Buick Regal V (2009-2013) (behind left side of dash, right of cluster) Wiring diagrams

BATT POS VOLT BLK WIRE BLU WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) COMPARTMENT LAMP COMPT) COMPUTER DATA LINES SYSTEM COURTESY LAMP COURTESY LP SW SIG DRIVER DOOR COURTESY FUSE FUSE GRN/GRY WIRE GRN/RED WIRE GROUND GRY WIRE GRY/GRN WIRE GRY/VIO WIRE HOT AT ALL TIMES HS SPD GMLAN SER DATA (+) INADVERTENT PWR CTRL INSTRUMENT PANEL INSTRUMENT PANEL FUSE BLOCK FUSE (LOWER LEFT SIDE OF DASH) INTR LP CTRL INTR LP DEFEAT SW SIG LAMP LED AMBIENT LIGHTING CTRL 1 LEFT SUNSHADE NCA WIRE ORG/ WIRE ORG/BLK WIRE OVERHEAD CONSOLE DOME/ READING LAMPS PASSENGER COMPARTMENT) PASSENGER DOOR COURTESY REAR COMPARTMENT LID LATCH (IN TRUNK LID) REAR COMPT AJAR SW SIG REAR DOME READING LAMPS RIGHT INSTRUMENT PANEL RIGHT SUNSHADE TRUNK LP CTRL VIO/GRY WIRE WHT WIRE WHT/YEL 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

28 (OR 3287) BATTERY FUSE BLOCK (TOP OF BATTERY) BLK WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BRN WIRE BRN/GRY WIRE BRN/WHT WIRE FUSE 5 FUSE 51 GROUND DISTRIBUTION SYSTEM HORN ASSEMBLY (LEFT FRONT WHEEL WELL) HORN RLY CTRL HORN RLY CTRL (OR) HORN SW SIG HORN SWITCH HOT AT ALL TIMES PNK WIRE RED WIRE RIGHT STEERING WHEEL CONTROL SWITCH STEERING WHEEL AIR BAG COIL UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) HORN RELAY

"CHECK ENGINE" IND CTRL ABS IND. AIR BAG IND AMBIENT AIR TEMPERATURE SENSOR BATT POSITIVE VOLT BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLU WIRE BRAKE IND BRN/WHT WIRE CHARGING IND COMPUTER DATA LINES SYSTEM CRUISE IND DRIVER INFORMATION CENTER (DIC) DISPLAY DRIVER INFORMATION CENTER SELECT MENU SW SIG ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE GAUGE ESC OFF IND FOG LAMPS IND FUEL GAUGE FUSE 23 FUSE 52 GRN WIRE GRN/WHT WIRE GRY WIRE HIGH BEAM IND HOT AT ALL TIMES HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK FUSE 21 (LOWER LEFT SIDE OF DASH) HOT W/ IGN RUN RELAY ENERGIZED INSTRUMENT CLUSTER LEFT TURN IND LIGHTS ON IND LO REF LO SPD GMLAN SERIAL DATA LO SPD GMLAN SERIAL DATA LOGIC LOW FUEL WARNING LAMP IND LOW TIRE PRESSURE IND LOW WASH FLUID IND CTRL MALFUNCTION IND MENU OIL LEVEL IND ORG/ WIRE PARK IND PARK LAMPS IND RED WIRE RED/GRY WIRE RIGHT TURN IND SEAT BELT IND SECURITY IND SERVICE PARKING BRAKE IND SET/CLR SPEEDOMETER TACHOMETER TCS OFF IND TCS/ECS IND TURN SIGNAL/ MULTIFUNCTION SWITCH UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VIO WIRE VIO/YEL WIRE WHT WIRE WIPER/WASHER SYSTEM YEL WIRE

1 2 NETWORK BUS 4 RR DOOR AJAR SW SIG 2 1 LR DOOR AJAR SW SIG NETWORK BUS 4 2.0L 25 26 FUEL LVL LOW REF 39 40 SERIAL DATA (+) SERIAL DATA (-) 4 6 NETWORK BUS 3 RF DOOR AJAR SW SIG 5986 333 SERIAL DATA BRK FLUID LVL 6 4 LF DOOR AJAR SW SIG NETWORK BUS 3 9 5 NETWORK BUS 2 A/T ACC VOLT RLY COIL CTRL BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLU/VIO WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRAKE FLUID LEVEL SWITCH (ON BRAKE FLUID RESERVOIR) BRN WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DRIVER DOOR LATCH ASSEMBLY DRIVER WINDOW MOTOR (DRIVER'S DOOR) EARLY PRODUCTION LATE PRODUCTION ELECTRONIC BRAKE CONTROL MODULE ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) ENGINE CONTROLS SYSTEM ENGINE OIL LEVEL SWITCH (LEFT SIDE ENGINE OIL PRESSURE SWITCH (2.0L: LEFT REAR OF ENGINE) (2.4L: REAR OF ENGINE) FRONT PASSENGER WINDOW MOTOR (FRONT PASSENGER'S DOOR) FUEL PUMP/ SENDER ASSEMBLY (IN FUEL TANK) GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRY WIRE LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR WINDOW SWITCH LOGIC NETWORK BUS 2 OF OIL PAN) OIL LVL SW SIG OIL PRESS SW SIG ORG/ WIRE PASSENGER DOOR LATCH ASSEMBLY POWER DISTRIBUTION SYSTEM REAR COMPARTMENT LID LATCH (IN TRUNK LID) REAR COMPT AJAR SW SIG 1 SERIAL DATA RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR WINDOW SWITCH SERIAL DATA SUPPLY VOLT TAN/BLK WIRE TRANSMISSION SHIFT LEVER POSITION INDICATOR VIO/GRY WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE

22 5 HDLP SW PARK LP SIG IND DIMM CTRL 23 24 HS SPD GMLAN- HS SPD GMLAN+ 2501 2500 COMPUTER DATA LINES SYSTEM AUTO BATT + BLK WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BUS - BUS 10 BUS 2 BUS 4 COMPUTER DATA LINES SYSTEM DOME/ READING LAMPS DRIVER WINDOW SWITCH EARLY PRODUCTION LATE PRODUCTION FUSE GRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/VIO WIRE HEAD HEADLAMP SWITCH HOT AT ALL TIMES HVAC CONTROLS INSTRUMENT CLUSTER INSTRUMENT PANEL ACCESSORY POWER RECEPTACLE INSTRUMENT PANEL FUSE BLOCK (LOWER LEFT SIDE OF DASH) INSTRUMENT PANEL MULTI-FUNCTION SWITCH 1 INSTRUMENT PANEL MULTI-FUNCTION SWITCH 2 LED BACKLIGHT DIMM CONTROL LEFT REAR WINDOW SWITCH LEFT STEERING WHEEL CONTROL SWITCH LOGIC NET WORK NET WORK BUS 3 NET WORK BUS 4 NET WORK BUS 9 LOGIC OFF OVERHEAD CONSOLE PARK PARK BRAKE CONTROL SWITCH (ON PARK BRAKE ASSEMBLY) PARKING ASSIST ON/OFF SWITCH PASSENGER COMPARTMENT) PASSENGER WINDOW SWITCH OUTSIDE REARVIEW MIRROR SWITCH PNK WIRE RADIO CONTROL MULTI-FUNCTION SWITCH RADIO CONTROLS REAR DOME READING LAMPS RIGHT REAR WINDOW SWITCH RIGHT STEERING WHEEL CONTROL SWITCH SERIAL DATA LOGIC SPORT STEERING WHEEL AIR BAG COIL SUNROOF SWITCH (IF EQUIPPED) SUNROOF TILT SWITCH TOUR TRANSMISSION SHIFT LEVER POSITION INDICATOR W/ ELECTRONIC SUSPENSION WHT WIRE YEL WIRE

15 16 (NOT USED) (NOT USED) 8 9 10 11 12 REAR PARK ASSIST DISABLE SIG CEN AMBER IND CTRL BLK WIRE BLK/WHT WIRE BRN/WHT WIRE BRN/WHT YEL/VIO WIRE COMPUTER DATA LINES SYSTEM DK GRN WIRE DK GRN/BRN WIRE DRIVER INFORMATION CENTER (DIC) DISPLAY FUSE 5 GERMAN MADE GRN WIRE GROUND GRY/BLU WIRE GRY/DK GRN WIRE GRY/GRN WIRE GRY/WHT WIRE GRY/YEL WIRE HOT W/ BATTERY SAVER RELAY 1 ENERGIZED INSTRUMENT PANEL FUSE BLOCK (LOWER LEFT SIDE OF DASH) LEFT MIDDLE REAR OBJECT SENSOR (LEFT MIDDLE OF REAR BUMPER) LEFT OUTER REAR OBJECT SENSOR (LEFT SIDE OF REAR BUMPER) LO SPD GMLAN SERIAL DATA LOGIC INSTRUMENT CLUSTER LOW REF PARKING ASSIST ON/OFF SWITCH REAR PARK ASSIST DISABLE SWITCH REAR PARKING ASSIST CONTROL MODULE (LEFT REAR OF LUGGAGE COMPT) REAR PARKING ASSIST RED IND CTRL WIRE RED WIRE RED/VIO WIRE RIGHT MIDDLE REAR OBJECT SENSOR (RIGHT MIDDLE SIDE OF REAR BUMPER) RIGHT OUTER REAR OBJECT SENSOR (RIGHT SIDE OF REAR BUMPER) WHT WIRE YEL WIRE YEL/DK BLU WIRE YEL/VIO WIRE YEL/WHT WIRE

120 VAC PHASE A ACCESSORY POWER RECEPTACLE ACCESSORY POWER RECEPTACLE CENTER CONTROL ACCESSORY POWER RECEPTACLE INSTRUMENT PANEL B+ 120 VAC PHASE B BLK WIRE BLOWER MOTOR CONTROL MODULE BLU/BRN WIRE BLU/WHT (OR RED/WHT) WIRE BODY CONTROL MODULE BRN/YEL (OR VIO) WIRE BRN/YEL (OR VIO/YEL) WIRE BRN/YEL WIRE CIRCUIT BREAKER 12 CIRCUIT BREAKER 13 DC/AC POWER INVERTER MODULE (RIGHT REAR OF FLOOR CONSOLE) FROM FUSE 19 (DIAGRAM 2 OF 6) FROM UNDERHOOD 1340 5684 FUSE BLOCK (DIAGRAM 1 OF 6) FUSE 10 FUSE 6 FUSE 7 FUSE FUSE FUSE FUSE 25 FUSE FUSE FUSE GND 120 VAC GRY WIRE GRY/VIO WIRE INSTRUMENT PANEL FUSE BLOCK (LOWER LEFT SIDE OF DASH) INVERTER CTRL LATE PRODUCTION ORG/ WIRE ORG/BLK WIRE PASSENGER DRIVER SEAT SEAT ADJUSTER ADJUSTER SWITCH SWITCH REAR COMPARTMENT LID UNLATCH RELAY (GERMANY MADE) RED/BLU WIRE RED/GRN WIRE RED/VIO (OR RED/GRN) WIRE RED/VIO WIRE RED/WHT (OR RED/GRY) WIRE RED/WHT WIRE RETAINED ACCESSORY POWER RELAY TELEMATICS COMMUNICATIONS INTERFACE CONTROL MODULE TO FUSE 18 (DIAGRAM 5 OF 6) TO INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 5 OF 6) TRANSMISSION SHIFT LEVER VIO/RED (OR VIO) WIRE W/ 2 WAY ADJUSTABLE SEAT W/ 8 WAY ADJUSTABLE SEAT W/ FRONT CONSOLE REAR 110 VOLT YEL WIRE

2.0L 2.4L 2.4L 2.0L BATTERY SAVER RELAY 1 BLK WIRE BODY CONTROL MODULE COOLING FAN HIGH SPEED RELAY COOLING FAN LOW SPEED RELAY COOLING FAN RIGHT MEDIUM SPEED RELAY FROM FROM FUSE 14 (DIAGRAM 3 OF 6) FROM FUSE 25 (DIAGRAM 4 OF 6) FRONT FOG LAMP RELAY FUSE FUSE 1 10 FUSE 4 FUSE 5 GRY/VIO WIRE HEADLAMP HORN HIGH BEAM RELAY RELAY HEADLAMP LOW BEAM RELAY HIGH INTENSITY DISCHARGE HEADLAMPS INFO REAR DISPLAY PARKING MODULE ASSIST CONTROL MODULE (IF EQUIPPED) INSTRUMENT PANEL FUSE BLOCK (LOWER LEFT SIDE OF DASH) MULTI- MEDIA PLAYER INTERFACE MODULE (IF EQUIPPED) RADIO RADIO CONTROL MULTI-FUNCTION SWITCH RADIO CONTROLS REAR DEFOGGER RELAY RED WIRE RED/BRN WIRE RED/GRN WIRE RED/VIO (OR RED/GRN) WIRE RED/WHT (OR RED/GRN) WIRE RED/WHT WIRE SUSPENSION CONTROL MODULE TO FUSE 1 (DIAGRAM 6 OF 6) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UNDERHOOD RELAY BLOCK (2.0L: MOUNTED ON LEFT FRONT RADIATOR SUPPORT) VIO/DK BLU WIRE W/ CONSOLE INFOTAINMENT REDUNDANT CONTROLS WINDSHIELD WASHER PUMP RELAY WINDSHIELD WINDSHIELD WIPER WIPER RELAY SPEED CONTROL RELAY

1 21 GND SECURITY INDICATOR CTRL 19 18 HORN RLY HI BEAM RLY 4 6 NETWORK 3 LF DR AJAR SW SIG ACTUATOR RECEIVE SIG REMOTE FUNCTION ACTUATOR SPLY VOLT REMOTE FUNCTION ACTUATOR TRANSMIT SIG AIR CONDITIONING SYSTEM AMBIENT LIGHT/ SUNLOAD SENSOR (CENTER OF DASH) BATT POSITIVE VOLT BLK WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BREAKOUT TO WINDOW MOTOR) BRN WIRE BRN/BLK WIRE BRN/DK GRN WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CHILD SECURITY CHILD SECURITY LK MTR STATUS SIG LH REAR CHILD SECURITY LK MTR STATUS SIG RH REAR CHILD SECURITY LK RLY CTRL COMPUTER DATA LINES SYSTEM DR LOCK ACTUATOR LOCK CTRL DR LOCK ACTUATOR LOCK CTRL 2 DR LOCK ACTUATOR UNLOCK CTRL DRIVER DOOR LATCH ASSEMBLY DRIVER INFORMATION CENTER (DIC) DISPLAY DRIVER WINDOW MOTOR (DRIVER'S DOOR) DRV DR LOCK MTR STS CTRL DRV DR LOCK SW LOCK SIG DRV DR LOCK SW UNLCK SIG FUEL DOOR LOCK ACTUATOR (RIGHT REAR WHEEL WELL NEAR FUEL DOOR) FUSE GMLAN SERIAL DATA GRN WIRE GRN/WHT WIRE GROUND GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/WHT WIRE HOOD AJAR SW SIG HOOD AJAR SWITCH (FRONT OF ENGINE COMPT) HORNS SYSTEM HEADLIGHTS SYSTEM HOT AT ALL TIMES HVAC CONTROL MODULE (BEHIND CENTER OF DASH, ON HVAC ASSEMBLY) INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK (LOWER LEFT SIDE OF DASH) INSTRUMENT PANEL MULTIFUNCTION SWITCH 1 LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR WINDOW SWITCH LO SPD SERIAL DATA LOCK DISABLE RELAY LOGIC DRIVER WINDOW SWITCH LOGIC SECURITY IND LOW REF LR DOOR AJAR SW SIG LT BLU/WHT WIRE NETWORK 3 NETWORK BUS 4 PASSENGER COMPARTMENT) PASSENGER DOOR (FLOOR AT RIGHT "B" PILLAR, FURTHEST LATCH ASSEMBLY PASSENGER WINDOW MOTOR (FRONT PASSENGER'S DOOR) REAR COMPARTMENT LID LATCH (IN TRUNK LID) REAR COMPT AJAR SW SIG 1 REMOTE FUNCTION REMOTE FUNCTION ACTUATOR RTN RF DR AJAR SW SIG RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR WINDOW SWITCH RR DOOR AJAR SW SIG VIO/GRY WIRE VIO/YEL WIRE WHT/BLU WIRE WHT/VIO WIRE YEL/LT GRN WIRE