Buick Regal V (2009-2013) auto Wiring diagrams

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

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

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

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