Buick LaCrosse I (2004-2009) side of dash) Wiring diagrams

31 57 OIL LVL SW SIG OIL PRESS SW BCM CLASS 2 SERIAL DATA BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BELOW LEFT SIDE OF DASH, LEFT OF STEERING COLUMN) BRN WIRE COMPUTER DATA LINES SYSTEM DK GRN WIRE DOOR LOCK AJAR INDICATOR SWITCH DRIVER DOOR LOCK DOOR (IN REAR SIDE OF DRIVER'S DOOR) LOCK AJAR INDICATOR SWITCH ENGINE CONTROLS SYSTEM ENGINE OIL LEVEL SWITCH (LOWER FRONT CENTER OF ENGINE OIL PAN) ENGINE OIL PRESSURE (EOP) SWITCH (BELOW POWER STEERING PUMP) FRONT PASSENGER DOOR LOCK (IN REAR SIDE OF FRONT PASSENGER'S DOOR) FUEL LEVEL SENSOR FUEL PUMP/ SENDER ASSEMBLY (IN FUEL TANK) GRY WIRE GRY/BLK WIRE I/P FUSE BLOCK (BEHIND RIGHT LEFT REAR DOOR LOCK (IN REAR SIDE OF LEFT REAR PASSENGER'S DOOR) LF DR AJAR SW SIG LOW REF LR DR AJAR SW SIG LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/BLK WIRE PARK BRAKE SW SIG PPL PPL FUEL LVEL SIG PPL/WHT WIRE REAR COMPARTMENT LID LATCH (IN REAR COMPT LID) REAR LID AJAR SW RED WIRE RED/BLK WIRE RF DR AJAR SW SIG RR DR AJAR SW SIG SERIAL DATA SIDE OF DASH) TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (MOUNTED TO RIGHT STRUT TOWER) WHT WIRE

1 2 3 4 5 6 7 8 BATTERY GROUND F CENTER OUT (+) F CENTER OUT (-) 1 2 8 L AUDIO SIG AUDIO COMMON SIG DRAIN WIRE 1-6 AMPLIFIER CTRL ANTENNA GRID (CENTER REAR OF ROOF) ANTENNA MODULE AUDIO AMPLIFIER (CENTER OF REAR COMPT) BAND BARE BLK WIRE BLK/WHT WIRE BLU WIRE BLUNT CUT) BRN WIRE BRN/WHT WIRE CENTER OF REAR WINDOW PANEL, APPROXIMATELY 90 CM FROM BREAKOUT TO REAR COMPT CENTER SPEAKER CLASS 2 SERIAL DATA COAX 1 ANTENNA SIG RADIO ON SIG ANTENNA SIG PPL COAX COAX ANTENNA SIG COMPUTER DATA LINES SYSTEM COURTESY LAMP DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DK LT LT DK GRN WIRE GROUND DISTRIBUTION SYSTEM GRY WIRE HOT AT ALL TIMES I/P FUSE BLOCK (BEHIND RIGHT INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL (IN STEERING COLUMN) LEFT FRONT DOOR SPEAKER LEFT FRONT TWEETER SPEAKER LT BLU WIRE LT DK LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PPL PPL ON SIG I/P LMP VLT GROUND 8 1450 INTERIOR LIGHTS SYSTEM PPL PPL R AUDIO SIG (+) L AUDIO SIG (+) AUDIO COMMON AUDIO COMMON SIG L AUDIO SIG RADIO RDO AMP FUSE REAR SUB OUT (-) REAR SUB OUT (+) REAR WINDOW RF SPKR OUT (+) RF SPKR OUT (-) LF SPKR OUT (-) LF SPKR OUT (+) RIGHT RIGHT FRONT FRONT DOOR TWEETER SPEAKER SPEAKER RIGHT STEERING WHEEL CONTROLS SATELLITE RADIO CIRCUIT SEEK DOWN SEEK UP SIDE OF DASH) SUB- MID SUB- MID WOOFER RANGE WOOFER RANGE RIGHT REAR LEFT REAR SPEAKER SPEAKER TAN WIRE VOL DOWN VOL UP WHT WIRE YEL WIRE