Buick LaCrosse I (2004-2009) Wiring diagram engine performance 3.6l vin 7

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

18 19 PPL BLK WIRE BLK/WHT WIRE BRN WIRE CNSTR FUSE DK GRN WIRE DK GRN/WHT WIRE ELEK IGN FUSE 24 FUEL INJ FUSE 20 EMIS- SION FUSE 12 SSR FUSE 14 ETC FUSE 17 FUEL PP FUSE 22 FUEL PUMP RELAY GRY WIRE HOT AT ALL TIMES HOT IN RUN OR START I/P FUSE BLOCK (BEHIND RIGHT SIDE OF DASH) IGN 1 RELAY IGNITION COIL 1 IGNITION COIL 2 IGNITION COIL 3 IGNITION COIL 4 IGNITION COIL 5 IGNITION COIL 6 LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE P/TRAIN RELAY PCM FUSE 15 PCM/ETC FUSE 16 PNK PPL WIRE PNK WIRE PNK/BLK WIRE PPL PPL 18 19 SPARK PLUG TAN WIRE TAN/WHT WIRE UNDER- HOOD FUSE BLOCK (MOUNTED TO RIGHT STRUT TOWER) WHT DK GRN/ WIRE WHT/ BLK WIRE WHT/BLK WIRE YEL WIRE

A/C REFRIGERANT PRESSURE SENSOR (ON LEFT SIDE OF ENGINE COMPT, ON ACCUMULATOR) BLK WIRE BLK/WHT WIRE BRN WIRE CAMSHAFT POSITION ACTUATOR SOLENOID (EXHAUST BANK 1) CAMSHAFT POSITION ACTUATOR SOLENOID (EXHAUST BANK 2) CAMSHAFT POSITION ACTUATOR SOLENOID (INTAKE BANK 1) CAMSHAFT POSITION ACTUATOR SOLENOID (INTAKE BANK 2) CAMSHAFT POSITION SENSOR EXHAUST BANK 1 CAMSHAFT POSITION SENSOR EXHAUST BANK 2 CAMSHAFT POSITION SENSOR INTAKE BANK 1 CAMSHAFT POSITION SENSOR INTAKE BANK 2 DK GRN WIRE DK GRN/WHT WIRE EVAPORATIVE EMISSION (EVAP) CANISTER PURGE SOLENOID VALVE (TOP CENTER OF ENGINE) GRY WIRE LOW REF LT GRN WIRE MANIFOLD ABSOLUTE PRESSURE SENSOR (TOP REAR OF ENGINE, NEAR FUEL INJECTORS) MASS AIR FLOW/ INTAKE AIR TEMPERATURE SENSOR (IN AIR INTAKE TUBE) ORG/ WIRE ORG/BLK WIRE PNK PPL WIRE PNK WIRE PNK/BLK WIRE PPL PPL 18 19 RED/BLK WIRE SIGNAL TAN WIRE TAN/WHT WIRE THROTTLE ACTUATOR CONTROL MODULE (AT THROTTLE BODY) WHT/BLK WIRE YEL WIRE

ACCELERATOR PEDAL POSITION SENSOR (ABOVE ACCELERATOR PEDAL) AIR CONDITIONING SYSTEM ANTI-LOCK BRAKE SYSTEM AUTOMATIC TRANSMISSION BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CLASS 2 DATA CLU RLY CTRL MIL CTRL COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM CRUISE CONTROL SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (TOP OF ENGINE) FUEL LEVEL SENSOR GMLAN BUS- GRY WIRE HOT AT ALL TIMES I/P FUSE BLOCK (BEHIND RIGHT SIDE OF DASH) IGN 3 VOLT CC SW SIG APP SENS SIG IGNITION SWITCH INSTRUMENT PANEL CLUSTER LAN BUS + LOCK LOGIC IGN LOW REF LT BLU WIRE MALFUNCTION INDICATOR LAMP NAVIGATION SYSTEM 6105 5069 2759 NCA WIRE ORG/ WIRE ORG/BLK WIRE P/N SIG EVAP SOL CTRL PNK IGN 1 VOLT FAN RLY CTRL ENG SPD SIG WIRE PNK IGN 1 VOLT WIRE PNK WIRE PPL PPL FUEL LEV SIG MAF SIG APP SENS 2 SIG PPL LOW REF A/C REF PRES STOP LP SW IAT SIG TANK PRES SIG PPL/WHT WIRE RED/BLK WIRE REQ TORQ SIG RLY COIL CTRL BATTERY + DELV TORQUE SIG RLY CTRL FAN RLY CTRL RUN WIRE STARTING/ CHARGING SYSTEM 625 540 464 TAN (OR BLK) WIRE TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRANSMISSION INTERNAL MODE SWITCH P/N UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (MOUNTED TO RIGHT STRUT TOWER) VSS GMLAN BUS+ MAIN RLY CTRL LOW REF LOW REF WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE