Buick LaCrosse I (2004-2009) ign pcm/ecm class 2 serial data wiring diagram

ABS INDICATOR ABS/TCS CLASS 2 SERIAL DATA AIR BAG INDICATOR BAT POS VOLTAGE BRAKE WARNING IND CTRL BCM CLASS 2 SERIAL DATA BCM CLASS 2 SERIAL DATA BLK WIRE BLK/WHT WIRE BRAKE FLUID LEVEL SWITCH (CENTER OF BRAKE FLUID RESERVOIR) BRAKE INDICATOR BRN/WHT WIRE CHANGE OIL INDICATOR CHARGING INDICATOR CHECK GAS CAP INDICATOR CLSTR FUSE COMPUTER DATA LINES SYSTEM CRUISE INDICATOR DOOR AJAR INDICATOR ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE GAGE ENGINE COOLANT TEMPERATURE INDICATOR FUEL GAGE GRY WIRE HDLP SUGGEST INDICATOR HIGH BEAM INDICATOR HOT AT ALL TIMES I/P FUSE BLOCK (BEHIND RIGHT SIDE OF DASH) IGN IGN PCM CLASS 2 SERIAL DATA IGN PCM/ECM CLASS 2 SERIAL DATA INSTRUMENT PANEL CLUSTER (IPC) IPC CLASS 2 SERIAL DATA PASS SEAT BELT IND IPC/BCM CLASS 2 SERIAL DATA KM/H INDICATOR LEFT TURN INDICATOR LOGIC LOW COOLANT INDICATOR LOW FUEL WARNING LAMP INDICATOR LOW REF LOW TIRE PRESSURE INDICATOR LOW WASHER FLUID INDICATOR MALFUNCTION INDICATOR LAMP (MIL) MPH INDICATOR ODO/TRIP OIL LEVEL INDICATOR LAMP ORG/ WIRE ORG/BLK WIRE P R N D 3 2 1 PARK BRAKE SWITCH (ON PARK BRAKE ASSEMBLY) PCM CLASS 2 SERIAL DATA PCM/ECM CLASS 2 SERIAL DATA PCM/ECM CLASS 2 SERIAL DATA IGN PPL REAR HATCH AJAR INDICATOR REDUCED ENGINE POWER INDICATOR RIGHT TURN INDICATOR SDM CLASS 2 SERIAL DATA SEAT BELT INDICATOR SECURITY INDICATOR SERVICE VEHICLE SOON INDICATOR SPEEDOMETER SUPPLEMENTAL RESTRAINTS SYSTEM TACHOMETER TAN/WHT WIRE TRACTION OFF INDICATOR TURN AUDIBLE INDICATOR WHT WIRE