Buick Regal V (2009-2013) (radiator support, left of radiator) Wiring diagrams

BLK WIRE BLU WIRE BLU/GRY WIRE BLU/WHT WIRE BRN WIRE BRN/YEL WIRE COOLING FAN SPEED CONTROL 2 RELAY GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRY WIRE LEFT COOLING FAN MEDIUM SPEED RELAY LEFT COOLING FAN MOTOR (BEHIND LEFT SIDE OF RADIATOR) RED/BLU WIRE RED/WHT WIRE RIGHT COOLING FAN MEDIUM SPEED RELAY RIGHT COOLING FAN MOTOR (BEHIND RIGHT SIDE OF RADIATOR) UNDERHOOD RELAY BLOCK (MOUNTED ON LEFT FRONT RADIATOR SUPPORT) VIO/BLU WIRE WHT/BLU WIRE YEL WIRE YEL/VIO WIRE

24 8 SENS LO REF ENG TEMP SENS SIG 2501 2500 COMPUTER DATA LINES SYSTEM 40 39 GMLAN SERIAL DATA (-) GMLAN SERIAL DATA (+) 52 42 59 BATT + VOLT HI SPD FAN RLY CTRL LO SPD FAN RLY CTRL BLK WIRE BLK/WHT WIRE BLU 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 2 RELAY COOLING FAN SPEED CONTROL RELAY ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) ENGINE COOLANT TEMPERATURE GAUGE ENGINE COOLANT TEMPERATURE SENSOR (RIGHT REAR OF ENGINE) FUSE FUSE 2 FUSE 42 FUSE 45 GRN WIRE GRN/BLK WIRE GRY WIRE HOT AT ALL TIMES HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED INSTRUMENT CLUSTER LEFT COOLING FAN MEDIUM SPEED RELAY LEFT COOLING FAN MOTOR (BEHIND LEFT SIDE OF RADIATOR) LEFT FRONT OF ENGINE COMPT, UNDER FRONT OF BATTERY TRAY) LOGIC OF ENGINE COMPT) OF RADIATOR) RED/WHT WIRE RIGHT COOLING FAN MEDIUM SPEED RELAY RIGHT COOLING FAN MOTOR (BEHIND RIGHT SIDE OF RADIATOR) TAN WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE UNDERHOOD RELAY BLOCK (MOUNTED ON LEFT FRONT RADIATOR SUPPORT) VIO/BLU WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL 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

24 8 LO REF ENG TEMP SENS SIG 2501 2500 COMPUTER DATA LINES SYSTEM 40 39 GMLAN SERIAL DATA (-) GMLAN SERIAL DATA (+) BATT + VOLT LO SPD FAN RLY CTRL HI SPD FAN RLY CTRL BLK WIRE BLK/GRN (OR GRN/BLK) WIRE BLK/GRN WIRE BLK/WHT WIRE COMPUTER DATA LINES SYSTEM COOLING FAN LOW SPEED RELAY COOLING FAN SPEED CONTROL RELAY DK BLU (OR BRN/YEL) WIRE DK BLU WIRE DK GRN WIRE ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) ENGINE COOLANT TEMPERATURE SENSOR (RIGHT REAR OF ENGINE) ENGINE LOGIC COOLANT TEMPERATURE GAUGE FUSE 2 FUSE 42 FUSE 45 FUSE 46 GRN WIRE GRN/VIO WIRE GRY WIRE HOT AT ALL TIMES HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED INSTRUMENT CLUSTER LEFT COOLING FAN HIGH SPEED RELAY LEFT COOLING FAN MOTOR (BEHIND LEFT SIDE OF RADIATOR) LEFT FRONT OF ENGINE COMPT, UNDER FRONT OF BATTERY TRAY) OF ENGINE COMPT) RED/GRN WIRE RED/WHT WIRE RED/YEL (OR WHT/BLU) WIRE RED/YEL WIRE RIGHT COOLING FAN MOTOR (BEHIND RIGHT SIDE OF RADIATOR) RIGHT HEADLAMP ASSEMBLY TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE 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

BATTERY BODY CONTROL MODULE BATTERY CURRENT SENSOR BLK WIRE COOLING FAN RELAY COOLING FAN SPEED CONTROL RELAY DIODE DIODE ENGINE COMPT) IGNITION IGNITION COIL 4 IGNITION IGNITION IGNITION COIL 1 COIL 2 COIL 3 LATE PRODUCTION LEFT LEFT FRONT OF ENGINE COMPT, UNDER FRONT OF BATTERY TRAY) LEFT HEADLAMP LEFT HEADLAMP ASSEMBLY LEFT HEADLAMP BALLAST LEFT LEFT FRONT PARK/TURN LOW SIDE SIGNAL BEAM MARKER HEADLAMP LAMP LAMP REAR DEFOGGER RELAY RELAY RIGHT (W/ HID) RIGHT FRONT FRONT TURN PARK SIGNAL LAMP LAMP RIGHT HEADLAMP RIGHT HEADLAMP ASSEMBLY RIGHT HIGH BEAM HEADLAMP RUN WIRE W/ HALOGEN HEADLAMPS W/ HALOGEN W/ HID HEADLAMPS W/ HID WINDSHIELD WASHER FLUID LEVEL SWITCH WINDSHIELD WASHER PUMP WINDSHIELD WASHER PUMP RELAY WINDSHIELD WIPER MOTOR WINDSHIELD WIPER RELAY

2.0L 2.4L BLK WIRE BLK/WHT WIRE BODY (IF EQUIPPED) SUNROOF CONTROL MOTOR MODULE BRAKE INSIDE FLUID REARVIEW LEVEL MIRROR SWITCH BREAKOUT TO FRONT OF ENGINE BRANCH) (2.4L: ENGINE COMPT) BRN WIRE DRIVER DOOR POCKET FLOOD LAMP DRIVER WINDOW MOTOR DRIVER WINDOW SWITCH ENGINE CONTROL MODULE FUEL PUMP CONTROL MODULE INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE LEFT COOLING FAN MOTOR LEFT REAR SEAT AIR BAG MASS AIR FLOW/ INTAKE AIR TEMPERATURE SENSOR NCA WIRE PASSENGER DOOR POCKET FLOOD LAMP PASSENGER INSTRUMENT PANEL AIR BAG PASSENGER PASSENGER DOOR WINDOW LATCH MOTOR ASSEMBLY PASSENGER RIGHT REAR PRESENCE SEAT DETECTION MODULE AIR BAG RIGHT COOLING FAN MOTOR RIGHT REAR RIGHT REAR DOOR WINDOW LATCH SWITCH ASSEMBLY RIGHT REAR WINDOW DEFOGGER NOISE FILTER SECONDARY SECONDARY AIR INJECTION AIR INJECTION PUMP SOLENOID VALVE TRANSMISSION CONTROL MODULE W/ RESTRAINTS SYSTEM DRIVER, PASSENGER, FRONT, FRONT SIDE, REAR SIDE, ROOF SIDE W/O RESTRAINTS SYSTEM DRIVER, PASSENGER, FRONT, FRONT SIDE, REAR SIDE, ROOF SIDE