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

ABS VLV FUSE BATT POS VOLT BLK WIRE BLU/BLK WIRE BLU/VIO WIRE BRAKE FLUID LEVEL SWITCH BRAKE PRESSURE MODULATOR BRK FLUID LEVEL SENS SIG BRN WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/YEL WIRE DK GRN/GRY WIRE DK GRN/VIO WIRE ELECTRONIC BRAKE CONTROL MODULE FUSE 3 GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/RED WIRE GRY/WHT WIRE GRY/YEL WIRE HI SPD GMLAN SERIAL DATA (-) (1) HI SPD GMLAN SERIAL DATA (-) (2) HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED LEFT FRONT WHEEL SPEED SENSOR LEFT REAR WHEEL SPEED SENSOR LF WHEEL SPD SENS CTRL LF WHEEL SPD SENS SIG LR PARK BRK MTR APPLY CTRL LR PARK BRK MTR LO REF LR WHEEL SPD SENS CTRL LR WHEEL SPD SENS SIG MIL SS FUSE NCA WIRE PARK BRK APPLY SW SIG PARK BRK APPLY SW VOLT REF PARK BRK RELEASE SW SIG PARK BRK RELEASE SW VOLT REF PARK BRK SW SIG PARK BRK SW SUPPLY VOLT RED/YEL WIRE RF WHEEL SPD SENS CTRL RF WHEEL SPD SENS SIG RIGHT FRONT WHEEL SPEED SENSOR RIGHT REAR WHEEL SPEED SENSOR RR PARK BRK MTR APPLY CTRL RR PARK BRK MTR LO REF RR WHEEL SPD SENS CTRL RR WHEEL SPD SENS SIG RUN/CRANK IGN 1 VOLT SERIAL DATA COMMUNICATION ENABLE SHIFT INTERLOCK SYSTEM UNDERHOOD FUSE BLOCK VIO WIRE VIO/GRY WIRE WHT WIRE WHT/DK BLU WIRE YEL WIRE YEL/RED WIRE

BACKUP LP CTRL BLK WIRE BLK/YEL WIRE DRIVER OUTSIDE REAR VIEW MIRROR GLASS DRIVER OUTSIDE REAR- VIEW MIRROR GRN WIRE GRN/WHT WIRE HOT W/ IGNITION MAIN RELAY ENERGIZED IP BODY IGN FUSE LOGIC INSIDE REAR VIEW MIRROR MIRROR DIMMING MIRROR LOW REF MIRROR SIG NCA WIRE RED WIRE RUN/CRANK IGN 1 VOLT UNDERHOOD FUSE BLOCK VIO/GRY WIRE WHT/BLK WIRE YEL/WHT 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

BLK WIRE BLU WIRE BRN/GRN WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DOOR AJAR IND DRIVER DOOR HANDLE KEYLESS ENTRY ANTENNA DRIVER EXTERIOR DOOR HANDLE ASSEMBLY DRIVER EXTERIOR DOOR HANDLE SWITCH DRIVER INFORMATION CENTER DISPLAY GRN WIRE GRN/BLK WIRE GRN/GRY WIRE GRN/YEL WIRE GRY/LT GRN WIRE INSTRUMENT CLUSTER LEFT REAR EXTERIOR DOOR HANDLE ASSEMBLY LEFT REAR EXTERIOR DOOR HANDLE SWITCH LO SPD GMLAN SERIAL DATA 2 LOGIC LT GRN WIRE PASSENGER DOOR HANDLE KEYLESS ENTRY ANTENNA PASSENGER EXTERIOR DOOR HANDLE ASSEMBLY PASSENGER EXTERIOR DOOR HANDLE SWITCH PPL REAR FASCIA KEYLESS ENTRY ANTENNA RED WIRE RIGHT REAR EXTERIOR DOOR HANDLE ASSEMBLY RIGHT REAR EXTERIOR DOOR HANDLE SWITCH SECURITY IND VIO WIRE VIO/BLK WIRE VIO/GRY WIRE VIO/WHT WIRE VIO/YEL WIRE WHT/YEL WIRE YEL WIRE YEL/GRY WIRE

ACC IGN VOLT ACTIVE SIG ACTR CTRL ACTR RECEIVE ACTR TRANSMIT AMBIENT LIGHT/SUNLOAD SENSOR BATT POSITIVE VOLT BLK WIRE BLU WIRE BODY CONTROL MODULE (UNDER FLOOR CONSOLE) BRN WIRE BRN/GRN WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DATA BUS 3 DK BLU WIRE DK GRN/YEL WIRE DR LCK ACTUATOR LCK CTRL DR LCK ACTUATOR LCK CTRL 2 DR LCK ACTUATOR UNLCK CTRL DRIVER DOOR LOCK SWITCH DRV DR LCK SW LCK SIG DRV DR LCK SW UNLCK SIG ENGINE CONTROL MODULE FUSE 20 FUSE 41 GRY WIRE GRY/WHT WIRE HAZARD SW SIG HEADLAMP HI BEAM RLY CTRL HEADLIGHTS SYSTEM HOOD AJAR SWITCH HOOD STATUS A SIG HOOD STATUS B SIG HORN RLY CTRL HORNS SYSTEM HOT AT ALL TIMES IND DIMMING CTRL INSTRUMENT PANEL FUSE BLOCK INTERIOR LIFTGATE AJAR SW SIG 1 LIGHTS SYSTEM LOGIC LR DR LCK MTR STATUS LT GRN WIRE PASS DR LCK SW LCK CTRL PASS DR LCK SW UNLCK CTRL PASSENGER DOOR LOCK SWITCH PASSENGER WINDOW MOTOR PPL REAR COMPARTMENT LID LATCH RED/BRN WIRE RED/YEL WIRE REMOTE CONTROL DOOR LOCK RECEIVER REMOTE FUNCTION ACTR CTRL REMOTE FUNCTION ACTR RECEIVE SIG REMOTE FUNCTION ACTR TRANSMIT SIG GND RF DR AJAR RR DR LCK MTR STATUS RUN/CRANK IGN 1 VOLT SECURITY IND CTRL SERIAL DATA (-) (1) SIG SW SIG VIO WIRE VIO/BLK WIRE VIO/GRY WIRE VIO/YEL WIRE WHT WIRE WHT/VIO WIRE YEL WIRE YEL/DK BLU WIRE YEL/DK GRN WIRE YEL/VIO WIRE

BLK WIRE BRN WIRE FUSE GROUND GROUND DISTRIBUTION SYSTEM GRY/GRN WIRE HEATED STEERING WHEEL IND HEATED STEERING WHEEL SWITCH HOT W/ IGNITION MAIN RELAY ENERGIZED HTD WHL FUSE IGN INSIDE STEERING WHEEL) LEFT STEERING WHEEL CONTROLS SWITCH LOGIC LT BLU WIRE ORG/ WIRE PNK SW LED CTRL WIRE PPL/BLU WIRE RED WIRE RED/BLK WIRE RIGHT STEERING WHEEL CONTROLS SWITCH STEERING WHEEL AIR BAG COIL STEERING WHEEL HEATER STEERING WHEEL HEATING CONTROL MODULE SW SIG UNDERHOOD FUSE BLOCK VIO/GRY WIRE VOLT REF WHT WIRE YEL WIRE

BATT POSITIVE VOLT BLK WIRE BLK/BLU WIRE BLK/DK BLU WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/GRN WIRE BRN/GRY WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/DK GRN WIRE DK GRN/WHT WIRE DOWN DOWN SW SIG DRIVER SEAT MEMORY SWITCH EXIT FORWARD SW SIG FUSE 6 GRN/WHT WIRE GRY/VIO WIRE HOT AT ALL TIMES ILL INSTRUMENT PANEL FUSE BLOCK LIN SERIAL DATA BUS 8 LOW SPEED GMLAN SERIAL DATA LIN DATA BUS 8 LT BLU/YEL WIRE LT GRN WIRE LT GRN/BRN WIRE MEM SEAT SW SET SIG MEM SEAT SW SIG (1) MEM SW LOW REF MTR FORWARD CTRL MTR REARWARD CTRL REARWARD SW SIG RED WIRE RED/BLU WIRE RED/BRN WIRE RED/DK BLU WIRE RWD SEAT MEMORY CONTROL MODULE SET- STEERING COLUMN POSITION CONTROL MODULE STEERING COLUMN TELESCOPE MOTOR STEERING COLUMN TILT MOTOR STEERING COLUMN TILT, TELESCOPE SWITCH SW LOW REF TELESCOPE MTR LOW REF TELESCOPE MTR SIG TILT MTR DOWN CTRL TILT MTR LOW REF TILT MTR SIGNAL TILT MTR UP CTRL UNDERHOOD FUSE BLOCK UP SW SIG VIO/GRY WIRE WHT WIRE WHT/BLK WIRE WNDW MIR SEAT FUSE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE

2 WAY 8 WAY AIR QUALITY SENSOR BLU WIRE CHASSIS CONTROL MODULE COLLISION ALERT INDICATORS DK BLU WIRE DRIVER BACK SEAT BLOWER MOTOR DRIVER CUSHION SEAT BLOWER MOTOR DRIVER SEAT LUMBAR SUPPORT PUMP DRIVER SEAT LUMBAR SUPPORT SWITCH DRIVER WINDOW/ OUTSIDE REAR VIEW MIRROR SWITCH ELECTRONIC BRAKE CONTROL MODULE FROM EBOOST/ COOL FAN LT FUSE (DIAGRAM 2 OF 8) FROM IGNITION MAIN RELAY (DIAGRAM 8 OF 8) FUEL PUMP DRIVER CONTROL MODULE HEADLAMP SWITCH HVAC CONTROL MODULE INSIDE REAR VIEW MIRROR INSTRUMENT CLUSTER IP BODY IGN FUSE MIL SS FUSE NCA WIRE PASSENGER BACK SEAT BLOWER MOTOR PASSENGER CUSHION SEAT BLOWER MOTOR PASSENGER SEAT LUMBAR SUPPORT PUMP PASSENGER SEAT LUMBAR SUPPORT SWITCH PASSENGER WINDOW SWITCH PNK WIRE REAR VIEW CAMERA REAR WINDOW SUNSHADE MODULE RED WIRE RED/BLU WIRE RED/DK BLU WIRE RVC/VENT FUSE SEAT MEMORY CONTROL MODULE TRANSMISSION RANGE CONTROL MODULE UNDERHOOD FUSE BLOCK VIO WIRE VIO/BLK WIRE VIO/GRY WIRE VIO/WHT WIRE W/ DRIVER MASSAGE SEAT CONTROL, FRONT SEAT HEATER W/ EXPRESS UP/DOWN W/ FRONT SEAT HEATER W/ LIGHT SENSITIVE MIRROR W/ MASSAGE SEAT CONTROL W/ PASSENGER MASSAGE SEAT CONTROL, FRONT SEAT HEATER WNDW MIR SEAT FUSE

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

BATTERY POSITIVE VOLT BLK WIRE BLK/YEL WIRE BLU/BLK WIRE BRN/GRY WIRE COMPUTER DATA LINES SYSTEM DK GRN/WHT WIRE DOWN SWITCH SIGNAL FORWARD SWITCH SIGNAL FUSE 6 GROUND GRY/VIO WIRE HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK LIN SERIAL DATA BUS 8 LOW REF LT BLU/YEL WIRE LT GRN/BRN WIRE REARWARD SWITCH SIGNAL RED/BRN WIRE STEERING COLUMN POSITION CONTROL MODULE STEERING COLUMN TELESCOPE MOTOR STEERING COLUMN TILT MOTOR STEERING COLUMN TILT, TELESCOPE SWITCH TELESCOPE MOTOR FORWARD CTRL TELESCOPE MOTOR LOW REF TELESCOPE MOTOR REARWARD CTRL TELESCOPE MOTOR SIGNAL TILT MOTOR DOWN CTRL TILT MOTOR LOW REF TILT MOTOR SIGNAL TILT MOTOR UP CTRL UP SWITCH SIGNAL VIO/GRY WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE