Buick LaCrosse II facelift (2013-2016) hood ajar switch (front of engine compt) Wiring diagrams

18 12 RR STATUS SIG LR STATUS SIG 2 18 LOCK CTRL (2) HEADLAMP HI 4 1 UNLOCK CTRL LOCK CTRL 2 4 19 15 POS VOLT LOCK SIG UNLOCK SIG 4 6 NETWORK BUS 3 AJAR SW SIG AJAR SW SIG 1 AMBIENT LIGHT/ SUNLOAD SENSOR (CENTER OF DASH) BCM 8 SIDE OF DASH) FUSE BLK WIRE BM RLY CTRL 25 27 16 RCDLR POWER RCDLR DATA TRANSMIT RCDLR GROUND BODY CONTROL MODULE (LEFT SIDE OF DASH) BRN/LT GRN WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/VIO WIRE DK BLU/WHT WIRE DRIVER DOOR LATCH ASSEMBLY DRIVER DOOR LOCK SWITCH DRIVER WINDOW MOTOR (DRIVER'S DOOR) DRIVER WINDOW SWITCH GRN WIRE GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/LT GRN WIRE GRY/WHT WIRE HEADLIGHTS SYSTEM HOOD AJAR SW SIG HOOD AJAR SWITCH (FRONT OF ENGINE COMPT) HORN RLY HORNS SYSTEM HOT AT ALL TIMES HVAC CONTROL MODULE HYBRID POWERTRAIN CONTROL MODULE HYBRID/EV BATTERY PACK (HYBRID) (RIGHT SIDE OF LUGGAGE COMPT) INSTRUMENT PANEL FUSE BLOCK (LOWER LEFT LOCK RELAY CTRL NETWORK BUS 3 NETWORK BUS 4 PASSENGER DOOR LATCH ASSEMBLY PASSENGER DOOR LOCK SWITCH PPL RCDLR DATA RECEIVE RED/VIO WIRE SECURITY IND CTRL STARTER/GENERATOR CONTROL MODULE STATUS CTRL UNLOCK SIG VIO/GRY WIRE VIO/YEL WIRE WHT/VIO WIRE YEL WIRE YEL/LT GRN WIRE

ACCESSORY VOLTAGE AJAR SW SIG AMBIENT LIGHT/ SUNLOAD HVAC SENSOR CONTROL (CENTER MODULE OF DASH) BATT POS VOLT BCM 3 FUSE BCM 6 FUSE BLK WIRE BODY CONTROL MODULE (BCM) (LEFT SIDE OF DASH) BRN/LT GRN WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DRIVER DOOR LOCK SWITCH DRV DR LK SW LK SIG DRV DR LK SW UNLK SIG DRV DR LK UNLK CTRL GRN WIRE GRN/GRY WIRE GRY WIRE GRY/BLK WIRE GRY/LT GRN WIRE HDLP HI BEAM RLY CTRL HEADLIGHTS SYSTEM HOOD AJAR SW SIG HOOD AJAR SWITCH (FRONT OF ENGINE COMPT) HORN RLY CTRL HORNS SYSTEM HOT AT ALL TIMES HYBRID POWERTRAIN CONTROL MODULE STARTER/GENERATOR CONTROL MODULE HYBRID/EV BATTERY PACK (HYBRID) (RIGHT SIDE OF LUGGAGE COMPT) INSTRUMENT PANEL FUSE BLOCK (LOWER LEFT SIDE OF DASH) LK MTR STATUS SIG LR LK MTR STATUS SIG RR LOCK CTRL LOCK CTRL 2 LOCK RELAY CTRL LT GRN/YEL WIRE NETWORK BUS 4 PASS DR UN LK LTCH CTRL PASSENGER DOOR LOCK SWITCH POS VOLT PPL RCDLR DATA GND RCDLR DATA RECEIVE RCDLR DATA TRANSMIT RCDLR POWER RED/WHT WIRE RIGHT REAR WINDOW SWITCH RUN/CRANK IGN 1 VOLT SECURITY IND CTRL UNDERHOOD FUSE BLOCK (LEFT SIDE OF BATTERY) VIO/BLK WIRE VIO/GRY WIRE VIO/YEL WIRE YEL WIRE

BATT POS VOLT BCM 6 (LEFT SIDE FUSE OF BATTERY) BLK WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) BRN/LT GRN WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY GRN/GRY WIRE GRN/VIO WIRE GRY/BLK WIRE HOOD AJAR SW SIG HOOD AJAR SWITCH (FRONT OF ENGINE COMPT) HOT AT ALL TIMES HYBRID POWERTRAIN CONTROL MODULE IMMOBILIZER CONTROL MODULE (CENTER CONSOLE) INSTRUMENT CLUSTER LOGIC NETWORK BUS 11 PPL RED/WHT WIRE SECURITY IND UNDERHOOD FUSE BLOCK VEH IMMOBILIZER RTN VEH SPLY VOLT W/ KEYLESS ENGINE START SWITCH WHT/GRN WIRE YEL WIRE

18 12 RR STATUS SIG LR STATUS SIG 2 18 LOCK CTRL (2) HEADLAMP HI 4 1 UNLOCK CTRL LOCK CTRL 2 4 19 15 POS VOLT LOCK SIG UNLOCK SIG 4 6 NETWORK BUS 3 AJAR SW SIG AJAR SW SIG 1 AMBIENT LIGHT/ SUNLOAD SENSOR (CENTER OF DASH) BCM 8 SIDE OF DASH) FUSE BLK WIRE BM RLY CTRL 25 27 16 RCDLR POWER RCDLR DATA TRANSMIT RCDLR GROUND BODY CONTROL MODULE (LEFT SIDE OF DASH) BRN/LT GRN WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/VIO WIRE DK BLU/WHT WIRE DRIVER DOOR LATCH ASSEMBLY DRIVER DOOR LOCK SWITCH DRIVER WINDOW MOTOR (DRIVER'S DOOR) DRIVER WINDOW SWITCH GRN WIRE GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/LT GRN WIRE GRY/WHT WIRE HEADLIGHTS SYSTEM HOOD AJAR SW SIG HOOD AJAR SWITCH (FRONT OF ENGINE COMPT) HORN RLY HORNS SYSTEM HOT AT ALL TIMES HVAC CONTROL MODULE HYBRID POWERTRAIN CONTROL MODULE HYBRID/EV BATTERY PACK (HYBRID) (RIGHT SIDE OF LUGGAGE COMPT) INSTRUMENT PANEL FUSE BLOCK (LOWER LEFT LOCK RELAY CTRL NETWORK BUS 3 NETWORK BUS 4 PASSENGER DOOR LATCH ASSEMBLY PASSENGER DOOR LOCK SWITCH PPL RCDLR DATA RECEIVE RED/VIO WIRE SECURITY IND CTRL STARTER/GENERATOR CONTROL MODULE STATUS CTRL UNLOCK SIG VIO/GRY WIRE VIO/YEL WIRE WHT/VIO WIRE YEL WIRE YEL/LT GRN WIRE

ACCESSORY VOLTAGE AJAR SW SIG AMBIENT LIGHT/ SUNLOAD HVAC SENSOR CONTROL (CENTER MODULE OF DASH) BATT POS VOLT BCM 3 FUSE BCM 6 FUSE BLK WIRE BODY CONTROL MODULE (BCM) (LEFT SIDE OF DASH) BRN/LT GRN WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DRIVER DOOR LOCK SWITCH DRV DR LK SW LK SIG DRV DR LK SW UNLK SIG DRV DR LK UNLK CTRL GRN WIRE GRN/GRY WIRE GRY WIRE GRY/BLK WIRE GRY/LT GRN WIRE HDLP HI BEAM RLY CTRL HEADLIGHTS SYSTEM HOOD AJAR SW SIG HOOD AJAR SWITCH (FRONT OF ENGINE COMPT) HORN RLY CTRL HORNS SYSTEM HOT AT ALL TIMES HYBRID POWERTRAIN CONTROL MODULE STARTER/GENERATOR CONTROL MODULE HYBRID/EV BATTERY PACK (HYBRID) (RIGHT SIDE OF LUGGAGE COMPT) INSTRUMENT PANEL FUSE BLOCK (LOWER LEFT SIDE OF DASH) LK MTR STATUS SIG LR LK MTR STATUS SIG RR LOCK CTRL LOCK CTRL 2 LOCK RELAY CTRL LT GRN/YEL WIRE NETWORK BUS 4 PASS DR UN LK LTCH CTRL PASSENGER DOOR LOCK SWITCH POS VOLT PPL RCDLR DATA GND RCDLR DATA RECEIVE RCDLR DATA TRANSMIT RCDLR POWER RED/WHT WIRE RIGHT REAR WINDOW SWITCH RUN/CRANK IGN 1 VOLT SECURITY IND CTRL UNDERHOOD FUSE BLOCK (LEFT SIDE OF BATTERY) VIO/BLK WIRE VIO/GRY WIRE VIO/YEL WIRE YEL WIRE