.6L) LEFT AIR TEMPERATURE DOOR ACTUATOR LOW REF (1) LOW REF 2 LOWER RIGHT AIR TEMP SENS SIG MODE DOOR ACTUATOR MODE DR STEPPER MTR CTRL 1 MODE DR STEPPER MTR CTRL 2 MODE DR STEPPER MTR CTRL 3 MODE DR STEPPER MTR CTRL 4 RED/BRN WIRE RIGHT AIR TEMPERATURE DOOR ACTUATOR RUN/CRANK IGN 1 VOLT SENS LOW REF SENS SIG TEMP DR STEPPER MTR CTRL 1 TEMP DR STEPPER MTR CTRL 2 TEMP DR STEPPER MTR CTRL 3 TEMP DR STEPPER MTR CTRL 4 TEMP DR STEPPER MTR PASS CTRL 1 TEMP DR STEPPER MTR PASS CTRL 2 TEMP DR STEPPER MTR PASS CTRL 3 TEMP DR STEPPER MTR PASS CTRL 4 TEMP SENS SIG UPPER LEFT AIR TEMP SENS SIG UPPER RIGHT AIR TEMP SENS SIG VIO/GRN WIRE VIO/GRY WIRE WHT WIRE WHT/BLK WIRE WHT/GRY WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRN WIRE

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

2.0L TURBO 2.0L TURBO 3.6L 3.6L BATT POS BATTERY FUSE BLOCK BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE COMPUTER DATA LINES SYSTEM COOLING FAN COOLING FAN CTRL SIG COOLING FAN FUSE COOLING FAN MOTOR (CENTER BACK OF RADIATOR) COOLING FAN/DC DC CONVERTER 2 FUSE CTRL SIG DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE ENGINE CONTROL MODULE/ IGNITION FUSE ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMP SENS SIG ENGINE COOLANT TEMPERATURE GAUGE ENGINE COOLANT TEMPERATURE IND ENGINE COOLANT TEMPERATURE SENSOR FUSE 5 GMLAN SERIAL DATA - 1 GRY/VIO WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT CLUSTER J190 (2.0L TURBO) J165 (3.6L) LEFT COOLING FAN MOTOR (LEFT BACK SIDE OF RADIATOR) LOGIC LOW REF (1) MOST SERIAL DATA (+) RED WIRE RED/BLU WIRE RED/BRN WIRE RED/WHT WIRE RIGHT COOLING FAN MOTOR (RIGHT BACK SIDE OF RADIATOR) RIGHT SIDE OF RADIATOR) RUN/CRANK IGN 1 VOLT UNDERHOOD FUSE BLOCK VIO WIRE VIO/GRN WIRE VOLT WHT WIRE WHT/GRN WIRE

2.0L TURBO 3.6L 3.6L 3.6L ACC IGN VOLT ACC LED SIG ACC WAKEUP SER DATA ACTIVE SIG BATT POS VOLT BLK WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BODY CONTROL MODULE BRN WIRE COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE ENGINE OIL PRESSURE CONTROL SOLENOID VALVE ENGINE START/STOP SWITCH EVAPORATIVE EMISSION PURGE SOLENOID VALVE FROM BATTERY FUSE BLOCK (DIAGRAM 1 OF 8) FROM UNDERHOOD FUSE BLOCK (DIAGRAM 1 OF 8) FROM UNDERHOOD FUSE BLOCK (DIAGRAM 7 OF 8) GRN WIRE GRN/BLK WIRE GROUND GRY WIRE HEATED OXYGEN SENSOR BANK 1 SENSOR 1 HEATED OXYGEN SENSOR BANK 2 SENSOR 1 IGN 1 VOLT IGN MODE SW IGNITION MODE SWITCH INTAKE CAMSHAFT POSITION ACTUATOR PARK LOCK SOLENOID VALVE BANK 1 INTAKE CAMSHAFT POSITION ACTUATOR PARK LOCK SOLENOID VALVE BANK 2 KEYLESS ENTRY CONTROL MODULE POWER SUPPLY TRANSFORMER (REAR OF CENTER FLOOR CONSOLE) PUSH BUTTON RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE RUN/CRANK RUN/CRANK IGN 1 VOLT SER DATA - (3) START LED SIG START SIG STARTER ENABLE RLY CTRL STARTER RELAY SW 2 LOW REF SW SIG 2 UNDERHOOD FUSE BLOCK VALVE LIFTER OIL SOLENOID VALVE BANK 1 VALVE LIFTER OIL SOLENOID VALVE BANK 2 VIO WIRE VIO/BLK WIRE VIO/BLU WIRE VIO/GRY WIRE VIO/YEL WIRE VOLT WHT WIRE YEL WIRE YEL/BLK WIRE

2.0L TURBO 3.6L A/C COMPRESSOR CLUTCH RELAY AEROSHUTTER FUSE AUXILIARY HEATER COOLANT PUMP RELAY COIL FUSE ENGINE CONTROL MODULE ENGINE CONTROL MODULE FUSE ENGINE CONTROLS IGNITION RELAY ENGINE OIL PRESSURE CONTROL SOLENOID VALVE EVAPORATIVE EMISSION PURGE SOLENOID VALVE FROM REAR CLOSURE FUSE (DIAGRAM 2 OF 8) FUSE 15 FUSE 74 GRN WIRE HEATED OXYGEN SENSOR 1 HEATED OXYGEN SENSOR 2 HEATED OXYGEN SENSOR BANK 1 SENSOR 2 HEATED OXYGEN SENSOR BANK 2 SENSOR 2 IGNITION COIL 1 IGNITION COIL 2 IGNITION COIL 3 IGNITION COIL 4 IGNITION COIL 5 IGNITION COIL 6 IGNITION COILS FUSE MULTI-FUNCTION INTAKE AIR SENSOR NCA WIRE NOT USED POWERTRAIN OFF ENGINE FUSE SHUNT FUSE SUN- SHADE FUSE TO IGNITION MAIN RELAY (DIAGRAM 8 OF 8) TURBOCHARGER BYPASS SOLENOID VALVE TURBOCHARGER WASTEGATE SOLENOID VALVE VIO/BLU WIRE WHT WIRE YEL WIRE

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

2.0L TURBO 3.6L AUTOMATIC TRANSMISSION ASSEMBLY (8 SPEED A/T) AUTOMATIC TRANSMISSION ASSEMBLY (9-SPEED A/T) BATT POS VOLT BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/YEL WIRE BODY CONTROL MODULE (LOWER CENTER OF DASH) BPP SENS SIG BRAKE PEDAL POSITION SENSOR BRK APPLY SENS CTRL BRK POS SENS LOW REF COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE ENGINE CONTROLS SYSTEM FUSE 5 GRN/YEL WIRE GROUND HI SPD GMLAN SER DATA (+) 1 HOT AT ALL TIMES IGN MODE SW CTRL BACKUP IGN MODE SW MODE CTRL IMS MODE SW LOW REF ENG CTRL SENS LO REF INSTRUMENT PANEL FUSE BLOCK J132 (3.6L) KEY CAPTURE/COLUMN LOCK SHIFT POSITION SIGNAL LOCK SOL LOGIC LOW REF NCA WIRE PARK PARK POSITION SWITCH PARK/NEUTRAL SG 1 PARK/NEUTRAL SIG (1) PPL RED WIRE RED/YEL WIRE SHIFT LOCK SOL CTRL SIG GND TRANSMISSION CONTROL MODULE TRANSMISSION INTERNAL MODE SWITCH TRANSMISSION MANUAL SHIFT SWITCH TRANSMISSION SHIFT LEVER TRANSMISSION SHIFT LOCK CONTROL SOLENOID ACTUATOR VIO/BLK WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE WHT/VIO WIRE YEL/BLU WIRE