Buick LaCrosse II facelift (2013-2016) 18 12 rr status sig lr status sig 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

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