Buick LaCrosse II (2009-2013) logic lo spd gmlan serial data Wiring diagram

BATTERY FUSE BLOCK (TOP OF BATTERY) BLK/GRY WIRE BLK/LT GRN WIRE BLK/YEL WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU/WHT WIRE ENGINE CONTROLS IGNITION RELAY FUSE FUSE FUSE GRN WIRE GRY/WHT WIRE HEATED OXYGEN SENSOR BANK 1 SENSOR 1 (REAR OF ENGINE IN BANK 1 EXHAUST MANIFOLD) HEATED OXYGEN SENSOR BANK 2 SENSOR 1 (REAR OF ENGINE IN BANK 2 EXHAUST MANIFOLD) HIGH PRESSURE FUEL PUMP (LEFT REAR OF ENGINE) HOT AT ALL TIMES IGN INSTRUMENT CLUSTER KNOCK SENSOR 1 (LEFT OF EXHAUST MANIFOLD) KNOCK SENSOR 2 (RIGHT OF STARTER) LOGIC LO SPD GMLAN SERIAL DATA LT GRN/GRY WIRE LT GRN/YEL WIRE MALFUNCTION IND RED WIRE RED/BLU WIRE RED/BRN WIRE RED/LT GRN WIRE RED/VIO WIRE UNDERHOOD FUSE BLOCK VIO/BLK WIRE VIO/DK BLU WIRE VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/GRY WIRE YEL WIRE YEL/RED WIRE YEL/WHT WIRE