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

1850 1541 7574 7573 (OR 5486) 65 67 A/C COMPRESSOR SOLENOID VALVE (LEFT FRONT OF ENGINE) BLK WIRE BLOWER MTR SPD CTRL BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/RED WIRE BRN/VIO WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM COOLING FAN HIGH SPEED RELAY COOLING FAN LOW SPEED RELAY COOLING FAN RELAY COOLING FAN SPEED CONTROL RELAY DEFOGGER SYSTEM FUSE FUSE 42 GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE GRY/GRN WIRE HOT AT ALL TIMES HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED HUMIDITY SENS SIG TWILIGHT SENTINEL DELAY SIG HVAC CONTROL MODULE (BEHIND CENTER OF DASH, ON HVAC ASSEMBLY) INSIDE AIR TEMP SENS SIG HUMIDITY TEMP SENS SIG 5-VOLT REF INSIDE MOISTURE SENSOR (FRONT CENTER OF ROOF) LEFT FRONT OF ENGINE COMPT, UNDER FRONT OF BATTERY TRAY) LINEAR INTERCONNECT NETWORK BUS 9 LOGIC LOW REF OF ENGINE COMPT) REAR DEFOG RLY CTRL RED/BLU WIRE RED/WHT WIRE SOLAR SENS DRV SIG UNDERHOOD FUSE BLOCK (LEFT SIDE VIO/BLU WIRE VIO/BRN WIRE WINDSCREEN TEMP SENS SIG WINDSHIELD TEMPERATURE, YEL WIRE YEL/BLU WIRE YEL/VIO WIRE

A/C REQUEST IND A/C REQUEST SWITCH AMBIENT LIGHT/ SUNLOAD SENSOR (CENTER OF DASH) ANTI-THEFT SYSTEM HEADLIGHTS SYSTEM AUTO BLK WIRE BLU WIRE BLU/GRY WIRE BLU/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DEFROST IND IND DEFROST SWITCH SWITCH DISPLAY ENGINE COOLANT TEMPERATURE GAUGE FRONT AIR OUTLET IND FRONT AIR OUTLET SWITCH GRN WIRE GRN/WHT WIRE GRY WIRE HVAC CONTROLS INSTRUMENT CLUSTER LOGIC LOWER AIR OUTLET IND LOWER AIR OUTLET SWITCH MODE SWITCH RECIRCULATION IND RECIRCULATION SWITCH RED/BLU WIRE TEMPERATURE CONTROL SWITCH UPPER AIR OUTLET IND UPPER AIR OUTLET SWITCH WHT WIRE YEL/VIO WIRE

1850 1541 7574 7573 (OR 5486) 65 67 A/C COMPRESSOR SOLENOID VALVE (LEFT FRONT OF ENGINE) BLK WIRE BLK/GRN (OR GRN/BLK) WIRE BLK/GRN WIRE BLOWER MTR SPD CTRL BLU/BRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN WIRE BRN/BLK WIRE BRN/RED WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM COOLING FAN LOW SPEED RELAY COOLING FAN SPEED CONTROL RELAY DEFOGGER SYSTEM DK BLU (OR BRN/YEL) WIRE DK BLU WIRE DK GRN (OR LT GRN/VIO) WIRE DK GRN WIRE FUSE 42 FUSE 45 FUSE 46 GRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE GRY/GRN WIRE HOT AT ALL TIMES HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED HUMIDITY SENS SIG TWILIGHT SENTINEL DELAY SIG HVAC CONTROL MODULE (BEHIND CENTER OF DASH, ON HVAC ASSEMBLY) INSIDE AIR TEMP SENS SIG HUMIDITY TEMP SENS SIG 5-VOLT REF INSIDE MOISTURE SENSOR (FRONT CENTER OF ROOF) LEFT COOLING FAN HIGH SPEED RELAY LEFT FRONT OF ENGINE COMPT, UNDER FRONT OF BATTERY TRAY) LEFT FRONT STRUT TOWER) LINEAR INTERCONNECT NETWORK BUS 9 LOGIC LOW REF OF ENGINE COMPT) PNK WIRE REAR DEFOG RLY CTRL RED/BLU WIRE RED/WHT WIRE RED/YEL (OR WHT/BLU) WIRE RED/YEL WIRE RIGHT HEADLAMP ASSEMBLY SOLAR SENS DRV SIG TAN WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE VIO/BRN WIRE WINDSCREEN TEMP SENS SIG WINDSHIELD TEMPERATURE, YEL/VIO WIRE

A/C REQUEST IND A/C REQUEST SWITCH AMBIENT LIGHT/ SUNLOAD SENSOR (CENTER OF DASH) ANTI-THEFT SYSTEM HEADLIGHTS SYSTEM AUTO BLK WIRE BLU/GRY WIRE BLU/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DEFROST IND IND DEFROST SWITCH SWITCH DISPLAY DK BLU WIRE DK GRN WIRE ENGINE COOLANT TEMPERATURE GAUGE FRONT AIR OUTLET IND FRONT AIR OUTLET SWITCH GRN WIRE GRN/WHT (OR GRN/YEL) WIRE GRN/WHT WIRE GRY WIRE HVAC CONTROLS INSTRUMENT CLUSTER LOGIC LOWER AIR OUTLET IND LOWER AIR OUTLET SWITCH MODE SWITCH RECIRCULATION IND RECIRCULATION SWITCH RED/BLU WIRE TEMPERATURE CONTROL SWITCH UPPER AIR OUTLET IND UPPER AIR OUTLET SWITCH WHT WIRE YEL/VIO 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

1 2 BATTERY POSITIVE VOLTAGE GROUND 1317 6188 6311 1970 1541 (OR 5486) 14 15 16 17 18 19 20 21 22 23 24 25 26 RUN IGNITION 3 VOLTAGE 1524 (OR 1040) 5 VOLT REFERENCE TRACTION CONTROL SW SIG (1) 5381 (OR 5359) 1788 6136 (OR 1040) 6816 7554 974 (OR 1040) AIR CONDITIONING SYSTEM AMBIENT LIGHT SENSOR SIG TAP UP/TAP DOWN SW SIG ANTI-THEFT SYSTEM EXTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM BATT POS VOLT BATTERY POSITIVE VOLTAGE BLK WIRE BLK/BLU WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRAKE APPLY SENSOR SIG LED BACKLIGHT DIMMING CTRL BRN WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM ELECTRONIC SUSPENSION SYSTEM HEADLIGHTS SYSTEM HORNS SYSTEM DOOR LOCKS SYSTEM EXTERIOR LIGHTS SYSTEM DOOR LOCKS SYSTEM EXTERIOR LIGHTS SYSTEM ANTI-LOCK BRAKES SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM FR WIPER SW HI SIG FUSE FUSE 3 FUSE 8 FUSE FUSE GRN WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/WHT WIRE GROUND GRY WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/WHT WIRE GRY/YEL WIRE HDLP SW HDLP OFF SIG CTRL HDLP SW ON SIG HAZARD LED DIMMING SIG HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM TRANSMISSIONS SYSTEM HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK (LOWER LEFT SIDE OF DASH) FUSE 2 FUSE INTERIOR LAMP DEFEAT SW SIG INTERIOR LIGHTS SYSTEM SHIFT INTERLOCK SYSTEM LIGHTING CTRL SWITCH SIG LOW REFERENCE LOW REFERENCE RR STOP LAMP SPLY VOLT SPORT MODE IND SIG ORG/ WIRE ORG/BLK WIRE RED/WHT WIRE REMOTE FUNC ACT RECEIVE SIG REMOTE FUNCTION ACT RTN STARTING/CHARGING SYSTEM EXTERIOR LIGHTS SYSTEM ELECTRONIC SUSPENSION SYSTEM VIO WIRE VIO/BRN WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/VIO WIRE WHT/YEL WIRE WIPER/WASHER SYSTEM YEL WIRE YEL/GRN WIRE

2.0L 2.4L ACC VOLT AUTOMATIC TRANSMISSION ASSEMBLY (2.4L) BLK WIRE BLU WIRE BRN WIRE CONTROL SOLENOID VALVE ASSEMBLY DATA LINK CONNECTOR (LEFT SIDE OF DASH) DATA LINK RESISTOR (INSTRUMENT CLUSTER) DK BLU WIRE EARLY PRODUCTION ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) FUSE 14 (LOWER LEFT SIDE OF DASH) GRN WIRE GRN/BLU WIRE GRN/VIO WIRE GRN/WHT WIRE GRY WIRE HI SPD DATA + HOT AT ALL TIMES HVAC CONTROLS INFO DISPLAY MODULE INSTRUMENT PANEL FUSE BLOCK LEFT REAR WINDOW SWITCH LO SPD GMLAN SERIAL DATA LOGIC MID SPD GMLAN SERIAL DATA + MULTI-AXIS ACCELERATION SENSOR (UNDER CENTER CONSOLE BETWEEN FRONT SEATS) NETWORK BUS NETWORK BUS 1 NETWORK BUS 10 NETWORK BUS 2 NETWORK BUS 4 NETWORK BUS 9 RADIO RADIO CONTROL MULTI-FUNCTION SWITCH RADIO CONTROLS ASSEMBLY RED/VIO (OR RED/WHT) WIRE RED/VIO WIRE RIGHT REAR WINDOW SWITCH STEERING WHEEL ANGLE SENSOR (STEERING COLUMN BEHIND STEERING WHEEL) SUNROOF MOTOR (IF EQUIPPED) (FRONT CENTER OF ROOF) TAN WIRE TAN/BLK WIRE TRANSMISSION CONTROL MODULE (2.0L) TRANSMISSION SHIFT LEVER POSITION INDICATOR W/ INFOTAINMENT DISPLAY COLOR INFO DISPLAY W/ INFOTAINMENT DISPLAY GRAPHIC INFO DISPLAY WAKE UP SERIAL DATA WAKEUP SERIAL DATA ACC VOLT WHT WIRE WHT/BLK WIRE YEL WIRE

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

1 21 3 GND SECURITY INDICATOR CTRL BATT POSITIVE VOLT 4 6 NETWORK 3 LF DR AJAR SW SIG ACTUATOR RECEIVE SIG REMOTE FUNCTION ACTUATOR SPLY VOLT REMOTE FUNCTION ACTUATOR TRANSMIT SIG ACTUATOR TRANSMIT SIG REMOTE FUNCTION AIR CONDITIONING SYSTEM AMBIENT LIGHT/ SUNLOAD SENSOR (CENTER OF DASH) BLK WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN WIRE BRN/BLK WIRE BRN/DK GRN WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DR LOCK ACTUATOR LOCK 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/WHT WIRE HEADLIGHTS SYSTEM HI BEAM RLY HOOD AJAR SW SIG HORN RLY HORNS SYSTEM HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK (LOWER LEFT SIDE OF DASH) HVAC CONTROL MODULE (BEHIND CENTER OF DASH, ON HVAC ASSEMBLY) INSTRUMENT CLUSTER INSTRUMENT PANEL MULTIFUNCTION SWITCH 1 LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR WINDOW SWITCH LO SPD SERIAL DATA LOGIC LOGIC DRIVER WINDOW SWITCH LOW REF LR DOOR AJAR SW SIG LT BLU/WHT WIRE NETWORK 3 NETWORK BUS 4 PASSENGER COMPARTMENT) PASSENGER DOOR LATCH ASSEMBLY PASSENGER WINDOW MOTOR (FRONT PASSENGER'S DOOR) REAR COMPARTMENT LID LATCH (IN TRUNK LID) REMOTE FUNCTION ACTUATOR RTN RF DR AJAR SW SIG RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR WINDOW SWITCH RR DOOR AJAR SW SIG SECURITY INDICATOR VIO/GRY WIRE WHT/RED WIRE WHT/VIO WIRE YEL/LT GRN WIRE

3 2 1 IMMOBILIZER SPLY VOLT LINEAR INTERCONNECT BATT POSITIVE VOLT BLK WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN/DK GRN WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER (DIC) DISPLAY ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) FUSE GMLAN SERIAL DATA GRN WIRE GRY WIRE HOOD AJAR SW SIG HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK (LOWER LEFT SIDE OF DASH) HS GMLAN - IMMOBILIZER CONTROL MODULE (STEERING COLUMN BEHIND STEERING WHEEL) IMMOBIZER SPLY VOLT INSTRUMENT CLUSTER LINEAR INTERCONNECT LO SPD SERIAL DATA LOGIC LOW REFERENCE LT GRN/WHT WIRE NETWORK 11 NETWORK 11 LOW REFERENCE RED/YEL WIRE SECURITY INDICATOR SRL DATA TAN WIRE WHT/BLK WIRE