Buick LaCrosse III (2016-2019) vio/lt grn Wiring diagrams

73 8 SIG GND ADAPTIVE CRUISE IND APP LO REF (1) APP LOW REF 2 APP SIG (1) APP SIG (2) BATT POSITIVE VOLT BLK WIRE BLK/BRN WIRE BLK/DK BLU WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BODY CONTROL MODULE (UNDER FLOOR CONSOLE) BRAKE APPLY SENS CTRL BRAKE APPLY SENS LOW REF BRAKE APPLY SENS SIG BRAKE PEDAL POSITION SENSOR (TOP OF BRAKE PEDAL ASSEMBLY) BRAKE POS SENS LOW REF BRAKE POS SENS SIG BRN WIRE BRN/RED WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CRUISE IND CRUISE/ETC/TCC BRK SIG DATA 2 (+) DK BLU WIRE DK BLU/WHT WIRE DK BLU/YEL WIRE DK GRN/WHT WIRE DRIVER INFORMATION CENTER DISPLAY ECM IGN FUSE ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) FUSE 20 FUSE 5 GMLAN GRY WIRE GRY/LT GRN WIRE HIGH SPD GMLAN SERIAL DATA (+) 1 HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LOGIC LOW SPD LT GRN/WHT WIRE MAIN RELAY FUSED SUPPLY 2 RED WIRE RED/BRN WIRE RED/WHT WIRE RED/YEL WIRE RUN/CRANK IGN 1 VOLT SERIAL SERIAL DATA (-) (1) SET/COAST/RESUME/ ACCELERATE SW THROTTLE ACTUATOR CTRL CLOSE THROTTLE ACTUATOR CTRL OPEN THROTTLE POS SENS LOW REF THROTTLE POS SENS SIG UNDERHOOD FUSE BLOCK UP/DOWN SW SIG VIO/LT GRN WIRE WHT WIRE WHT/BLU WIRE WHT/LT GRN WIRE WHT/RED WIRE YEL WIRE YEL/WHT WIRE

8 WAY ABS VLV FUSE AUTOMATIC TRANSMISSION ASSEMBLY BLK WIRE BODY CONTROL MODULE CODRVR PWR SEAT FUSE DK BLU/VIO WIRE DK GRN/VIO WIRE ECM IGN FUSE ELECTRONIC BRAKE CONTROL MODULE ENGINE CONTROL MODULE ETRS IGN FUSE FROM WASH PUMP FUSE (DIAGRAM 2 OF 8) FUSE FUSE 3 HTD WHL FUSE IGNITION MAIN RELAY INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE KEYLESS ENTRY CONTROL MODULE PASSENGER PRESENCE MODULE PASSENGER SEAT ADJUSTER AUXILIARY SWITCH PASSENGER SEAT ADJUSTER SWITCH PEPS FUSE PPL/BLK WIRE REAR CLOSR FUSE REAR COMPARTMENT LID UNLATCH RELAY RED WIRE RED/DK BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE SADS FUSE STEERING COLUMN LOCK MODULE STEERING WHEEL AIR BAG COIL STEERING WHEEL HEATING CONTROL MODULE STR COL LOCK FUSE TCM/ IGN FUSE TO MIL SS FUSE (DIAGRAM 3 OF 8) TRANSMISSION CONTROL MODULE VIO/GRY WIRE VIO/LT GRN WIRE YEL WIRE

A/C COMP CLUTCH RLY CTRL A/C COMPRESSOR CLUTCH RELAY A/C REFRIGERANT PRESSURE SENS SIG ACC WAKEUP SERIAL DATA AERO SHUTTER FUSE AIR CONDITIONING SYSTEM AIR TEMP SENS SIG ANTI-THEFT SYSTEM APP LOW REF 1 APP LOW REF 2 APP SIG (1) APP SIG (2) BATT POS VOLT BATTERY FUSE BLOCK BLK/DK BLU WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/GRY WIRE BRK POS SENS LOW REF BRK POS SENS SIG BRK VACUUM SENS SIG BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM COOLING FAN CTRL RELAY CTRL COOLING FANS SYSTEM CRUISE CONTROL SYSTEM CRUISE/ETC/TCC BRK SIG DATA OUT SIG DK BLU WIRE DK BLU/BLK WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ECM IGN FUSE ENGINE CONTROL MODULE ENGINE CONTROLS IGNITION RELAY ENGINE IND CTRL EVAP CANISTER VENT SOL CTRL EVAPORATIVE EMISSION VENT SOLENOID VALVE FUEL TANK PRESSURE SENS SIG FUSE 2 FUSED SPLY 1 FUSED SPLY 2 FUSED SPLY 3 GRY WIRE HI SPD GMLAN SERIAL DATA (+) (3) HI SPD GMLAN SERIAL DATA (-) (1) HOOD STATUS A SIG HOT AT ALL TIMES HUMIDITY SENS SIG IGN COIL FUSE LEFT CORNERING LAMP RELAY LT GRN/WHT WIRE MASS AIR FLOW SENS SIG PARK/NEUTRAL SIG (1) PWR/TRN OFF ENG FUSE PWR/TRN ON ENG FUSE RED/BRN WIRE RED/YEL WIRE RIGHT CORNERING LAMP RELAY RLY COIL CTRL RUN/CRANK IGN 1 VOLT SIG GND STARTER ENABLE RELAY CTRL STARTING/CHARGING SYSTEM TRANSMISSION CONTROL SYSTEM UNDERHOOD FUSE BLOCK VIO/DK BLU WIRE VIO/LT GRN WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRY WIRE WHT/LT GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE YEL/VIO WIRE YEL/WHT WIRE

A/C REFRIGERANT PRESSURE SENSOR ACCELERATOR PEDAL POSITION SENSOR ACTIVE GRILLE AIR SHUTTER MOTOR MODULE 1 ACTIVE GRILLE AIR SHUTTER MOTOR MODULE 2 AMBIENT AIR TEMPERATURE SENSOR BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/DK BLU WIRE BLK/LT GRN WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/GRY WIRE BRAKE BOOSTER VACUUM SENSOR BRAKE PEDAL POSITION SENSOR BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE BUS 21 COMPUTER DATA LINES SYSTEM DATA DK BLU WIRE DK BLU/WHT WIRE DK BLU/YEL WIRE DK GRN WIRE DK GRN/WHT WIRE FUSED GRY WIRE LOGIC LT GRN/VIO WIRE LT GRN/WHT WIRE RED/BRN WIRE RED/WHT WIRE SERIAL SPLY 6 VIO WIRE VIO/DK BLU WIRE VIO/LT GRN WIRE WHT WIRE WHT/LT GRN WIRE WHT/RED WIRE YEL/RED WIRE YEL/VIO WIRE

BANK 1 SENSOR 2 HEATED OXYGEN SENSOR BANK 2 SENSOR 2 HEATED OXYGEN SENSOR BLK/BRN WIRE BLK/GRN WIRE BLK/LT GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/WHT WIRE BODY CONTROL MODULE (UNDER FLOOR CONSOLE) BRK APPLY BRK APPLY SENS CTRL BRK APPLY SENS SIG BRN/GRY WIRE BRN/WHT WIRE CANISTER VENT SOL FUSE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK BLU/YEL WIRE ECM IGN FUSE FUEL TANK PRESSURE SENSOR FUSE 9 GRY WIRE GRY/RED WIRE GRY/WHT WIRE HI SPD GMLAN HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT PANEL FUSE BLOCK LT GRN/WHT WIRE MANIFOLD ABSOLUTE PRESSURE SENSOR NCA WIRE RED/BRN WIRE SENS LOW REF SERIAL DATA (-) (1) UNDERHOOD FUSE BLOCK VIO/DK BLU WIRE VIO/LT GRN WIRE WHT WIRE WHT/BRN WIRE WHT/DK BLU WIRE WHT/RED WIRE WHT/YEL WIRE YEL/DK BLU WIRE YEL/RED WIRE YEL/WHT 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

BANK 1 EXHAUST CAMSHAFT POSITION ACTUATOR SOLENOID VALVE BANK 1 INTAKE CAMSHAFT POSITION SENSOR BANK 2 EXHAUST CAMSHAFT POSITION ACTUATOR SOLENOID VALVE BLK/BRN WIRE BLK/GRY WIRE BLK/LT GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/GRY WIRE BRN WIRE BRN/DK BLU WIRE BRN/RED WIRE BRN/WHT WIRE DK BLU WIRE DK BLU/GRY WIRE DK BLU/VIO WIRE DK BLU/WHT WIRE DUTY CYCLE SIG ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) ENGINE COOLANT TEMPERATURE SENSOR EXHAUST SOL (1) EXHAUST SOL 2 FUEL INJECTOR 1 FUEL INJECTOR 2 FUEL INJECTOR 3 FUEL INJECTOR 4 FUEL INJECTOR 5 FUEL INJECTOR 6 FUEL LINE FUEL RAIL GRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/DK BLU WIRE GRY/WHT WIRE HI VOLT CTRL CYL 1 HI VOLT CTRL CYL 2 HI VOLT CTRL CYL 3 HI VOLT CTRL CYL 4 HI VOLT CTRL CYL 5 HI VOLT CTRL CYL 6 HI VOLT SPLY CYL 1 HI VOLT SPLY CYL 2 HI VOLT SPLY CYL 3 HI VOLT SPLY CYL 4 HI VOLT SPLY CYL 5 HI VOLT SPLY CYL 6 INTAKE SENS 1 INTAKE SENS CTRL 1 LOW REF (1) LT GRN WIRE LT GRN/BRN WIRE LT GRN/DK BLU WIRE LT GRN/GRY WIRE LT GRN/WHT WIRE LT GRN/YEL WIRE PRESSURE SENS SIG SIG GND STARTING/ CHARGING SYSTEM VIO/DK BLU WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/LT GRN WIRE VIO/WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/LT GRN WIRE X LOW REF YEL WIRE YEL/DK BLU WIRE YEL/VIO WIRE YEL/WHT WIRE Z LOW REF