Buick LaCrosse II (2009-2013) gmlan serial data Wiring diagrams

BATTERY (LEFT SIDE OF ENGINE) BATTERY CURRENT SENSOR (IN FRONT OF BATTERY) BATTERY FUSE BLOCK (TOP OF BATTERY) FUSE BLK WIRE BLK/VIO WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) BRN WIRE CHARGE IND CTRL COMPUTER DATA LINES SYSTEM CURRENT SENS CURRENT SENS SIG CURRENT SENS SUPPLY VOLT CURRENT SENSOR SIG CURRENT SENSOR SUPPLY VOLTAGE DK BLU/VIO WIRE DRIVER CHARGE INFORMATION IND CENTER DISPLAY ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) GENERATOR (RIGHT FRONT CORNER OF ENGINE) GENERATOR FIELD DUTY CYCLE SIG GMLAN SERIAL DATA GRN WIRE GROUND GRY WIRE INSTRUMENT CLUSTER LOGIC LOW REF RED WIRE SERIAL DATA STARTER MOTOR VIO/YEL WIRE WHT/YEL WIRE

AUTOMATIC TRANSMISSION ASSEMBLY AUTOMATIC TRANSMISSION INTERNAL MODE SWITCH BATTERY (LEFT SIDE OF ENGINE) BATTERY FUSE BLOCK (TOP OF BATTERY) FUSE BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) CHARGING CIRCUIT COMPUTER DATA LINES SYSTEM CONTROL SOLENOID ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) EXCEPT 2.4L 2.4L FUSE GMLAN SERIAL DATA GRN WIRE GROUND GRY WIRE IGN VOLT IGNITION SWITCH LOCK PARK/NEUTRAL SIG (1) RED WIRE RUN WIRE SERIAL DATA STARTER MOTOR STARTER RELAY STARTER RELAY CTRL TRANSMISSION CONTROL MODULE UNDERHOOD FUSE BLOCK (LEFT SIDE OF BATTERY) VALVE ASSEMBLY VIO/GRY WIRE VIO/YEL WIRE WHT WIRE WHT/GRY WIRE YEL WIRE

AJAR AJAR SW SIG BLK WIRE BLK/ORG WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) BRAKE IND BRN WIRE BRN/GRN WIRE BUS 4 COMPUTER DATA LINES SYSTEM DK BLU RED/ WIRE DK BLU WIRE DK BLU/ WHT WIRE DK BLU/BLK WIRE DK BLU/VIO WIRE DK GRN/GRY WIRE DRIVER DOOR LATCH ASSEMBLY DRIVER INFORMATION CENTER DISPLAY DRIVER SEAT BELT BUCKLE DRIVER SEAT BELT SWITCH DRIVER WINDOW MOTOR DRIVER WINDOW SWITCH DRIVER'S DOOR FUSE FUSE (LOWER LEFT SIDE OF DASH) GMLAN SERIAL DATA GRN WIRE GRN/GRY WIRE GRN/YEL WIRE GROUND GRY DK GRN WIRE GRY WIRE GRY/RED WIRE HEAD PARK AUTO OFF HEADLAMP SW PRK LAMP SIG HEADLAMP SWITCH HOT AT ALL TIMES INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (SDM) (BELOW CENTER CONSOLE) INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR WINDOW SWITCH LO SPD GMLAN SER DATA LOGIC LOW ENGINE OIL PRESSURE IND LOW SPD GMLAN SER DATA SER DATA COMMUNICATION ENABLE LOW TIRE PRESSURE IND LT BLU WIRE LT GRN WIRE NCA WIRE NETWORK NETWORK BUS 3 NETWORK BUS 4 OFF KEY IGNITION SWITCH IGNITION SWITCH (RIGHT SIDE OF STEERING COLUMN) OFF/RUN/ CRANK VOLT ORG/BRN WIRE PARK BRAKE CONTROL SWITCH (ON PARK BRAKE ASSEMBLY) PARKING BRAKE CONTROL MODULE (BEHIND LEFT REAR WHEEL LINER) PASSENGER DOOR LATCH ASSEMBLY PASSENGER WINDOW MOTOR (FRONT PASSENGER'S DOOR) PRK BRK APPLY SW VOLT REF PRK BRK SW SUP VOLT PRK BRK SW SUPP VOLT PRK BRK SW RELEASE SIG PRK BRK SW APPLY SIG RED/DK BLU WIRE RED/DK GRN WIRE RED/LT GRN WIRE RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR WINDOW SWITCH RUN WIRE SEAT BELT IND SEAT BELT SW LOW REF SEAT BELT SW SIG SER DATA COMMUNI- LVL CATION SENS ENABLE SIG SERIAL DATA COMMUNIC- ATION ENABLE PRK BRK SW SIG SPLICE PACK) (BOTTOM OF "A" PILLAR) SW SIG VIO/ DK BLU WIRE WHT WIRE WHT/DK BLU WIRE WHT/YEL WIRE YEL WIRE YEL/RED WIRE