Buick Regal V (2009-2013) ign Wiring diagrams

1 2 3 4 5 6 7 8 9 10 11 12 13 14 B+ GND 5 VOL REF ACC VOL FUSE VOLT SPLY ACC VOLT AUTOMATIC TRANSMISSION ASSEMBLY BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLU WIRE BLU/YEL WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BRAKE PEDAL POSITION SENSOR (MOUNTED TO TOP OF BRAKE PEDAL) BREAK APPLY SENSOR SIG BRN/YEL WIRE COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM 5985 2501 CONTROL SOLENOID DK BLU WIRE DRIVER INFORMATION CENTER (DIC) EARLY PRODUCTION LATE PRODUCTION FUSE FUSE 32 GMLAN SERIAL DATA BUS + GRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE HI SPD GMLAN SER DATA (+) HI SPD GMLAN SER DATA (+) HI SPD GMLAN SER DATA (-) HOT AT ALL TIMES HOT AT ALL TIMES UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) HOT W/ IGNITION RUN RELAY ENERGIZED IGN IGN 1 VOLT WAKEUP SERIAL DATA HI SPD GMLAN SER DATA (-) INSTRUMENT CLUSTER ISS ISS LOW HIGH LOGIC LOGIC GMLAN LOW REF NETWORK BUS 2 ORG/BLK WIRE OSS HIGH P/N PARK/ NEUTRAL SIG PC 1 SOLENOID PC 2 SOLENOID PC 3 SOLENOID PC 4 SOLENOID PC 5 SOLENOID PNK (OR VIO/BLK) (OR VIO/DK BLU) (OR BLK) WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PRESSURE CONTROL SOLENOID VALVE 1 PRESSURE CONTROL SOLENOID VALVE 2 PRESSURE CONTROL SOLENOID VALVE 3 PRESSURE CONTROL SOLENOID VALVE 4 PRESSURE CONTROL SOLENOID VALVE 5 RED WIRE RED/WHT (OR RED/LT GRN) WIRE RED/WHT WIRE SHIFT SOLENOID VALVE 1 SS 1 TAN WIRE TAN/BLK WIRE TAP UP/TAP DOWN SW SIG TCC SOLENOID TFP 1 TFP 3 TFP 4 TFP 5 TFT TORQUE CONVERTER CLUTCH PRESSURE CONTROL SOLENOID VALVE TRANSMISSION CONTROL MODULE TRANSMISSION FLUID PRESSURE SWITCH TRANSMISSION FLUID TEMPERATURE SENSOR TRANSMISSION INPUT SHAFT SPEED SENSOR TRANSMISSION INTERNAL MODE SWITCH TRANSMISSION MANUAL SHIFT SWITCH TRANSMISSION OUTPUT SHAFT SPEED SENSOR TRANSMISSION SHIFT LEVER TRANSMISSION SHIFT LEVER POSITION INDICATOR TRNS GND OSS RANGE LOW SIG P TRNS RANGE SIG A TRNS TRNS RANGE RANGE SIG C SIG B VALVE ASSEMBLY VIO/YEL WIRE WHT WIRE YEL WIRE

19 24 25 LOW REF SERIAL DATA - SERIAL DATA + 2500 2501 COMPUTER DATA LINES SYSTEM 6106 6105 COMPUTER DATA LINES SYSTEM 830 873 (OR 7064) 872 833 2500 2501 1903 (OR 7065) 885 884 LR WHEEL SPD SENS LOW REF LR WHEEL SPD SENS SIG ABS IND. ACCELERATION SENSOR BATTERY BLK WIRE BLK/BLU WIRE BLK/YEL WIRE BLU WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRAKE BOOSTER PUMP MOTOR RELAY (2.4L) (RIGHT FRONT WHEELWELL) BRAKE IND BRAKE PEDAL POSITION SENSOR (NEAR TOP OF ACCELERATOR PEDAL ASSEMBLY) BRAKE PRESSURE MODULATOR BRK APLY SEN SIG INT LMP SW SIG BRK SIG BRN WIRE COLUMN, BEHIND STEERING WHEEL) COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM (OR 7127) DRIVER INFORMATION CENTER DISPLAY ELECTRONIC BRAKE CONTROL MODULE ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) FUSE 16 FUSE 22 FUSE 41 FUSE 26 GRN WIRE GRN/BRN WIRE GRN/GRY WIRE GRY (OR BLU/WHT) WIRE GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/WHT (OR BLK/BLU) WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES IGN INSTRUMENT CLUSTER INSTRUMENT PANEL MULTI-FUNCTION SWITCH 2 LEFT FRONT WHEEL SPEED SENSOR (LEFT FRONT STEERING KNUCKLE ASSEMBLY) LF WHEEL SPD SENS SIG LF WHEEL SPD SENS LOW REF BRAKE FLUD LVL SENS SIG LOGIC LOW REF RR SENS SIG MOTOR CONTROL NCA WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/VIO WIRE RF WHEEL SPD SENS SIG LOW REF SERIAL DATA + SERIAL DATA - LF AAS WHEEL RIGHT FRONT WHEEL SPEED SENSOR (RIGHT FRONT STEERING KNUCKLE ASSEMBLY) RIGHT REAR WHEEL SPEED SENSOR (RIGHT REAR STEERING KNUCKLE ASSEMBLY) SENS SIG SERIAL DATA (-) SERIAL DATA (+) SPD SENS SIG STEERING WHEEL ANGLE SENSOR (STEERING SYSTEMS TRACTION CONTROL SWITCH TRACTION OFF IND VDC OFF IND VDC ON IND VIO WIRE VIO/WHT WIRE VOLTAGE W/ CONTINUOUSLY VARIABLE REAL TIME DAMPING CHASSIS W/O CONTINUOUSLY VARIABLE REAL TIME DAMPING CHASSIS W/O REAR PARKING ASSIST WHL SPD LF AAS WHT WIRE WHT/BLU WIRE YEL (OR RED/BLU) WIRE YEL WIRE

BLK WIRE BLK/YEL WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN/WHT WIRE EARLY PRODUCTION LATE PRODUCTION EMERGENCY IND EMERGENCY SWITCH FUSE 53 GERMANY MADE, EARLY PRODUCTION GREEN LED GRN/BLK WIRE GRN/WHT WIRE HOT W/ IGNITION RUN RELAY ENERGIZED IGN INSIDE REARVIEW MIRROR KEYPAD GREEN LED KEYPAD RED LED WIRE KEYPAD SIG KEYPAD SPLY VOLT LOGIC LOW REF SIG MIRROR DIMMING NCA WIRE ONSTAR IND ONSTAR SWITCH PHONE IND PHONE SWITCH RED LED WIRE SPLY VOLT TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE (INSTRUMENT PANEL, UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VIO/GRN WIRE YEL/BLK WIRE YEL/WHT WIRE

2500 2501 1134 COMPUTER DATA LINES SYSTEM AUTO BATTERY FUSE BLOCK (TOP OF BATTERY) BLK WIRE BLU WIRE BLU/BLK WIRE BLU/VIO WIRE BRN WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL, SOUND SYSTEMS DIMMER SWITCH EARLY PRODUCTION LATE PRODUCTION FOG LAMP SWITCH FRONT FOG LAMP IND FUSE GRN WIRE GRN/BRN WIRE GRN/GRY WIRE GROUND GRY/RED WIRE HEAD PARK HEADLAMP SWITCH HIGH BEAM LAMP IND HOT AT ALL TIMES IGN INSTRUMENT CLUSTER LEFT FRONT FOG LAMP LOGIC LOW SPD GMLAN SER DATA OFF PARK BRAKE CONTROL SWITCH PARK BRK APPLY SW SIG PARK BRK RELEASE SW SIG PARK BRK RELEASE SW VOL REF PARK BRK SW SPLY VOLT PARKING BRAKE CONTROL MODULE (BEHIND LEFT REAR WHEEL LINER) RED WIRE RIGHT FRONT FOG LAMP VIO/YEL WIRE WHT WIRE WHT/BRN WIRE YEL WIRE YEL/RED WIRE

1 2 RT HDLP LW BEAM SPLY VOLT LT HDLP LW BEAM SPLY VOLT 17 11 HDLP SW FLASH TO PASS SIG HDLP DIMMER SW HI BEAM SIG 18 10 HDLP HI BEAM RLY CTRL 2 3 B+ B+ 22 11 16 HDLP SW PARK LP SIG AIR CONDITIONING SYSTEM AMBIENT LIGHT SENS SIG AMBIENT LIGHT/ SUNLOAD SENSOR (CENTER OF DASH) AUTO OFF BLK WIRE BLU WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN WIRE BRN/BLK WIRE BRN/VIO WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL, SOUND SYSTEMS DIMMER SWITCH DRIVER INFOR- MATION CENTER DISPLAY LOGIC INSTRUMENT CLUSTER ENGINE COMPT) FOG LAMP RLY CTRL FOG LAMP SWITCH FRONT FOG LAMP IND FRONT FOG LAMP RELAY FTP FUSE FUSE 48 FUSE FUSE GRN WIRE GRN/BRN WIRE GRN/GRY WIRE GROUND GRY WIRE HDLP OFF SIG CTRL HDLP SW ON SIG HEAD HEADLAMP HIGH BEAM RELAY HEADLAMP SWITCH HIGH BEAM LAMP IND HIGH LOW HOT AT ALL TIMES HOT AT ALL TIMES BATTERY FUSE BLOCK (TOP OF BATTERY) HOT W/ IGNITION RUN RELAY ENERGIZED HS SPD GMLAN SER DATA- HS SPD GMLAN SER DATA+ HVAC CONTROL MODULE (BEHIND CENTER OF DASH, ON HVAC ASSEMBLY) IGN INSTRUMENT PANEL FUSE BLOCK (LOWER LEFT SIDE OF DASH) LEFT FRONT FOG LAMP LEFT HIGH BEAM HEADLAMP LEFT LOW BEAM HEADLAMP LIGHTING CTRL SW REF LIGHTING CTRL SW SIG LOW REF LOW SPD GMLAN SER DATA ORG/BLK WIRE PARK AUTO OFF HEAD PARK RED WIRE RED/BLK WIRE RIGHT FRONT FOG LAMP RIGHT HEADLAMP LEFT HEADLAMP RIGHT HIGH BEAM HEADLAMP RIGHT LOW BEAM HEADLAMP TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VIO/YEL WIRE WHT WIRE WHT/BRN WIRE YEL WIRE

2.0L 2.4L 2.4L 2.0L AUTOMATIC TRANSMISSION ASSEMBLY BODY CONTROL MODULE BRN/YEL WIRE CONTROL SOLENOID VALVE ASSEMBLY COOLING FAN LEFT HIGH SPEED RELAY COOLING FAN LEFT MEDIUM SPEED RELAY COOLING FAN LOW SPEED RELAY DK BLU (OR VIO/YEL) WIRE DK BLU (OR YEL) (OR VIO/YEL) WIRE ENGINE CONTROL MODULE FROM FUSE 45 (DIAGRAM 5 OF 6) FROM INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 2 OF 6) FROM UNDERHOOD FUSE BLOCK (DIAGRAM 2 OF 6) FUSE FUSE 42 GRN/VIO WIRE IGN IGNITION SWITCH KEY-IN IGNITION SWITCH LOGIC OFF ORG/BLK WIRE RED WIRE RED/WHT (OR RED) WIRE RED/WHT (OR RED/VIO) WIRE RED/WHT WIRE RUN WIRE TRANSMISSION CONTROL MODULE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UNDERHOOD RELAY BLOCK (2.0L: MOUNTED ON LEFT FRONT RADIATOR SUPPORT) VIO/BLK WIRE VIO/GRY (OR WHT/VIO) WIRE VIO/GRY WIRE WHT/BLK WIRE YEL WIRE

5-V 1 REF 5-VOLT 2 REF ACTUATOR HI CTRL ACTUATOR LOW CTRL BLK WIRE BLU WIRE BRN WIRE BRN/WHT WIRE CAMSHAFT POS INTAKE COMPUTER DATA LINES SYSTEM CRANKSHAFT SENS SIG CTRL CYLINDER 1 CTRL CYLINDER 2 CTRL CYLINDER 3 CTRL CYLINDER 4 DATA DK BLU WIRE DRIVER INFORMATION CENTER (DIC) EARLY PRODUCTION ECT SENS SIG ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) ENGINE OIL IND ENGINE OIL PRESSURE SWITCH EXHAUST SENS (1) EXHAUST SOL (1) GMLAN GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/RED WIRE HIGH PRESSURE FUEL PUMP (LEFT REAR OF ENGINE) IC CTRL (1) IC CTRL (2) IC CTRL (3) IC CTRL (4) IGN IGNITION COIL 1 IGNITION COIL 2 IGNITION COIL 3 IGNITION COIL 4 INSTRUMENT PANEL CLUSTER (IPC) INTAKE SOL (1) LATE PRODUCTION LOGIC LOW REF MALFUNCTION IND LAMP (MIL) NCA WIRE OIL PRESS SW SIG ORG/ WIRE ORG/WHT WIRE PNK/BLK WIRE SERIAL SERIAL GMLAN SPARK PLUG TO IGNITION COIL 4, CAMSHAFT POSITION SENSOR - EXHAUST) VIO WIRE VIO/BLK WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/VIO WIRE

5-V 1 REF 5-VOLT 2 REF ACTU HI CTRL ACTU LOW CTRL BLK WIRE BLK/BRN WIRE BLK/DK BLU WIRE BLK/GRY WIRE BLK/LT GRN WIRE BLK/VIO WIRE BRN WIRE BRN/WHT WIRE CAM POS INTAKE COMPUTER DATA LINES SYSTEM CRANK SENS SIG CTRL CYLINDER 1 CTRL CYLINDER 2 CTRL CYLINDER 3 CTRL CYLINDER 4 DATA DK BLU (OR YEL) WIRE DK BLU WIRE DK BLU/ LT GRN WIRE DK BLU/BLK WIRE DK BLU/PPL WIRE DK BLU/VIO WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT (OR YEL/ WIRE DK GRN/WHT WIRE DRIVER INFORMATION CENTER (DIC) EARLY PRODUCTION ECT SENS SIG ENGINE COMPT) ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) ENGINE OIL IND ENGINE OIL PRESSURE SWITCH (REAR OF ENGINE) EXH SENS (1) EXHAUST SOL (1) GRN WIRE GRY/DK BLU WIRE HIGH PRESSURE FUEL PUMP (LEFT REAR OF ENGINE) IC CTRL (1) IC CTRL (2) IC CTRL (3) IC CTRL (4) IGN IGNITION COIL 1 IGNITION COIL 2 IGNITION COIL 3 IGNITION COIL 4 INSTRUMENT PANEL CLUSTER (IPC) INTAKE SOL (1) LATE PRODUCTION LOGIC LOW REF LT GRN WIRE LT GRN/DK BLU WIRE MALFUNCTION IND LAMP (MIL) NCA WIRE OIL PRESS SW SIG SERIAL GMLAN SPARK PLUG VIO WIRE VIO/BLK WIRE VIO/BRN WIRE VIO/DK BLU (OR PNK/BLK) WIRE VIO/DK BLU WIRE VIO/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/DK BLU WIRE YEL/VIO WIRE