Buick LaCrosse II (2009-2013) except 2.4l 2.4l Wiring diagrams

10 12 HS SERIAL DATA + HS SERIAL DATA - 13 14 5 HS SERIAL DATA + HS SERIAL DATA - DATA COM ENABLE 2 4 1 3 HS SERIAL DATA + HS SERIAL DATA - HS SERIAL DATA + HS SERIAL DATA - 22 25 HS SERIAL DATA + HS SERIAL DATA - 24 23 HS SERIAL DATA - HS SERIAL DATA + 3 1 HS SERIAL DATA - HS SERIAL DATA + 30 29 28 31 HS SERIAL DATA + HS SERIAL DATA - HS SERIAL DATA - HS SERIAL DATA + 4 3 HS SERIAL DATA - HS SERIAL DATA + 42 55 41 39 40 70 HS SERIAL DATA + HS SERIAL DATA - ACCESSORY WAKEUP SERIAL DATA 7 6 17 22 21 HS SERIAL DATA + HS SERIAL DATA - 8 16 1 13 HS SERIAL DATA - HS SERIAL DATA + DATA COM ENABLE NETWORK BUS 6 BLK WIRE BLU/YEL WIRE BREAKOUT INTO TRANSMISSION CONNECTOR) CONTROL SOLENOID VALVE ASSEMBLY (ON FRONT OF TRANSFER CASE) DATA COM ENABLE DATA COM ENABLE HS SERIAL DATA + HS SERIAL DATA - DATA LINK CONNECTOR (LEFT SIDE OF DASH) DK BLU WIRE DK BLU/ WHT WIRE ELECTRONIC BRAKE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) EXCEPT 2.4L 2.4L EXCEPT 3.6L 3.6L EXCEPT AWD EXCEPT AWD W/ CONTINUOUSLY VARIABLE REAL TIME DAMPING FROM BREAKOUT TO FUEL PUMP CONTROL MODULE (RIGHT REAR CORNER OF REAR COMPT) FUSE FUSE GRN WIRE GRN/PPL WIRE HOT AT ALL TIMES HS SERIAL DATA + HS SERIAL DATA + HS SERIAL DATA - HS SERIAL DATA - INSTRUMENT PANEL FUSE BLOCK (LOWER LEFT SIDE OF DASH) MULTI-AXIS ACCELERATION SENSOR (UNDER CENTER CONSOLE BETWEEN FRONT SEATS) PACK) POWER STEERING CONTROL MODULE (W/ VARIABLE EFFORT) (LOWER LEFT SIDE OF DASH) REAR DIFFERENTIAL CLUTCH CONTROL MODULE (AWD) (MOUNTED TO REAR DIFFERENTIAL) RED/DK GRN WIRE RED/WHT WIRE STEERING WHEEL ANGLE SENSOR (BASE OF STEERING COLUMN) SUSPENSION CONTROL MODULE (IF EQUIPPED) (LEFT CORNER OF REAR COMPT) TELEMATICS COMMUNICATIONS INTERFACE CONTROL MODULE (CENTER OF REAR WINDOW SHELF) VIO/YEL WIRE W/ CONTINUOUSLY VARIABLE REAL TIME DAMPING AWD W/ NON-VARIABLE RATIO POWER STEERING W/O NON-VARIABLE RATIO POWER STEERING W/O ONSTAR WHT WIRE WHT/DK BLU WIRE YEL (OR WHT) WIRE YEL WIRE YEL/BLK (DK BLU) WIRE YEL/BLK (OR DK BLU) WIRE YEL/BLK WIRE

AUTOMATIC TRANSMISSION ASSEMBLY AUTOMATIC TRANSMISSION INTERNAL MODE SWITCH BATTERY (LEFT SIDE OF ENGINE) BATTERY FUSE BLOCK (TOP OF BATTERY) FUSE BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) CHARGING CIRCUIT COMPUTER DATA LINES SYSTEM CONTROL SOLENOID ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) EXCEPT 2.4L 2.4L FUSE GMLAN SERIAL DATA GRN WIRE GROUND GRY WIRE IGN VOLT IGNITION SWITCH LOCK PARK/NEUTRAL SIG (1) RED WIRE RUN WIRE SERIAL DATA STARTER MOTOR STARTER RELAY STARTER RELAY CTRL TRANSMISSION CONTROL MODULE UNDERHOOD FUSE BLOCK (LEFT SIDE OF BATTERY) VALVE ASSEMBLY VIO/GRY WIRE VIO/YEL WIRE WHT WIRE WHT/GRY WIRE YEL WIRE