Buick LaCrosse III (2016-2019) fuse 39 Wiring diagrams

AIR QUALITY SENS SIG AMBIENT LIGHT/SUNLOAD SENSOR (TOP CENTER OF DASH) BATT POS VOLT BLK WIRE BLK/BLU WIRE BLOWER MOTOR (BOTTOM OF HVAC BLOWER HOUSING) BLWR MTR SPD CTRL BRN WIRE BUS 15 COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DK BLU WIRE DK BLU/BRN WIRE DK BLU/GRY WIRE DK BLU/YEL WIRE DK GRN/WHT WIRE DK GRN/YEL WIRE DOOR LOCKS, ANTI-THEFT SYSTEMS ELECTRIC VARIABLE DISPLACEMENT CTRL ELECTRIC VARIABLE DISPLACEMENT SUPPLY FUSE 33 FUSE 39 FUSE 4 GROUND GRY WIRE GRY/BLU WIRE GRY/GRN WIRE HEADLIGHTS SYSTEM HOT AT ALL TIMES HUMIDITY SENSOR SIGNAL HUMIDITY TEMPERATURE SENSOR SIGNAL HUMIDITY/WINDSCREEN TEMPERATURE SENSOR LOW REFERENCE HVAC CONTROL MODULE (BEHIND HVAC CONTROLS) INSIDE AIR TEMPERATURE SENSOR SIGNAL INSTRUMENT PANEL FUSE BLOCK LINEAR INTERCONNECT NETWORK SERIAL DATA BUS 9 LOGIC LOGIC WINDSHIELD TEMPERATURE, INSIDE MOISTURE SENSOR LOW SPEED GMLAN SERIAL DATA LT GRN WIRE REAR DEFOG RELAY CTRL RED/DK BLU WIRE RED/LT BLU WIRE RED/VIO WIRE RED/WHT WIRE RUN/CRANK IGNITION 1 VOLTAGE SERIAL DATA SOLAR SENSOR DRIVER SIGNAL SOLAR SENSOR LOW REFERENCE VIO/GRY WIRE VIO/WHT WIRE W/ ONSTAR W/O ONSTAR WHT WIRE WINDSCREEN TEMPERATURE SENSOR SIGNAL YEL WIRE YEL/BLU WIRE YEL/RED WIRE

BATT POS VOLT BLK WIRE BRIGHTNESS DK GRN/BLK WIRE FUSE 39 GROUND GY HEAD UP DISPLAY SIG HEAD-UP DISPLAY HEAD-UP DISPLAY SWITCH HOT AT ALL TIMES HUD HUD SW LOW REF HUD SW SIG ILL INFO INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LIN SERIAL DATA BUS 12 LOGIC LT GRN WIRE LVDS RED/DK BLU WIRE RED/LT BLU WIRE YEL WIRE YEL/WHT WIRE

"CHECK ENGINE" IND CTRL ABS IND. ADAPTIVE CRUISE IND AFL IND AIR BAG IND AUTO STOP IND BATT POS VOLT BLK WIRE BRAKE IND BRAKE WARNING IND BRN WIRE CHARGING IND COMPUTER DATA LINES SYSTEM CRUISE IND DATA BUS 3 DATA BUS 4 DK GRN/BLK WIRE DK GRN/GRY WIRE DK GRN/YEL WIRE DOOR OPEN IND DOWN DRIVER DOOR LATCH ASSEMBLY DRIVER INFORMATION CENTER DISPLAY ECS IND ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE GAUGE ENGINE COOLANT TEMPERATURE IND ENGINE OIL PRESSURE IND ESC OFF IND FORWARD COLLISION ALERT LED CTRL FRONT FOG LAMP IND FUEL GAUGE FUSE 21 FUSE 39 GRY WIRE GRY/LT GRN WIRE GRY/VIO WIRE HEAD-UP DISPLAY CIRCUIT HEAD-UP DISPLAY SIG HIGH BEAM LAMP IND HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGNITION 1 VOLT ILLUMINATION INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK KM/H IND LANE DEPARTURE WARNING IND LANE KEEPING ASSIST IND LED DISPLAY DIMMING CTRL LEFT LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR WINDOW SWITCH LEFT TURN IND LF DR AJAR LIN SERIAL DATA BUS 12 LOGIC LOGIC DRIVER WINDOW MOTOR LOW SPD GMLAN SER DATA 2 LR DR AJAR LVDS BK MALFUNCTION IND MIL SS FUSE MOST SERIAL DATA (+) MPH IND NAVIGATION SYSTEM PARK BRAKE IND PARK IND PARK LAMP IND REAR FOG LAMP IND RED/DK BLU WIRE RED/LT BLU WIRE RIGHT RIGHT STEERING WHEEL CONTROLS SWITCH RIGHT TURN IND SEAT BELT IND SECURITY IND SEEK DOWN SEEK UP SELECT SERVICE PARK BRAKE IND SPEEDOMETER SW SIG TACHOMETER TIRE PRESSURE IND TRACTION CONTROL OFF IND UNDERHOOD FUSE BLOCK VIO WIRE VIO/GRY WIRE WHT WIRE WHT/GRN WIRE

BATT POS VOLT BLK WIRE COMPUTER DATA LINES SYSTEM DIMMING CONTROL DK BLU/BLK WIRE FUSE 39 FUSE 42 GMLAN SERIAL DATA 2 GRN/VIO WIRE GROUND GRY/BLK WIRE GRY/GRN WIRE GRY/VIO WIRE HOT AT ALL TIMES ILL INFOTAINMENT CONTROL TOUCHPAD INSTRUMENT PANEL FUSE BLOCK MOST CONTROL MOST SERIAL DATA (+) RED/BLU WIRE RED/LT BLU WIRE RED/VIO WIRE RIGHT FRONT DOOR SPEAKER RIGHT FRONT TWEETER SPEAKER RIGHT REAR DOOR SPEAKER RIGHT REAR WINDOW SHELF SPEAKER WHT WIRE WHT/GRN WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE

CANISTER VENT SOL FUSE DRIVER SEAT ADJUSTER SWITCH DRIVER SEAT LUMBAR SUPPORT PUMP DRIVER SEAT MASSAGE SWITCH DRVR PWR SEAT FUSE EVAPORATIVE EMISSION VENT SOLENOID VALVE FROM BATTERY FUSE BLOCK (DIAGRAM 1 OF 8) FROM HEADLAMP HIGH BEAM RELAY (DIAGRAM 2 OF 8) FRONT FOG LAMP RELAY FRONT SEAT HEATING CONTROL MODULE FRT HEATED SEAT FUSE FUSE 1 FUSE 10 FUSE 11 FUSE 12 FUSE 13 FUSE 14 FUSE 15 FUSE 16 FUSE 17 FUSE 18 FUSE 19 FUSE 2 FUSE 21 FUSE 22 FUSE 24 FUSE 25 FUSE 26 FUSE 27 FUSE 28 FUSE 3 FUSE 31 FUSE 33 FUSE 34 FUSE 35 FUSE 38 FUSE 39 FUSE 4 FUSE 40 FUSE 41 FUSE 42 FUSE 5 FUSE 6 FUSE 7 FUSE 8 FUSE 9 PASSENGER SEAT LUMBAR SUPPORT PUMP PASSENGER SEAT MASSAGE SWITCH REAR SEAT HEATING CONTROL MODULE RED/BLU WIRE RED/BRN WIRE RED/GRY WIRE RED/LT GRN WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE SEAT MEMORY CONTROL MODULE SUNROOF FUSE SUNROOF MOTOR W/ FRONT SEAT HEATER W/ MASSAGE SEAT CONTROL W/ MASSAGE SEAT CONTROL, FRONT SEAT HEATER

ACTIVE SAFETY CONTROL MODULE AUDIO/ VIDEO INPUT ADAPTER AUXILIARY AUDIO INPUT AUXILIARY HVAC CONTROL MODULE BASE RADIO BLU WIRE CHASSIS CONTROL MODULE DK BLU WIRE DK GRN WIRE DRIVER SEATBACK VIDEO DISPLAY FROM BATTERY FUSE BLOCK (DIAGRAM 1 OF 8) FRONT VIEW CAMERA (IF EQUIPPED) FUSE 35 FUSE 38 FUSE 39 FUSE 40 FUSE 42 GRY WIRE HEAD-UP DISPLAY HUMAN MACHINE INTERFACE CONTROL MODULE HVAC CONTROLS INFO DISPLAY MODULE INFOTAINMENT CONTROL TOUCHPAD INSTRUMENT CLUSTER LEFT SIDE OBJECT SENSOR MODULE LONG RANGE RADAR SENSOR MODULE LT BLU WIRE MEDIA DISC PLAYER PARKING ASSIST CONTROL MODULE PASSENGER SEATBACK VIDEO DISPLAY PREMIUM RADIO RADIO RED WIRE RED/BLU WIRE RED/DK BLU WIRE RED/GRY WIRE RED/LT BLU WIRE RED/VIO WIRE RED/YEL WIRE RIGHT SIDE OBJECT SENSOR MODULE TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE TO FUSE 23 (DIAGRAM 6 OF 8) TO FUSE 41 (DIAGRAM 6 OF 8) W/ ONSTAR

BATT POS VOLT BATT POST VOLT BLK WIRE BRN/DK BLU WIRE COMPUTER DATA LINES SYSTEM DIMMING CONTROL DK BLU WIRE DK BLU/BLK WIRE DK GRN WIRE DK GRN/BLK WIRE FUSE 39 FUSE 42 GROUND GRY/GRN WIRE GRY/VIO WIRE HOT AT ALL TIMES INFOTAINMENT CONTROL TOUCHPAD INSTRUMENT PANEL FUSE BLOCK LEFT FRONT DOOR SPEAKER LEFT FRONT TWEETER SPEAKER LEFT REAR DOOR SPEAKER LF SPEAKER (+) (1) LF SPEAKER SIG (-) 1 LR SPEAKER (+) CTRL LR SPEAKER SIG (-) MOST CONTROL MOST SERIAL DATA (+) MOST SERIAL DATA (-) GMLAN SERIAL DATA 2 RADIO RED/BLU WIRE RED/LT BLU WIRE RED/VIO WIRE RF SPEAKER (+) (1) RF SPEAKER SIG (-) 1 RIGHT FRONT DOOR SPEAKER RIGHT FRONT TWEETER SPEAKER RIGHT REAR DOOR SPEAKER RR SPEAKER (+) CTRL RR SPEAKER SIG (-) SIG GND WHT WIRE WHT/GRN WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE

BATT POS VOLT BLK WIRE COMPUTER DATA LINES SYSTEM DIMMING CONTROL DK BLU/BLK WIRE FUSE 39 FUSE 42 GRN/VIO WIRE GROUND GRY/BLK WIRE GRY/GRN WIRE GRY/VIO WIRE HOT AT ALL TIMES ILL INFOTAINMENT CONTROL TOUCHPAD INSTRUMENT PANEL FUSE BLOCK MOST CONTROL MOST SERIAL DATA (+) MOST SERIAL DATA (-) GMLAN SERIAL DATA 2 RED/BLU WIRE RED/LT BLU WIRE RED/VIO WIRE RIGHT FRONT DOOR SPEAKER RIGHT FRONT TWEETER SPEAKER RIGHT REAR DOOR SPEAKER RIGHT REAR WINDOW SHELF SPEAKER WHT WIRE WHT/GRN WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE

BATT POS VOLT BLK WIRE COMPUTER DATA LINES SYSTEM DIMMING CONTROL DK BLU/BLK WIRE FUSE 39 FUSE 42 GRN/VIO WIRE GROUND GRY/BLK WIRE GRY/GRN WIRE GRY/VIO WIRE HOT AT ALL TIMES INFOTAINMENT CONTROL TOUCHPAD INSTRUMENT PANEL FUSE BLOCK LEFT REAR TRIM PANEL SPEAKER MOST CONTROL MOST SERIAL DATA (+) MOST SERIAL DATA (-) GMLAN SERIAL DATA 2 RED/BLU WIRE RED/LT BLU WIRE RED/VIO WIRE RIGHT FRONT DOOR SPEAKER RIGHT FRONT TWEETER SPEAKER RIGHT REAR DOOR SPEAKER RIGHT REAR TRIM PANEL SPEAKER RIGHT SUBWOOFER SPEAKER WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE

AUDIO/VIDEO INPUT ADAPTER BACKWARD BK LVDS BK USB BLK WIRE BRN/GRY WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DRIVER SEATBACK VIDEO DISPLAY FORWARD/ FUSE 39 FUSE 42 GRY/GRN WIRE GRY/VIO WIRE GY LVDS HEADPHONE HOT AT ALL TIMES HUMAN MACHINE INTERFACE CONTROL MODULE INSTRUMENT PANEL FUSE BLOCK LOGIC LOGIC AUXILIARY AUDIO INPUT LOGIC INFO DISPLAY MODULE LT BLU/VIO WIRE LT GRN/WHT WIRE LT GRN/YEL WIRE LVDS LVDS GY LVDS LVDS LVDS MEDIA DISC PLAYER NCA WIRE PASSENGER SEATBACK VIDEO DISPLAY RED/BLU WIRE RED/DK BLU WIRE RED/LT BLU WIRE RED/VIO WIRE SERIAL DATA 2 SERIAL DATA BUS 10 USB USB SERIAL DATA USB USB VIDEO+ VOLUME- WH LVDS WHT/GRN WIRE WHT/LT GRN WIRE WHT/VIO WIRE