Buick Regal V (2009-2013) (left side of engine compt, forward of battery) Wiring diagrams

10 11 12 13 14 15 INTERCONNECT NETWORK BUS 3 13 14 WINDSHIELD WIPER SW LOW SIG SHIFT SEL SW PERFORMANCE SIG 15 16 17 18 IGNITION 3 RLY CTRL RUN/CRANK RLY COIL CTRL 15 16 OFF/RUN/CRANK VOLTAGE 16 17 18 19 20 21 22 23 24 25 26 27 INTERCONNECT NETWORK BUS 1 18 19 20 21 22 23 24 25 HORN RELAY CONTROL HORN SWITCH SIGNAL 295 (OR 3271) 3 4 GROUND DOOR LOCK ACT UNLOCK CTRL 3 4 IMMOBILIZER SPLY VOLT LIGHTING CTRL SW REF 312 (OR 7539) 43 (OR 755) 5 6 REAR COMPT AJAR SW SIG (1) 5-VOLT REFERENCE 50 1650 (OR 3277) 6815 24 INTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM 6846 2268 1594 (OR 5199) 91 196 5075 7 8 9 10 11 12 ACCESSORY VOLTAGE 7 8 LED BACKLIGHT DIMMING CTRL INST PANEL LP DIMMING CTRL 712 (OR 7538) 1315 1335 7553 737 SHIFT INTERLOCK SYSTEM INTERIOR LIGHTS SYSTEM 781 156 DOOR LOCKS SYSTEM INTERIOR LIGHTS SYSTEM ACCESSORY VOLTAGE ACCESSORY VOLTAGE RAP RELAY COIL CONTROL ANTI-THEFT SYSTEM BATTERY BATTERY POSITIVE VOLTAGE BLK WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/GRY WIRE BLU/VIO WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM ANTI-THEFT SYSTEM CURRENT SENSOR SPLY VOLT DOOR LCK ACT LCK CTRL 2 DOOR LOCK ACT LCK CTRL DOOR LOCK CONTROL (2) DOOR LOCKS SYSTEM DRV DR LOCK SW UNLOCK SIG COURTESY LAMP SWITCH SIGNAL DRV DR LOCK SWITCH LOCK SIG EARLY PRODUCTION LATE PRODUCTION ELECTRONIC SUSPENSION SYSTEM EXTERIOR LIGHTS SYSTEM WIPER/WASHER SYSTEM FUSE FUSE 32 GMLAN SERIAL DATA (-) (1) GMLAN SERIAL DATA (+) (1) GRN WIRE GRN/GRY WIRE GRN/RED WIRE GRN/VIO WIRE GRN/WHT WIRE GROUND GRY WIRE GRY/BLK WIRE GRY/VIO WIRE HAZARD SW RH TURN SIG WINDSHIELD WASHER SW SIG HDLP SW FLASH TO PASS SIG HEADLIGHTS SYSTEM HORNS SYSTEM HOT AT ALL TIMES INADVERTENT POWER CONTROL BACKUP LAMP SUPPLY VOLTAGE INTERCONNECT NETWORK BUS 11 INTERCONNECT NETWORK BUS 2 LED BACKLIGHT DIMMING CTRL LOGISTIC MODE RELAY OPEN CTRL LOGISTIC MODE RLY CLOSE CTRL LOW REFERENCE LOW SPEED GMLAN SERIAL DATA LR CHILD SECURITY LOCK MOTOR STATUS SIGNAL ORG/BLK WIRE PARK LOCK SOLENOID CONTROL TRUNK LAMP CONTROL POWER DISTRIBUTION SYSTEM REAR COMPT HANDLE SW OP SIG REAR LICENSE LAMP SPLY VOLT WINDSHIELD WASHER RLY CTRL RED/BLU WIRE RED/GRY WIRE RED/YEL WIRE RR CHILD SECURTY LCK MTR STATUS SIG RUN/CRANK IGNITION 1 VOLTAGE SPORT MODE SWITCH (SIGNAL) STARTING/CHARGING SYSTEM STOP LAMP RLY COIL SPLY VOLT TAN/WHT WIRE TRUNK, TAILGATE, FUEL DOORS SYSTEM UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VIO/BLK WIRE VIO/BLU WIRE VIO/GRY WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE WHT/YEL WIRE WINDSHIELD WIPER SW HI SIG WIPER MTR PARK SW SIG CURRENT SENSOR SIGNAL WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM ELECTRONIC SUSPENSION YEL WIRE YEL/BLU WIRE

39 40 HIGH SPEED SERIAL DATA(+) HIGH SPEED SERIAL DATA(-) BATTERY BATTERY CURRENT SENSOR (IN FRONT OF BATTERY) BATTERY FUSE BLOCK (TOP OF BATTERY) (2.4L) (2.0L) BLK WIRE BLK/VIO WIRE BLU WIRE BLU/VIO WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) CHARGE IND CHARGE IND CTRL COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM CURRENT SENS CURRENT SENS SIG CURRENT SENS SUPPLY VOLT CURRENT SENSOR SIG CURRENT SENSOR SUPPLY VOLTAGE DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) FUSE 6 GENERATOR GENERATOR FIELD DUTY CYCLE SIG GMLAN SERIAL DATA GRN WIRE GROUND GRY WIRE INSTRUMENT CLUSTER LOGIC LOW REF ORG/ WIRE RED WIRE STARTER MOTOR SYSTEM TAN WIRE TAN/BLK WIRE WHT WIRE WHT/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 39 40 HIGH SPEED SERIAL DATA(+) HIGH SPEED SERIAL DATA(-) AUTOMATIC TRANSMISSION ASSEMBLY BATTERY BATTERY FUSE BLOCK (TOP OF BATTERY) BLK WIRE BLU WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) CHARGING CIRCUIT COMPUTER DATA LINES CONTROL SOLENOID VALVE ASSEMBLY ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) FUSE 12 FUSE 5 FUSE 6 (2.4L) (2.0L) GMLAN SERIAL DATA IGNITION SWITCH LOCK LOGIC OFF/RUN/CRANK VOLT ORG/BLK WIRE PARK/NEUTRAL SIG (1) PPL PPL/WHT WIRE RED WIRE RUN WIRE STARTER ENABLE RELAY CTRL STARTER MOTOR STARTER RELAY SYSTEM TAN WIRE TAN/BLK WIRE TRANSMISSION CONTROL MODULE TRANSMISSION CONTROL MODULE (MOUNTED ON TOP OF TRANSMISSION) TRANSMISSION INTERNAL MODE SWITCH UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT WIRE WHT/BLK WIRE WHT/VIO WIRE