Buick LaCrosse II (2009-2013) relay Wiring diagrams

1 2 33 32 RF DRL SPLY VOLT LF DRL SPLY VOLT 2 3 2540 2140 B+ B+ 22 10 5060 278 LOW SPD GMLAN SER DATA AMBIENT LIGHT SENS SIG 22 11 16 13 306 103 HDLP SW PARK LP SIG ADAPTIVE FRONT LIGHTING CIRCUIT AMBIENT LIGHT/ SUNLOAD SENSOR (CENTER OF DASH) BLK WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) BRN WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL, SOUND SYSTEMS DK BLU WIRE DK BLU/BRN WIRE FRONT FOG LAMP FUSE FUSE FUSE GRN WIRE GRY WIRE GRY/DK BLU WIRE HDLP DIMMER SW HI BEAM SIG HDLP OFF SIG CTRL HDLP SW ON SIG HDLP SW FLASH TO PASS SIG HEADLAMP HIGH BEAM RELAY HEADLAMP LOW BEAM RELAY HIGH LOW FTP HOT AT ALL TIMES HOT AT ALL TIMES BATTERY FUSE BLOCK FUSE (TOP OF BATTERY) HVAC CONTROL MODULE INSTRUMENT PANEL FUSE BLOCK (LOWER LEFT SIDE OF DASH) LEFT DAYTIME RUNNING LAMP (BOTTOM OF "A" PILLAR) LEFT HEADLAMP LEFT HIGH BEAM SOLENOID ACTUATOR LEFT LOW BEAM HEADLAMP LIGHTING CTRL SW REF LIGHTING CTRL SW SIG LOW REF LT GRN WIRE NCA WIRE RED WIRE RED/BLK WIRE RELAY RIGHT DAYTIME RUNNING LAMP RIGHT HEADLAMP RIGHT HEADLAMP BALLAST RIGHT HIGH BEAM SOLENOID ACTUATOR RIGHT LOW BEAM HEADLAMP TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK (LEFT SIDE OF BATTERY) VIO WIRE WHT WIRE YEL WIRE

BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) BRN WIRE FUSE GROUND GRY WIRE HEATED STEERING WHEEL ON IND HEATED STEERING WHEEL SWITCH HOT AT ALL TIMES HTD WHL FUSE IGN 3 VOLT IGNITION LOGIC RADIO/HVAC CONTROLS REAR BODY FUSE BLOCK (ON LEFT REAR WHEELHOUSE) RED WIRE RED/WHT WIRE RELAY RUN RLY COIL CTRL RUN WIRE SENSOR SIG STEERING COLUMN FUSE HOLDER STEERING WHEEL AIR BAG COIL STEERING WHEEL HEATER STEERING WHEEL HEATING CONTROL MODULE (INSIDE STEERING WHEEL) SW LED CTRL SW SIG VIO WIRE VIO/BRN WIRE VOLT REF YEL WIRE

BLK WIRE BODY CONTROL MODULE BRN WIRE DRIVER DRIVER BACK CUSHION SEAT SEAT BLOWER BLOWER MOTOR ASSEMBLY DRIVER SEATBACK VIDEO DISPLAY FROM BATTERY FUSE BLOCK (DIAGRAM 1 OF 5) FROM IGNITION MAIN RELAY (DIAGRAM 4 OF 5) FUSE HTD WHL FUSE IGNITION IGNITION MAIN RELAY KEYLESS ENTRY CONTROL MODULE (IF EQUIPPED) LT GRN/VIO WIRE PASSENGER BACK SEAT BLOWER MOTOR PASSENGER CUSHION SEAT BLOWER MOTOR PASSENGER SEATBACK VIDEO DISPLAY PNK WIRE REAR BODY FUSE BLOCK (ON LEFT REAR WHEELHOUSE) REAR DIFFERENTIAL CLUTCH CONTROL MODULE REAR WINDOW SUNSHADE CONTROL MODULE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/DK BLU WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RELAY RUN WIRE STEERING COLUMN FUSE HOLDER STEERING WHEEL AIR BAG COIL STEERING WHEEL HEATING CONTROL MODULE (IF EQUIPPED) SUSPENSION CONTROL MODULE VIO WIRE VIO/BLK WIRE W/ CLIMATE CONTROL W/ DRIVER SEAT W/ HEATED STEERING WHEEL W/ PASSENGER SEAT W/ REAR SEAT ENTERTAINMENT W/O CLIMATE CONTROL