Buick LaCrosse I (2004-2009) 39 23 46 29 switch sig p switch sig c switch sig b switch sig a Wiring diagram

39 23 46 29 SWITCH SIG P SWITCH SIG C SWITCH SIG B SWITCH SIG A A/T SHIFT LOCK CONTROL SOLENOID (IN CENTER CONSOLE) AUTOMATIC TRANSMISSION BLK WIRE BLK/WHT WIRE CLASS 2 SERIAL DATA COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (ECM) (TOP OF ENGINE) GRY WIRE GRY/WHT WIRE HAZRD FUSE HI SPD GMLAN SERIAL DATA HOT AT ALL TIMES I/P FUSE BLOCK (BEHIND RIGHT SIDE OF DASH) LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PARK/NEUTRAL SIGNAL RED/BLK WIRE SUPPLY VOLTAGE TRANSMISSION CONTROL MODULE TRANSMISSION INTERNAL MODE SWITCH (IMS) P/N WHT WIRE YEL WIRE YEL/BLK WIRE