Buick LaCrosse III (2016-2019) lo spd gmlan serial data Wiring diagrams

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

ACC WAKEUP SERIAL DATA BLU/GRY WIRE CHASSIS CONTROL MODULE (FRONT OF FLOOR CONSOLE) DK BLU WIRE DK BLU/BLK WIRE DK BLU/VIO WIRE DK BLU/YEL WIRE DK GRN/DK BLU WIRE ELECTRONIC BRAKE CONTROL MODULE FRONT OBJECT FRONT OBJECT SENS CTRL 2 FUEL PUMP DRIVER CONTROL MODULE GRY/VIO WIRE HI SPD GMLAN HI SPD GMLAN SERIAL DATA (+) (3) HI SPD GMLAN SERIAL DATA (+) 4 HI SPD GMLAN SERIAL DATA (+) 8 HI SPD GMLAN SERIAL DATA (-) (1) HI SPD GMLAN SERIAL DATA (-) (2) HIGH SPEED BUS TERMINATING RESISTOR LIN SERIAL DATA BUS 26 LO SPD GMLAN SERIAL DATA LONG RANGE RADAR SENSOR MODULE LT GRN WIRE POWER STEERING CONTROL MODULE SENS CTRL 2 SERIAL DATA (-) 4 SERIAL DATA COMM ENABLE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VIO/YEL WIRE W/ PARKING ASSIST W/O PARKING ASSIST W/ BRAKE PREFILL INTEGRATED BRAKE ASSIST W/O BRAKE PREFILL INTEGRATED BRAKE ASSIST WHT WIRE WHT/DK BLU WIRE WHT/GRY WIRE

ACC IGN VOLT ACTIVE SIG ANT 1 SIG HI ANT 1 SIG LO ANT 2 SIG HI ANT 2 SIG LO ANT 3 SIG HI ANT 3 SIG LO ANT SIG HI ANT SIG LO BATT POSITIVE VOLT BLK WIRE BLK/GRY WIRE BLU WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/YEL WIRE CENTER CONSOLE FRONT KEYLESS ENTRY ANTENNA CENTER CONSOLE REAR KEYLESS ENTRY ANTENNA COMPUTER DATA LINES SYSTEM DK GRN/BLK WIRE DRV DR ANT SIG HI DRV DR ANT SIG LO DRV DR HANDLE SW SIG DRV DR OPEN SW SIG GRN WIRE GRN/BLK WIRE GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES IGNITION MODE SWITCH KEYLESS ENTRY CONTROL MODULE LO SPD GMLAN SERIAL DATA LR DR HANDLE SW SIG LT GRN WIRE PASS DR ANT SIG HI PASS DR ANT SIG LO PASSIVE START SW 2 LO REF PASSIVE START SW SIG 2 PEPS FUSE POWER DISTRIBUTION SYSTEM PPL PPL PASS DR HANDLE SW SIG RAP RLY 2 COIL CTRL REAR COMPARTMENT KEYLESS ENTRY ANTENNA RED/WHT WIRE RR DR HANDLE SW SIG RUN/CRANK IGN 1 VOLT UNDERHOOD FUSE BLOCK VIO WIRE VIO/BLK WIRE VIO/GRY WIRE VIO/YEL WIRE WHT WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE YEL/GRY WIRE

ACC IGN VOLT ACTIVE SIG ANT 1 SIG HI ANT 1 SIG LO ANT 2 SIG HI ANT 2 SIG LO ANT 3 SIG HI ANT 3 SIG LO ANT SIG HI ANT SIG LO BATT POSITIVE VOLT BLK WIRE BLK/GRY WIRE BLU WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/YEL WIRE CENTER CONSOLE FRONT KEYLESS ENTRY ANTENNA CENTER CONSOLE REAR KEYLESS ENTRY ANTENNA COMPUTER DATA LINES SYSTEM DK GRN/BLK WIRE DRV DR ANT SIG HI DRV DR ANT SIG LO DRV DR HANDLE SW SIG DRV DR OPEN SW SIG GRN WIRE GRN/BLK WIRE GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES IGNITION MODE SWITCH KEYLESS ENTRY CONTROL MODULE LO SPD GMLAN SERIAL DATA LR DR HANDLE SW SIG LT GRN WIRE PASS DR ANT SIG HI PASS DR ANT SIG LO PASSIVE START SW 2 LO REF PASSIVE START SW SIG 2 PEPS FUSE POWER DISTRIBUTION SYSTEM PPL PPL PASS DR HANDLE SW SIG RAP RLY 2 COIL CTRL REAR COMPARTMENT KEYLESS ENTRY ANTENNA RED/WHT WIRE RR DR HANDLE SW SIG RUN/CRANK IGN 1 VOLT UNDERHOOD FUSE BLOCK VIO WIRE VIO/BLK WIRE VIO/GRY WIRE VIO/YEL WIRE WHT WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE YEL/GRY WIRE

AUTOMATIC TRANSMISSION ASSEMBLY BATTERY BATTERY CURRENT SENSOR BATTERY FUSE BLOCK BLK WIRE BLK/GRY WIRE BLK/WHT WIRE BLU/GRN WIRE BODY CONTROL MODULE (UNDER FLOOR CONSOLE) CHARGING CIRCUIT COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN/BLK WIRE DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) FUSE 1 FUSE 2 GMLAN SERIAL DATA GMLAN SERIAL DATA - 1 GRY WIRE GRY/LT GRN WIRE HIGH SPEED GMLAN SERIAL DATA (-) (1) HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED IGN COIL FUSE IGNITION MODE SWITCH INSTRUMENT CLUSTER KEYLESS ENTRY CONTROL MODULE (RIGHT KICK PANEL) LO SPD GMLAN SERIAL DATA LOGIC LOW REF LOW SPEED LT GRN WIRE MAIN RLY FUSED SPLY 2 MODE VOLTAGE PARK/NEUTRAL SIG (1) PASSIVE START SW SIG 2 RED WIRE RED/YEL WIRE SIG GND STARTER ENABLE RELAY CTRL STARTER MOTOR STARTER RELAY STRTR MTR FUSE TRANSMISSION CONTROL MODULE TRANSMISSION PARK/ NEUTRAL SIG 1 UNDERHOOD FUSE BLOCK VIO WIRE VIO/DK BLU WIRE WHT WIRE WHT/GRY WIRE YEL WIRE YEL/BLK WIRE