Buick LaCrosse III (2016-2019) dk blu/vio Wiring diagrams

BATTERY BATTERY CURRENT SENSOR BATTERY FUSE BLOCK BATTERY POSITIVE VOLT BLK WIRE BLK/VIO WIRE BLK/WHT WIRE BODY CONTROL MODULE BRN WIRE CHARGE IND CHARGE IND CTRL COMPUTER DATA LINES SYSTEM CURRENT SENS CTRL CURRENT SENS LOW REF CURRENT SENS SIG DK BLU WIRE DK BLU/VIO WIRE DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE FUSE 1 FUSE 4 GENERATOR GENERATOR FIELD DUTY CYCLE SIG GRY WIRE GRY/LT GRN WIRE HIGH SPEED GMLAN SERIAL DATA (-) (1) INSTRUMENT CLUSTER LOGIC LOW SPEED GMLAN SERIAL DATA RED WIRE RED/WHT WIRE RED/YEL WIRE SIG GND STARTER MOTOR VIO WIRE WHT WIRE WHT/YEL WIRE YEL WIRE

ACTIVE SAFETY CONTROL MODULE BATT POS VOLT BATT POST VOLT BLK WIRE BLK/WHT WIRE BLU/GRY WIRE COMPUTER DATA LINES SYSTEM DK BLU/VIO WIRE DK BLU/YEL WIRE DRIVER INFORMATION CENTER DISPLAY FRONT OBJECT SENS CTRL 2 FRONT OBJECT SENS SPLY VOLT 2 FUSE 40 GRN WIRE GRY WIRE GRY/LT GRN WIRE GRY/VIO WIRE HI SPD GMLAN SER DATA (-) 8 HI SPD GMLAN SERIAL DATA (+) 4 HI SPD GMLAN SERIAL DATA (+) 8 HI SPD GMLAN SERIAL DATA (-) (2) HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK INSTRUMENT PANEL MULTI- FUNCTION SWITCH LANE DEPARTURE WARNING DISABLE SW SIG LANE DEPARTURE WARNING DISABLE SWITCH LANE DEPARTURE WARNING IND LANE DEPARTURE WARNING IND CTRL LO SPD GMLAN SERIAL DATA LOGIC LONG RANGE RADAR SENSOR MODULE (FRONT OF VEHICLE, BEHIND GRILLE) LOW SPD GMLAN SERIAL DATA 2 LT GRN WIRE PARK ASSIST IND PARKING ASSIST CONTROL MODULE RED/DK GRN WIRE SERIAL DATA COMM ENABLE SIG GND WHT WIRE WHT/DK BLU WIRE WHT/GRY WIRE

6 W/O REAR VIEW VISION BLU/GRY WIRE DK BLU WIRE DK BLU/VIO (OR BLU/GRY) WIRE DK BLU/VIO WIRE DK BLU/YEL WIRE DK GRN/WHT WIRE DK GRN/YEL WIRE DRIVER WINDOW MOTOR DRIVER WINDOW/ OUTSIDE REAR VIEW MIRROR SWITCH FRONT OBJECT SENS CTRL 2 FRONT VIEW CAMERA GRN/VIO WIRE GRN/WHT WIRE GRY/VIO WIRE HEADLAMP CONTROL MODULE (LOWER LEFT SIDE OF DASH) HI SPD GMLAN SERIAL DATA (+) 8 KEYLESS ENTRY CONTROL MODULE LEFT SIDE OBJECT SENSOR MODULE LIN BUS 8 LIN SERIAL DATA BUS 3 LIN SERIAL DATA BUS 6 LIN SERIAL DATA BUS 8 LO SPD GMLAN LO SPD GMLAN SERIAL DATA LOGIC LEFT HEADLAMP HORIZONTAL MOTOR LEFT HEADLAMP ASSEMBLY LOGIC RIGHT HEADLAMP HORIZONTAL MOTOR RIGHT HEADLAMP ASSEMBLY LT GRN WIRE PASSENGER PRESENCE MODULE PASSENGER WINDOW MOTOR PASSENGER WINDOW SWITCH SEAT MEMORY CONTROL MODULE SERIAL DATA SERIAL DATA COMM ENABLE STEERING COLUMN POSITION CONTROL MODULE VIO/YEL WIRE W/ DIRECTIONAL HEADLAMPS BEAM CONTROL W/ EXPRESS UP/DOWN W/ MEMORY W/ OBSTACLE DETECTION ENHANCED SIDE ACTIVE SAFETY W/ REAR VIEW VISION W/O BRAKE PREFILL INTEGRATED BRAKE ASSIST W/O DIRECTIONAL HEADLAMPS BEAM CONTROL W/ BRAKE PREFILL INTEGRATED BRAKE ASSIST WHT WIRE WHT/DK BLU WIRE WHT/GRY WIRE

ACTIVE SAFETY CONTROL MODULE BATT POS VOLT BLK WIRE BODY CONTROL MODULE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/VIO WIRE DRIVER INFORMATION CONTROL DISPLAY FRONT OBJECT SENSOR CONTROL 2 FRONT VIEW CAMERA (TOP CENTER OF WINDSHIELD) FUSE 40 GMLAN SERIAL DATA (-) 8 GMLAN SERIAL DATA - 1 GROUND GRY WIRE GRY/LT GRN WIRE GRY/VIO WIRE HI SPD GMLAN SERIAL DATA (+) 4 HI SPD GMLAN SERIAL DATA (-) 4 LANE DEPARTURE WARNING DISABLE SW SIG HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK INSTRUMENT PANEL MULTI- FUNCTION SWITCH LANE DEPARTURE WARNING DISABLE SWITCH LANE DEPARTURE WARNING IND LANE DEPARTURE WARNING IND CTRL LO SPD GMLAN SERIAL DATA 2 LOGIC INSTRUMENT CLUSTER LONG RANGE RADAR SENSOR MODULE LOW SPEED GMLAN LT GRN WIRE RED/DK GRN WIRE WHT WIRE

B+ VOLT BLK WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DK BLU/VIO WIRE DK GRN WIRE DK GRN/WHT WIRE DK GRN/YEL WIRE DOOR LOCK MTR STATUS SIG DOOR LOCK KEY SW UNLOCK SIG DOOR LOCKS SYSTEM DOWN DRIVER WINDOW MOTOR DRIVER WINDOW/OUTSIDE REAR VIEW MIRROR SWITCH EXPRESS FUSE 1 FUSE 2 GRY WIRE HOT AT ALL TIMES ILL INSTRUMENT PANEL FUSE BLOCK LEFT FRONT WINDOW DOWN SWITCH LEFT FRONT WINDOW EXPRESS SWITCH LEFT FRONT WINDOW UP SWITCH LEFT REAR WINDOW DOWN SWITCH LEFT REAR WINDOW EXPRESS SWITCH LEFT REAR WINDOW UP SWITCH LF DR AJAR SW SIG LOCKOUT IND LOCKOUT SWITCH LOGIC N/W BUS 3 PASSENGER WINDOW MOTOR PASSENGER WINDOW SWITCH RED/DK BLU WIRE RED/WHT WIRE RF DR AJAR SW SIG RIGHT FRONT WINDOW DOWN SWITCH RIGHT FRONT WINDOW EXPRESS SWITCH RIGHT FRONT WINDOW UP SWITCH RIGHT REAR WINDOW DOWN SWITCH RIGHT REAR WINDOW EXPRESS SWITCH RIGHT REAR WINDOW UP SWITCH SW DOWN SIG SW DRV DOWN SIG SW DRV EXP SIG SW DRV UP SIG SW EXPRESS SIG SW UP SIG UNDERHOOD FUSE BLOCK VIO/GRY WIRE W/O MEMORY W/ MEMORY WHT/VIO WIRE WNDW MIR SEAT FUSE YEL/BLK WIRE

B+ VOLT BLK WIRE COMPUTER DATA LINES SYSTEM DK BLU/GRY WIRE DK BLU/VIO WIRE DK GRN/GRY WIRE DOOR LOCKS SYSTEM DOWN EXPRESS GRY WIRE ILL LEFT REAR WINDOW MOTOR LEFT REAR WINDOW SWITCH LIN SERIAL DATA BUS 4 LOGIC LR DOWN CTRL LR DR AJAR SW SIG LR UP CTRL LT GRN/BLK WIRE N/W DATA BUS 4 RED/DK BLU WIRE RED/WHT WIRE RIGHT REAR WINDOW MOTOR RIGHT REAR WINDOW SWITCH RR DOWN CTRL RR DR AJAR SW SIG RR UP CTRL YEL/DK BLU WIRE

BANK 1 SENS 1 BANK 1 SENS 2 BANK 2 SENS 1 BANK 2 SENS 2 BLK WIRE BLK/DK BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/LT GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BRN/DK BLU WIRE BRN/WHT WIRE CTRL OPEN DK BLU WIRE DK BLU/GRY WIRE DK BLU/VIO WIRE DK BLU/WHT WIRE ENGINE CONTROL MODULE GRY WIRE GRY/RED WIRE GRY/WHT WIRE IGNITION COIL 1 IGNITION COIL 2 IGNITION COIL 3 IGNITION COIL 4 IGNITION COIL 5 IGNITION COIL 6 INDUCTION AIR TEMP INTAKE SENS LOW REF KNOCK SIG (1) KNOCK SIG (2) LOW REF LT GRN WIRE LT GRN/DK BLU WIRE LT GRN/WHT WIRE MAP PRESSURE MAP SENS LOW REF NCA WIRE OIL PRESSURE SENS PLUG SENS SIG SIG GND SPARK THROTTLE ACTUATOR THROTTLE CTRL CLOSE VIO/DK BLU WIRE VIO/GRY WIRE VIO/LT GRN WIRE VIO/WHT WIRE WHT/BRN WIRE WHT/DK BLU WIRE WHT/GRY WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/DK BLU WIRE YEL/RED WIRE YEL/WHT WIRE

ACC WAKEUP BATT POS VOLT BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/LT GRN WIRE BLK/VIO WIRE BLK/YEL WIRE BLU/VIO WIRE BLU/WHT WIRE BRN/DK BLU WIRE BRN/WHT WIRE COMPUTER DATA LINES DATA OUT SIG DK BLU WIRE DK BLU/BLK WIRE DK BLU/GRY WIRE DK BLU/VIO WIRE DK BLU/WHT WIRE FUEL LEVEL SENSOR FUEL MDL FUSE FUEL PUMP FUEL PUMP CTRL FUEL PUMP DRIVER CONTROL MODULE FUEL PUMP, LEVEL SENSOR ASSEMBLY (IN FUEL TANK) GRY WIRE GRY/WHT WIRE HI SPD GMLAN HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT KNOCK SENSOR #2 KNOCK SENSOR 1 LOW REF LT GRN/DK BLU WIRE MIL SS FUSE NCA WIRE PRIMARY FUEL LEVEL SENSOR RED/VIO WIRE SECONDARY FUEL LEVEL SENSOR FUEL LEVEL SENSOR ASSEMBLY SERIAL DATA SERIAL DATA (+) (3) SHIELD GND SYSTEM UNDERHOOD FUSE BLOCK VIO/DK BLU WIRE VIO/GRY WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BRN WIRE WHT/GRY WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/DK BLU WIRE YEL/WHT WIRE

BANK 1 SENS 1 BANK 1 SENS 2 BANK 2 SENS 1 BANK 2 SENS 2 BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/VIO WIRE BLU/WHT WIRE BRN WIRE BRN/DK BLU WIRE BRN/LT GRN WIRE BRN/RED WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CTRL IND DK BLU/GRY WIRE DK BLU/VIO WIRE DK BLU/WHT WIRE DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) ENGINE COOLANT TEMPERATURE GAUGE ENGINE COOLANT TEMPERATURE IND ENGINE OIL IND ENGINE OIL LEVEL SWITCH ENGINE OIL PRESSURE SENSOR FUEL GAUGE FUEL IND FUEL LEVEL SENS SIG FUEL PRESSURE SENSOR FUSED SPLY 4 GRY/LT GRN WIRE GRY/WHT WIRE INSTRUMENT CLUSTER KNOCK SENS LIN BUS 21 LOGIC LOW REF (1) LOW REF 2 LOW SPD GMLAN SERIAL DATA 2 LT GRN/DK BLU WIRE LT GRN/VIO WIRE LT GRN/YEL WIRE MALFUNCTION IND NCA WIRE OIL LEVEL SW SIG OIL PRESSURE PRIMARY SEC SENS LOW REF SENS SIG THROTTLE THROTTLE SIG VIO/DK BLU WIRE VIO/GRY WIRE VIO/WHT WIRE WHT/BLK WIRE WHT/BRN WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/BRN WIRE YEL/DK BLU WIRE YEL/WHT WIRE

BANK 1 INTAKE CAMSHAFT POSITION ACTUATOR PARK LOCK SOLENOID VALVE BANK 1 SENSOR 1 HEATED OXYGEN SENSOR BANK 1 VALVE LIFTER OIL SOLENOID VALVE BANK 2 INTAKE CAMSHAFT POSITION ACTUATOR PARK LOCK SOLENOID VALVE BANK 2 SENSOR 1 HEATED OXYGEN SENSOR BLK/GRY WIRE BLK/VIO WIRE BLU WIRE BRN/DK BLU WIRE BRN/RED WIRE BRN/WHT WIRE CRANKSHAFT POSITION SENSOR DK BLU WIRE DK BLU/GRY WIRE DK BLU/VIO WIRE DK BLU/WHT WIRE ENGINE OIL PRESSURE CONTROL SOLENOID VALVE EVAPORATIVE EMISSION PURGE SOLENOID VALVE GRY/LT GRN WIRE GRY/WHT WIRE LT GRN WIRE LT GRN/DK BLU WIRE LT GRN/LT BLU WIRE LT GRN/YEL WIRE NCA WIRE VIO/BLU WIRE VIO/DK BLU WIRE VIO/GRY WIRE VIO/WHT WIRE WHT/BLK WIRE YEL WIRE YEL/DK BLU WIRE YEL/LT GRN WIRE YEL/WHT WIRE