Buick LaCrosse I (2004-2009) sec uart Wiring diagram

5 VOLT REF AAP SENSOR 1 ACCELERATOR PEDAL POSITION SENSOR (ABOVE ACCELERATOR PEDAL) APP SENSOR 2 BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BEHIND LEFT SIDE OF DASH, LEFT OF STEERING COLUMN) BREAKOUT, TOWARDS ICM) BRN WIRE BRN/WHT WIRE DK BLU WIRE DK GRN WIRE ELEK IGN FUSE 24 ETC FUSE 17 FROM P/TRAIN RELAY (DIAGRAM 4 OF 5) FUEL INJ FUSE 20 GROUND GRY WIRE HOT IN RUN OR START IGN 1 VOLT IGNITION CONTROL MODULE (ICM) (TOP LEFT FRONT OF ENGINE) LOW REF LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE ORG/BLK WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE PPL PPL/WHT WIRE PRIMARY UART RED/BLK WIRE SEC UART SECONDARY AIR INJECTION SOLENOID RELAY (PZEV) (NEAR AIR CLEANER DUCT) SPARK PLUGS STOP LAMP STOP LAMP SWITCH SIGNAL TAN WIRE TAN/BLK WIRE TAN/WHT WIRE THROTTLE ACTUATOR CONTROL MODULE (AT THROTTLE BODY) TRANS SOL FUSE 21 UNDERHOOD FUSE BLOCK (MOUNTED TO RIGHT STRUT TOWER) VEHICLE SPD WHT WIRE WHT/BLK WIRE YEL WIRE