Buick LaCrosse I (2004-2009) blunt cut) Wiring diagrams

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

1 2 8 L AUDIO SIG AUDIO COMMON SIG DRAIN WIRE BAND BARE BLK/WHT WIRE BLU WIRE BLUNT CUT) BRN WIRE BRN/WHT WIRE CLASS 2 SERIAL DATA COAX ANTENNA SIG COAX PPL COAX ANTENNA SIG RADIO ON SIG ANTENNA SIG COMPUTER DATA LINES SYSTEM DK 1-6 DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DK LT GRID (CENTER REAR OF ROOF) GRN WIRE GRY WIRE HOT AT ALL TIMES I/P FUSE BLOCK (BEHIND RIGHT SIDE OF DASH) INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL (IN STEERING COLUMN) LEFT FRONT DOOR SPEAKER LEFT FRONT TWEETER SPEAKER LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PPL PPL ON SIG PPL PPL R AUDIO SIG (+) L AUDIO SIG (+) AUDIO COMMON AUDIO COMMON SIG L AUDIO SIG RADIO RADIO AMP FUSE REAR WINDOW ANTENNA RIGHT FRONT RIGHT FRONT LEFT REAR TWEETER DOOR SPEAKER SPEAKER SPEAKER RIGHT REAR SPEAKER RIGHT STEERING WHEEL CONTROLS SATELLITE RADIO CIRCUIT SEEK DOWN SEEK UP TAN WIRE VOL DOWN VOL UP YEL WIRE

ANTENNA SIG BARE BLK/WHT WIRE BLUNT CUT) BRN/WHT WIRE COAX COMPUTER DATA LINES SYSTEM DIGITAL RADIO ANTENNA (CENTER REAR OF ROOF) DIGITAL RADIO RECEIVER (LEFT SIDE OF TRUNK) DK BLU WIRE DK GRN/WHT WIRE GROUND AUD COMMON DRAIN WIRE HOT AT ALL TIMES I/P FUSE BLOCK (BEHIND RIGHT SIDE OF DASH) L AUD SIG + R AUD SIG + L AUDIO SIG (+) R AUDIO SIG (+) AUDIO COMMON NCA WIRE ORG/ WIRE RADIO RFA/MOD FUSE SERIAL DATA SERIAL DATA BATTERY

18 19 PPL BARE BLK WIRE BLK/WHT WIRE BLUNT CUT) BRN WIRE CMP SIG CMP SIG GEN FDC SIG CMP SOL CTRL CMP SOL CTRL CRANKSHAFT POSITION SENSOR (RIGHT REAR OF ENGINE BLOCK) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ECT SIG ENGINE ENGINE CONTROL MODULE (TOP OF ENGINE) FUEL INJECTORS GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HEATED OXYGEN SENSOR 1 (AT REAR OF CYLINDER HEAD, IN EXHAUST MANIFOLD) HEATED OXYGEN SENSOR 2 (IN EXHAUST SYSTEM, REAR OF CATALYTIC CONVERTER) IGN 3 CTRL LOW REF IGN 4 SIG CKP SENS SIG IGN 6 CTRL IGN 2 CTRL INJ 2 CTRL INJ 1 CTRL INJ 6 CTRL INJ 4 CTRL INJ 3 CTRL INJ 5 CTRL EVAP SOL CTRL GROUND KS 2 SIG KNOCK SENSOR (KS) 1 (RIGHT SIDE OF ENGINE) KNOCK SENSOR (KS) 2 (LEFT SIDE OF ENGINE BLOCK, BELOW EXHAUST MANIFOLD) KS 1 SIG LOW REF OIL PRES SIG IGN 5 CTRL IGN 1 CTRL GEN TO SIG LOW REF PPL LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE PNK WIRE PNK/BLK WIRE PPL PPL CMP SIG PPL CMP SOL CTRL CMP SOL CTRL TAC MTR CTRL-1 PPL/WHT WIRE STARTING/ CHARGING SYSTEM TAC MTR CTRL 2 TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TP SIG MAP SIG WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE