Buick LaCrosse II (2009-2013) (bottom of right "a" pillar) Wiring diagrams

24 25 GMLAN SERL DATA (+) GMLAN SERL DATA (-) 2500 2501 COMPUTER DATA LINES SYSTEM ABS IND. BLK WIRE BLK/BLU WIRE BLK/DK BLU WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) BRAKE BOOSTER PUMP MOTOR BRAKE BOOSTER PUMP MOTOR RELAY (RIGHT SIDE OF ENGINE COMPT) BRN WIRE COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEMS DK BLU WIRE DK GRN/BRN WIRE DRIVER INFORMATION CENTER DISPLAY ELECTRONIC BRAKE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) ESC OFF IND FUSE FUSE FUSE GND VOLTAGE 5-VOLT REF LOW REFERENCE SERIAL DATA + SERIAL DATA - GRN WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL MULTI-FUNCTION SWITCH 2 INT LMP SW SIG LEFT FRONT WHEEL SPEED SENSOR (LEFT FRONT STEERING KNUCKLE ASSEMBLY) LOW REF RIGHT REAR SENS SIG RIGHT REAR LT GRN/BRN WIRE LT GRN/GRY WIRE MULTI-AXIS ACCELERATION SENSOR (UNDER CENTER CONSOLE BETWEEN FRONT SEATS) NCA WIRE RADIO RED WIRE RED/BLU WIRE RED/DK BLU WIRE RED/GRY WIRE RED/YEL WIRE RIGHT FRONT WHEEL SPEED SENSOR RIGHT REAR WHEEL SPEED SENSOR (RIGHT REAR UPPER CONTROL ARM) SERIAL DATA - SERIAL DATA + BRAKE VACUUM SENS SIG SERIAL DATA ENABLE STEERING COLUMN) STEERING WHEEL ANGLE SENSOR (BASE OF TCS/ ESC IND UNDERHOOD FUSE BLOCK (LEFT SIDE OF BATTERY) VIO WIRE W/ CONTINUOUSLY VARIABLE REAL TIME DAMPING CHASSIS W/ FRONT FOG LAMP W/O CONTINUOUSLY VARIABLE REAL TIME DAMPING CHASSIS WHL SPD SENS LOW REF LR WHL SPD SENS SIG LR WHT WIRE WHT/DK BLU WIRE YEL WIRE YEL/RED WIRE YEL/VIO WIRE

3.6L 3.6L EXCEPT AUTOMATIC TRANSMISSION ASSEMBLY BLK WIRE BLU WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY DK GRN WIRE ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) EXCEPT 3.6L 3.6L FUSE GRN WIRE GROUND DISTRIBUTION SYSTEM GRY WIRE HOT AT ALL TIMES INSIDE REARVIEW MIRROR LEFT BACKUP LAMP LEFT TAIL LAMP LT GRN WIRE LT GRN/WHT WIRE PARK/NEUTRAL SIG REAR WINDOW SUNSHADE MODULE REARVIEW CAMERA RED WIRE RED/YEL WIRE RIGHT BACKUP LAMP RIGHT TAIL LAMP SIG A SIG B SIG C SIG P SUPPLY VOLT TRANS- MISSION INTERNAL MODE SWITCH TRANSMISSION CONTROL MODULE UNDERHOOD FUSE BLOCK (LEFT SIDE OF BATTERY) VIO/YEL WIRE WAKE UP SIG WHT LT GRN/ WIRE WHT WIRE WHT/GRY WIRE YEL WIRE

1 2 8 VOICE SIGNAL LOW REF DRAIN WIRE 16 1 B+ SERIAL DATA 5149 5152 1792 (UYS) (UYS) (UYS) 5340 5060 COMPUTER DATA LINES SYSTEM 6 12 5 VOICE SIGNAL LOW REF DRAIN WIRE BLK WIRE BLK/GRY WIRE BLK/YEL WIRE CELLULAR PHONE NAVIGATION, DIGITAL RADIO ANTENNA CENTER SIG CGI - COAX COMPUTER DATA LINES SYSTEM DRAIN WIRE GRN WIRE GRN/BLU WIRE GROUND GRY WIRE GRY/YEL WIRE LOGIC LT GRN/YEL WIRE NAVIGATION ANTENNA SIGNAL SPLITTER NCA WIRE NETWORK 10 PPL RED WIRE RED/DK BLU WIRE RED/VIO WIRE RESET SIG TELEMATICS COMMUNICATIONS INTERFACE CONTROL MODULE VIO WIRE W/ UYS W/O UYS YEL WIRE