Buick LaCrosse II (2009-2013) instrument panel multi-function switch 2 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

ACCESSORY DC/AC POWER INVERTER MODULE BLK WIRE BREAKOUT TO ELECTRONIC BRAKE CONTROL MODULE) CENTER CONSOLE 1 ACCESSORY POWER RECEPTACLE CENTER CONSOLE 2 ACCESSORY POWER RECEPTACLE CENTER CONSOLE COMPARTMENT LAMP DATA LINK CONNECTOR ELECTRONIC BRAKE CONTROL MODULE FUEL PUMP CONTROL MODULE HORN SWITCH INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE INSTRUMENT PANEL COMPARTMENT LAMP INSTRUMENT PANEL MULTI-FUNCTION SWITCH 1 INSTRUMENT PANEL MULTI-FUNCTION SWITCH 2 LEFT CENTER CONSOLE ARMREST ACCENT LAMP LEFT CENTER CONSOLE CUP HOLDER ACCENT LAMP LEFT INSTRUMENT PANEL ACCENT LAMP LEFT INSTRUMENT PANEL COURTESY LAMP LEFT STEERING WHEEL CONTROLS SWITCH NCA WIRE PARK BRAKE CONTROL SWITCH PARK POSITION SWITCH PASSENGER INSTRUMENT PANEL AIR BAG PNK WIRE RIGHT CENTER CONSOLE ARMREST ACCENT LAMP RIGHT CENTER CONSOLE CUP HOLDER ACCENT LAMP RIGHT COOLING FAN MOTOR RIGHT INSTRUMENT PANEL ACCENT LAMP RIGHT INSTRUMENT PANEL COURTESY LAMP RIGHT LOWER INSTRUMENT PANEL ACCENT LAMP RIGHT REAR RIGHT REAR SIDE MARKER TURN SIGNAL LAMP LAMP RIGHT REAR WINDOW DEFOGGER NOISE FILTER RIGHT STEERING WHEEL CONTROLS SWITCH RIGHT TAIL LAMP RIGHT TAIL/ RIGHT STOP, TURN BACKUP SIGNAL LAMP LAMP STEERING WHEEL AIR BAG COIL STEERING WHEEL HEATER STEERING WHEEL HEATER CONTROL MODULE TRANSMISSION MANUAL SHIFT SWITCH TRANSMISSION SHIFT LEVER TRANSMISSION SHIFT LOCK CONTROL SOLENOID ACTUATOR W/ HEATED STEERING WHEEL SWITCH

22 1 SERIAL DATA BATT POS VOLT AIR BAG COIL AUTO BLK WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) BRN WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL, SOUND SYSTEMS DIMMER SWITCH DOME/ READING LAMPS FOG LAMP SWITCH FRONT DOME/ READING LAMPS FUSE GARAGE DOOR OPENER GRN WIRE HDLP SW PARK LP SIG HEAD HEADLAMP SWITCH HEADUP DISPLAY SWITCH (IF EQUIPPED) HORN SWITCH HOT AT ALL TIMES IGNITION MODE SWITCH INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK (LOWER LEFT SIDE OF DASH) INSTRUMENT PANEL MULTI-FUNCTION SWITCH 1 INSTRUMENT PANEL MULTI-FUNCTION SWITCH 2 LED BACK LEFT STEERING WHEEL CONTROLS SWITCH LIGHT CTRL SW REF LIGHT CTRL SW SIG LIGHT DIMMING CONTROL LT GRN WIRE OFF OUTSIDE REARVIEW MIRROR SWITCH PARK PARK BRAKE CONTROL SWITCH (ON PARK BRAKE ASSEMBLY) PASSENGER WINDOW SWITCH PNK WIRE RED/WHT WIRE RIGHT STEERING WHEEL CONTROLS SWITCH SERIAL DATA LOGIC STEERING WHEEL) SUNROOF SUNSHADE SWITCH SUNROOF SWITCH WHT WIRE YEL WIRE

1 2 3 4 5 6 7 8 GND BLK WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) COIL CTRL EXPRESS SIG OPEN SIG CLOSE SIG FUSE HOT AT ALL TIMES IGNITION MAIN RELAY INSTRUMENT PANEL MULTI-FUNCTION SWITCH 2 LOGIC LT GRN WIRE LT GRN/VIO WIRE LT GRN/WHT WIRE PNK IGN 1 VOLT SPLY VOLT WIRE POWER DISTRIBUTION SYSTEM PPL PPL PPL REAR BODY FUSE BLOCK (ON LEFT REAR WHEELHOUSE) REAR WINDOW SUNSHADE MODULE REAR WINDOW SUNSHADE MOTOR (LEFT SIDE OF REAR WINDOW SHELF) RED WIRE SUNSHADE SWITCH VIO/BLK WIRE VIO/GRY WIRE W/ CLIMATE CONTROL WHT/ BLK WIRE YEL WIRE