Buick LaCrosse III (2016-2019) Ground distribution circuit

ACTIVE GRILLE AIR SHUTTER MOTOR MODULE 1 ACTIVE GRILLE AIR SHUTTER MOTOR MODULE 2 BATTERY BATTERY CURRENT SENSOR BLK WIRE BLK/WHT WIRE ELECTRONIC BRAKE CONTROL MODULE HEADLAMP WASHER PUMP RELAY IGNITION COIL 1 IGNITION COIL 2 IGNITION COIL 3 IGNITION COIL 4 IGNITION COIL 5 IGNITION COIL 6 IGNITION MAIN RELAY LEFT COOLING FAN MOTOR LEFT CORNERING LAMP LEFT FRONT FOG LAMP LEFT FRONT SIDE MARKER LAMP LEFT FRONT TURN SIGNAL LAMP LEFT HEADLAMP ASSEMBLY LEFT HEADLAMP BALLAST LEFT HEADLAMP HORIZONTAL MOTOR LEFT HIGH BEAM SOLENOID ACTUATOR LEFT HORN LEFT PARK DAYTIME RUNNING LAMP LONG RANGE RADAR SENSOR MODULE NCA WIRE POWER STEERING CONTROL MODULE REAR COMPARTMENT LID UNLATCH RELAY REAR DEFOGGER RELAY REAR WINDOW WASHER PUMP RELAY RIGHT COOLING FAN MOTOR RIGHT CORNERING LAMP RIGHT FRONT FOG LAMP RIGHT FRONT SIDE MARKER LAMP RIGHT FRONT TURN SIGNAL LAMP RIGHT HEADLAMP ASSEMBLY RIGHT HEADLAMP BALLAST RIGHT HEADLAMP HORIZONTAL MOTOR RIGHT HIGH BEAM SOLENOID ACTUATOR RIGHT HORN RIGHT PARK DAYTIME RUNNING LAMP RIGHT REAR WINDOW DEFOGGER NOISE FILTER W/ BRAKE PREFILL INTEGRATED BRAKE ASSIST W/ HID W/ HID W/O HID WINDSHIELD WASHER PUMP WINDSHIELD WASHER PUMP RELAY WINDSHIELD WIPER MOTOR WINDSHIELD WIPER RELAY WINDSHIELD WIPER SPEED CONTROL RELAY

A/C COMPRESSOR CLUTCH AIR IONIZER AUTOMATIC TRANSMISSION ASSEMBLY TRANSMISSION CONTROL MODULE BATTERY SAVER RELAY 1 BLK WIRE BLK/WHT WIRE BRN WIRE CENTER CONSOLE COMPARTMENT LAMP CENTER CONSOLE FLOOD LAMP DATA LINK CONNECTOR ENGINE CONTROL MODULE ENGINE OIL LEVEL SWITCH GRN/BLU WIRE HAZARD WARNING SWITCH HORN SWITCH INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE INSTRUMENT PANEL COMPARTMENT LAMP INSTRUMENT PANEL FUSE BLOCK INSTRUMENT PANEL MULTI- FUNCTION SWITCH LEFT INSTRUMENT PANEL ACCENT LAMP LEFT INSTRUMENT PANEL COURTESY LAMP LEFT STEERING WHEEL CONTROLS SWITCH LEFT TRANSMISSION MANUAL SHIFT SWITCH MIDDLE INSTRUMENT PANEL ACCENT LAMP MULTI-FUNCTION INTAKE AIR SENSOR NCA WIRE PARK BRAKE CONTROL SWITCH PASSENGER PRESENCE MODULE RED WIRE RED/BLK WIRE RETAINED ACCESSORY POWER RELAY RIGHT INSTRUMENT PANEL ACCENT LAMP RIGHT INSTRUMENT PANEL COURTESY LAMP RIGHT STEERING WHEEL CONTROLS SWITCH RIGHT TRANSMISSION MANUAL SHIFT SWITCH STARTER RELAY STEERING COLUMN POSITION CONTROL MODULE STEERING WHEEL AIR BAG COIL STEERING WHEEL HEATER STEERING WHEEL HEATING CONTROL MODULE TRANSMISSION RANGE CONTROL MODULE UNDERHOOD FUSE BLOCK

ACCESSORY DC/AC POWER INVERTER MODULE AMBIENT LIGHT/ SUNLOAD SENSOR AUDIO/ VIDEO INPUT ADAPTER AUXILIARY AUDIO INPUT BLK WIRE BLOWER MOTOR BODY CONTROL MODULE CENTER CONSOLE 2 ACCESSORY POWER RECEPTACLE CENTER CONSOLE ACCESSORY POWER RECEPTACLE 1 CENTER CONSOLE COMPARTMENT ACCESSORY POWER RECEPTACLE CIGARETTE LIGHTER RECEPTACLE COLLISION ALERT INDICATORS DATA LINK CONNECTOR HEADLAMP SWITCH HEADUP DISPLAY HEADUP DISPLAY SWITCH HUMAN MACHINE INTERFACE CONTROL MODULE HVAC CONTROL MODULE HVAC CONTROLS IGNITION MODE SWITCH INFO DISPLAY MODULE INFOTAINMENT CONTROL TOUCHPAD INSTRUMENT CLUSTER MEDIA DISC PLAYER NCA WIRE RADIO SERIAL DATA GATEWAY MODULE STOP/START SELECT SWITCH TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE TURN SIGNAL/ MULTI-FUNCTION SWITCH USB RECEPTACLE W/ EMBEDDED NAVIGATION W/O EMBEDDED NAVIGATION W/ TOUCH PAD, ENTERTAINMENT W/ TOUCH PAD W/O TOUCH PAD W/O ONSTAR

BLK WIRE BLU WIRE DRIVER DOOR ACCENT LAMP DRIVER DOOR COURTESY LAMP DRIVER DOOR HANDLE FLOOD LAMP DRIVER DOOR LATCH ASSEMBLY DRIVER DOOR LOCK SWITCH DRIVER DOOR PULL HANDLE FLOOD LAMP DRIVER EXTERIOR DOOR HANDLE ASSEMBLY DRIVER EXTERIOR DOOR HANDLE SWITCH DRIVER OUTSIDE REAR VIEW MIRROR DRIVER OUTSIDE REAR VIEW MIRROR COURTESY LAMP DRIVER OUTSIDE REAR VIEW MIRROR GLASS DRIVER WINDOW/ OUTSIDE REAR VIEW MIRROR SWITCH INTERIOR REAR COMPARTMENT LID UNLATCH SWITCH LEFT REAR DOOR ACCENT LAMP LEFT REAR DOOR HANDLE FLOOD LAMP LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR EXTERIOR DOOR HANDLE ASSEMBLY LEFT REAR EXTERIOR DOOR HANDLE SWITCH LEFT REAR WINDOW SWITCH LEFT TURN SIGNAL REPEATER LAMP PASSENGER DOOR ACCENT LAMP PASSENGER DOOR COURTESY LAMP PASSENGER DOOR HANDLE FLOOD LAMP PASSENGER DOOR LATCH ASSEMBLY PASSENGER DOOR LOCK SWITCH PASSENGER DOOR PULL HANDLE FLOOD LAMP PASSENGER EXTERIOR DOOR HANDLE ASSEMBLY PASSENGER EXTERIOR DOOR HANDLE SWITCH PASSENGER OUTSIDE REAR VIEW MIRROR PASSENGER OUTSIDE REAR VIEW MIRROR COURTESY LAMP PASSENGER OUTSIDE REAR VIEW MIRROR GLASS PASSENGER WINDOW SWITCH RIGHT REAR DOOR ACCENT LAMP RIGHT REAR DOOR HANDLE FLOOD LAMP RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR EXTERIOR DOOR HANDLE ASSEMBLY RIGHT REAR EXTERIOR DOOR HANDLE SWITCH RIGHT REAR WINDOW SWITCH RIGHT TURN SIGNAL REPEATER LAMP W/ MEMORY W/O MEMORY

2 WAY ACTIVE NOISE CANCELLATION MODULE AIR QUALITY SENSOR AUDIO AMPLIFIER BLK WIRE BLK/WHT WIRE BRAKE FLUID LEVEL SWITCH CHASSIS CONTROL MODULE DRIVER BACK SEAT BLOWER MOTOR DRIVER CUSHION SEAT BLOWER MOTOR DRIVER LEFT REAR SEAT HAPTIC MOVEMENT MOTOR DRIVER RIGHT REAR SEAT HAPTIC MOVEMENT MOTOR DRIVER SEAT ADJUSTER SWITCH DRIVER SEAT LUMBAR SUPPORT PUMP DRIVER SEAT LUMBAR SUPPORT VALVE ASSEMBLY DRIVER SEATBACK VIDEO DISPLAY DRIVER WINDOW MOTOR DRIVER WINDOW/ OUTSIDE REAR VIEW MIRROR SWITCH FRONT SEAT HEATING CONTROL MODULE FRONT VIEW CAMERA HEADLAMP CONTROL MODULE HOOD AJAR SWITCH INSIDE REAR VIEW MIRROR KEYLESS ENTRY CONTROL MODULE LEFT REAR WINDOW SWITCH NCA WIRE PASSENGER BACK SEAT BLOWER MOTOR PASSENGER CUSHION SEAT BLOWER MOTOR PASSENGER SEAT ADJUSTER SWITCH PASSENGER SEAT LUMBAR SUPPORT PUMP PASSENGER SEAT LUMBER SUPPORT VALVE ASSEMBLY PASSENGER SEATBACK VIDEO DISPLAY PASSENGER WINDOW MODULE PASSENGER WINDOW SWITCH RAIN/ AMBIENT LIGHT SENSOR MODULE REAR AUDIO CONTROL MODULE RIGHT REAR WINDOW SWITCH SEAT MEMORY CONTROL MODULE W/ BRAKE PREFILL INTEGRATED BRAKE ASSIST W/ DIRECTIONAL CONTROL W/ MEMORY W/O BRAKE PREFILL INTEGRATED BRAKE ASSIST W/O DIRECTIONAL CONTROL W/O MEMORY W/ MEMORY W/ EXPRESS UP/DOWN W/ EXPRESS DOWN

ACTIVE SAFETY CONTROL MODULE BLK WIRE CENTER HIGH MOUNTED STOP LAMP EXTERIOR REAR COMPARTMENT LID UNLATCH SWITCH FRONT OVERHEAD CONSOLE ASSEMBLY FUEL PUMP DRIVER CONTROL MODULE GARAGE DOOR OPENER LEFT AUXILIARY TAIL LAMP LEFT BACKUP LAMP LEFT LICENSE PLATE LAMP LEFT REAR COMPARTMENT LID TAIL LAMP ASSEMBLY LEFT REAR SEAT SIDE AIR BAG LEFT REAR SIDE MARKER LAMP LEFT REAR TURN SIGNAL LAMP LEFT ROOF RAIL DOME/ READING LAMPS LEFT SIDE OBJECT SENSOR MODULE LEFT SUNSHADE MIRROR LAMP LEFT TAIL LAMP LEFT TAIL LAMP ASSEMBLY LEFT TAIL/STOP LAMP NCA WIRE OBSTACLE DETECTION ENHANCED PARKING ASSIST CONTROL MODULE REAR COMPARTMENT COURTESY LAMP REAR COMPARTMENT LID LATCH REAR DIFFERENTIAL CLUTCH CONTROL MODULE REAR VIEW CAMERA REAR WINDOW SUNSHADE MODULE REMOTE CONTROL DOOR LOCK RECEIVER RIGHT AUXILIARY TAIL LAMP RIGHT BACKUP LAMP RIGHT LICENSE PLATE LAMP RIGHT REAR COMPARTMENT LID TAIL LAMP ASSEMBLY RIGHT REAR SEAT HEATING CONTROL MODULE RIGHT REAR SEAT SIDE AIR BAG RIGHT REAR SIDE MARKER LAMP RIGHT REAR TURN SIGNAL LAMP RIGHT ROOF RAIL DOME/ READING LAMPS RIGHT SIDE OBJECT SENSOR MODULE RIGHT SUNSHADE MIRROR LAMP RIGHT TAIL LAMP RIGHT TAIL LAMP ASSEMBLY RIGHT TAIL/STOP LAMP SUNROOF MOTOR SUSPENSION CONTROL LAMP W/ BRAKE PREFILL INTEGRATED BRAKE ASSIST