Oldsmobile Alero I (1999-2004) powertrain control module (below left side of dash, near steering column) Wiring diagrams

BATTERY BLK WIRE CRANK FUSE 54 CRNK VLT FUSIBLE LINK (10 GA-RUST) GENERATOR IGN-SW BATT 1 FUSE IGNITION SWITCH LOCK PARK/ NEUTRAL POSITION SWITCH (ON LEFT SIDE OF ENGINE) POWERTRAIN CONTROL MODULE (BELOW LEFT SIDE OF DASH, NEAR STEERING COLUMN) PPL PPL/ SPLICE PACK RED WIRE RUN WIRE START RLY STARTER MOTOR STARTER RELAY 1 STARTER SOLENOID UNDER- HOOD FUSE BLOCK (IN LEFT SIDE OF ENGINE COMPT) UNDERHOOD FUSE BLOCK (IN LEFT SIDE OF ENGINE COMPT) WHT WIRE YEL WIRE

1440 1807 PPL 2.4L 3.4L ABS INDICATOR AIR BAG IND BATT CLASS 2 BLK WIRE BLK/WHT WIRE BODY COMPUTER SYSTEM BODY CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) BRAKE INDICATOR BRN/WHT WIRE CHANGE OIL INDICATOR CHECK TIRE PRESSURE INDICATOR CLASS 2 (BCM) CLASS 2 (BCM/EBCM) CLASS 2 (EBCM) CLASS 2 (IPC/BCM) CLASS 2 (PCM/BCM) CLASS 2 (SDM) CRUISE INDICATOR DK BLU WIRE ELECTRONIC BRAKE CONTROL MODULE (INSIDE LEFT FRONT FENDER) ENGINE COOLANT TEMPERATURE GAUGE FUEL GAUGE GRY WIRE HEADLIGHTS SYSTEM HI BEAM INDICATOR HOT AT ALL TIMES HOT IN ACCY, RUN, OR START IGN IGN 0 ILLUMINATON INSTRUMENT CLUSTER IPC/BFC ACC FUSE IPC/HVAC BATT FUSE LEFT I/P JUNCTION BLOCK LEFT TURN INDICATOR LO BEAM IN LOGIC LOW COOLANT INDICATOR LOW COOLANT LEVEL LOW FUEL INDICATOR LOW OIL INDICATOR LOW TRACTION INDICATOR LOW WASH INDICATOR LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE MIL CTRL ODOMETER RESET INPUT OIL PRESSURE INDICATOR ORG/ WIRE PARK BRAKE SIGNAL PNK HI BEAM IN WIRE POWERTRAIN CONTROL MODULE (BELOW LEFT SIDE OF DASH, NEAR STEERING COLUMN) PPL PPL DATA LINK CONNECTOR (BELOW DASH, LEFT OF STEERING COLUMN) PPL PPL PPL SERIAL DATA PPL SERIAL DATA CLASS 2 RIGHT TURN INDICATOR SEAT BELT INDICATOR SECURITY INDICATOR SERIAL DATA SERVICE ENGINE SOON INDICATOR (MALFUNCTION INDICATOR LAMP) SERVICE VEHICLE SOON INDICATOR SHIFT INDICATOR (W/M/T ONLY) SPEEDOMETER TACHOMETER TEMPERATURE INDICATOR TRACTION OFF INDICATOR TRIP ODOMETER RESET SWITCH VOLTS INDICATOR WASHER FLUID LEVEL YEL/BLK WIRE

1 2 3 4 5 6 7 8 9 PNK WIRE 1-2 SS CTRL RIGHT FAN CTRL LEFT FAN CTRL CMP SENS 32 33 PNK WIRE BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) BRN WIRE BRN/WHT WIRE BYPASS CTRL IC CTRL VSS OUT PCM GND PCM GND SERIAL DATA CKP SEN SIG 5 VOLT REF A COOLING FANS SYSTEM CRUISE CONTROL SYSTEM CRUISE CONTROL SYSTEM 83 845 CRUISE DISABLE FUEL INJ 5 DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE EVAP PURGE FUEL INJ 1 2-3 SS CTRL FUEL INJ 3 FUEL INJ 2 FUEL INJ 6 SEN GND FUEL INJECTORS FUEL PUMP AND SENDER ASSEMBLY (IN FUEL TANK) FUEL PUMP MOTOR GRY WIRE HOT AT ALL TIMES PCM BATT FUSE 44 HOT IN ACC, RUN OR START HOT IN RUN OR START HOT IN RUN RIGHT I/P FUSE BLOCK CRUISE FUSE E IAC COIL B HI INSTRUMENT CUSTER SYSTEM KNOCK SENSOR (LOWER LEFT SIDE OF ENG) LEFT I/P FUSE BLOCK LOW REF TCC BK SW SEN GND EGR VAL CTRL KS SIGNAL PPL LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE MASS AIRFLOW FLOW SENSOR (TOP REAR OF ENG) ORG/ WIRE ORG/BLK WIRE PCM ACC FUSE G PCM GND SEN GND PCM GROUND SEN GND A/T ISS LO A/T ISS HI VSS HI VSS LO PCM/IGN FUSE 39 PNK 11 12 13 14 15 16 17 18 19 WIRE PNK TRAN RANGE A WIRE PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (BELOW LEFT SIDE OF DASH, NEAR STEERING COLUMN) PPL PPL IGN BATTERY PPL PPL DATA LINK CONNECTOR PPL/WHT WIRE RED/BLK WIRE SEN GND TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCC/ BRAKE SWITCH (BELOW LEFT SIDE OF DASH) TR SW INPUT B MAF SEN SIG TRANSAXLE RANGE SWITCH (ON LEFT FRONT TOP OF TRANSAXLE) UNDER- HOOD FUSE BLOCK VEHICLE SPEED SENSOR (AT REAR OF ENGINE/TRANSAXLE) WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

5 VOLT REF A 5 VOLT REF A 5 VOLT REF B SEN GND A/C COMP RLY A/C SYSTEM BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CAMSHAFT POSITION SENSOR (FRONT TOP OF ENG) CMP SENS B+ CMP SENS GND CRANK FUSE 54 CRANKSHAFT POSITION CRUISE CONTROL SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ERLS FUSE 47 EVAP CAN VENT FUEL PUMP RLY EGR VAL IGN + MIL CTRL FUEL INJ 4 FUEL TANK PRESS TR SW C IN TRANS RANGE B ENG OIL LEVEL SW CRUISE ENGAGE IN FUEL TANK PRESSURE SENSOR (UNDER REAR OF VEHICLE) GEN TERM L OUT GENERATOR GRY WIRE GRY/BLK WIRE HOT IN RUN IAC COIL A HI IAC COIL A LO PC SOL VAL CTRL PC SOL VAL CTRL IAC COIL B LO IAT SEN SIG IGN MALFUNCTION INDICATOR LAMP INSTRUMENT CLUSTER LEFT I/P FUSE BLOCK LOW REF LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE NCA WIRE ORG/BLK WIRE PNK 8 9 10 11 12 13 14 WIRE POWERTRAIN CONTROL MODULE (BELOW LEFT SIDE OF DASH, NEAR STEERING COLUMN) PPL PPL/WHT WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCC PWM SOL CTRL TCC RELEASE SW TFT SENS SIG FUEL LEVEL IN IGN + VOLT PPL THROTTLE POSITION SENSOR (ON THROTTLE BODY) TP SEN IN TR SW D IN TRANS RANGE C TRANS RANGE A ENG OIL PRESS IN UNDERHOOD FUSE BLOCK WHT WIRE YEL WIRE YEL/BLK WIRE