Oldsmobile Alero I (1999-2004) yel/blk Wiring diagrams

2-3 SHIFT SOL PRESSURE CONTROL SOL 1-2 SHIFT SOL AUTO TRANS FUSE 38 AUTOMATIC TRANSAXLE AUTOMATIC TRANSAXLE FLUID PRESSURE MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSAXLE FLUID TEMPERATURE SENSOR AUTOMATIC TRANSAXLE INPUT SHAFT SPEED SENSOR BLK WIRE BLK/WHT WIRE BLU DK WIRE BODY CONTROL MODULE BODY CONTROL MODULE PPL BRN WIRE BRN/WHT WIRE CRUISE FUSE E DATA LINK CONNECTOR (BELOW DASH, LEFT SIDE OF STEERING COLUMN) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ENGINE COOLANT TEMPERATURE SENSOR (RIGHT REAR OF ENGINE) FUSE G GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN ACC, RUN OR START HOT IN RUN HOT IN RUN OR START INSTRUMENT PANEL CLUSTER INSTRUMENT PANEL CLUSTER (IPC) IPC/ BFC ACC FUSE I LEFT I/P FUSE BLOCK (BEHIND LEFT SIDE OF DASH) LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE ORG/ WIRE PARK/NEUTRAL POSITION (PNP) SWITCH (LEFT TOP FRONT OF TRANSAXLE) PCM PCM BATT FUSE 44 PCM IGN FUSE 39 PNK PPL PPL PPL WIRE PNK WIRE POWERTRAIN CONTROL MODULE (BELOW LEFT SIDE OF DASH) PPL RED WIRE RED/BLK WIRE RELEASE TCC REV,D,2,1 RIGHT I/P FUSE BLOCK (BEHIND RIGHT SIDE OF DASH) SERVICE ENGINE SOON TAN WIRE TCC PWM SOL TCC/ BRAKE SWITCH (BELOW LEFT SIDE OF DASH) THROTTLE POSITION SENSOR (ON THROTTLE BODY) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT, ON STRUT TOWER) VEHICLE SPEED SENSOR (ON REAR TRANSAXLE) WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

1-2 SHIFT SOL AUTO TRANS FUSE 38 AUTOMATIC TRANSAXLE AUTOMATIC TRANSAXLE FLUID PRESSURE MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSAXLE FLUID TEMPERATURE SENSOR AUTOMATIC TRANSAXLE INPUT SHAFT SPEED SENSOR BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE BODY CONTROL MODULE PPL BRN WIRE BRN/WHT WIRE CRUISE FUSE E DATA LINK CONNECTOR (BELOW DASH, LEFT SIDE OF STEERING COLUMN) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ENGINE COOLANT TEMPERATURE SENSOR (TOP LEFT REAR OF ENGINE) FUSE G GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN ACC, RUN OR START HOT IN RUN HOT IN RUN OR START INSTRUMENT PANEL CLUSTER INSTRUMENT PANEL CLUSTER (IPC) IPC/ BFC ACC FUSE I LEFT I/P FUSE BLOCK (BEHIND LEFT SIDE OF DASH) LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE MAP SENSOR ORG/ WIRE ORG/BLK WIRE PARK/NEUTRAL POSITION (PNP) SWITCH (LEFT TOP FRONT OF TRANSAXLE) PCM PCM BATT FUSE 44 PCM IGN FUSE 39 PNK WIRE POWERTRAIN CONTROL MODULE (BELOW LEFT SIDE OF DASH) PPL PRESSURE CONTROL SOL TCC PWM SOL 2-3 SHIFT SOL RED WIRE RED/BLK WIRE REV,D,2,1 RIGHT I/P FUSE BLOCK (BEHIND RIGHT SIDE OF DASH) SERVICE ENGINE SOON TAN WIRE TCC RELEASE TCC/ BRAKE SWITCH (BELOW LEFT SIDE OF DASH) THROTTLE POSITION SENSOR (ON THROTTLE BODY) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT, ON STRUT TOWER) WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

A/C BFC FUSE 37 A/C SYSTEM AMBIENT LIGHT SENSOR (TOP OF DASH TRIM PAD) ANTI-THEFT SYSTEM BFC BATT FUSE F BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DOOR LOCKS SYSTEM ANTI-THEFT SYSTEM COOLANT LEVEL SWITCH (RIGHT SIDE OF ENGINE COMPT) CRUISE CONTROL SYSTEM CRUISE FUSE E DK BLU WIRE DK GRN/WHT WIRE DOOR LOCK CTRL DOOR LOCK LOCK/UNLOCK SIG DRL AMBIENT LIGHT SEN LOW REF DOOR LOCKS SYSTEM DRIVER LOCK RELAY UNLOCK DRL RLY CTRL FRONT FOG LAMP SW SIG TRACTION CONTROL SW SIG WINDSHIELD WASHER FLUID LEVEL GRY/BLK WIRE HEADLAMP BEAM-LOW HEADLAMP LOW BEAM RLY CTRL FOG LAMP RLY CTRL PARK LAMP SW SIG HORN RLY CTRL HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM ANTI-LOCK BRAKE SYSTEM HEADLIGHTS SYSTEM ANTI-THEFT SYSTEM TRUNK RELEASE SYSTEM HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM HORNS SYSTEM HOT AT ALL TIMES HOT IN ACC, ON OR START HOT IN ON OR START HOT IN RUN INT LPS FUSE G INTERIOR LIGHTS SYSTEM WARNING SYSTEM WARNING SYSTEM IPC/BFC ACC FUSE I LEFT FRONT DOOR AJAR SW SIG BATTERY POSITIVE VOLTAGE LEFT I/P FUSE BLOCK LOW COOLANT LEVEL IND CTRL A/C REQUEST SIG LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE OIL/ TIRE RESET SWITCH OLDSMOBILE ORG/ WIRE PARK BRAKE SWITCH PNK WIRE PNK/BLK WIRE PNK/WHT WIRE POWER DISTRIBUTION CENTER PPL PPL IGNITION 0 VOLTAGE PARK LAMP RLY CTRL RIGHT I/P FUSE BLOCK SECURITY SYST SENSOR SIG SPLICE PACK TRUNK RELEASE RLY CTRL TRUNK RELEASE SYSTEM UNDERHOOD FUSE BLOCK WASHER FLUID LEVEL SENSOR (INSIDE LEFT FRONT FENDER) WHT WIRE YEL WIRE YEL/BLK WIRE

1134 1201 PK BRAKE SW LOW BEAM IN HIGH BEAM IN AL SENS SIG AL SENS REF 33 34 PNK WIRE AMBIENT LIGHT SENSOR (ON TOP OF DASH) AUTO HDLP CTRL RELAY BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRL RELAY FOG LAMP SWITCH FOG LP RELAY ALC RELAY DRL RELAY FOG LP SW SERIAL DATA FOG LPS FUSE FOG LPS RELAY HIGH BEAM HIGH BEAM IND HIGH LOW FLASH-TO-PASS 5 6 7 HOT AT ALL TIMES HOT IN HTR A/C FUSE INSTRUMENT PANEL CLUSTER (IPC) LEFT HEADLAMP ASSEMBLY LH HDLP FUSE LOW BEAM LT BLU WIRE LT GRN/BLK WIRE OFF PARK HEAD FLASH-TO-PASS ON INDICATOR ORG/ WIRE PARK BRAKE SWITCH (PART OF PARK BRAKE ASSEMBLY) PNK 1200 1138 1137 WIRE PNK WIRE PNK/WHT WIRE PPL RH HDLP FUSE RIGHT FOG LAMP LEFT FOG LAMP RIGHT HEADLAMP ASSEMBLY HIGH BEAM RIGHT I/P FUSE BLOCK (RIGHT SIDE OF DASH) RUN WIRE SPLICE PACK TURN SIGNAL/ MULTIFUNCTION SWITCH UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UNDERHOOD JUNCTION BLOCK (LEFT SIDE OF ENGINE COMPT) YEL/BLK 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 SHIFT SOL 2-3 SHIFT SOL TCC PWM SOL AUTOMATIC TRANSAXLE AUTOMATIC TRANSAXLE FLUID PRESSURE MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSAXLE FLUID TEMPERATURE SENSOR AUTOMATIC TRANSAXLE INPUT SHAFT SPEED SENSOR BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/WHT WIRE DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE F/P INJR FUSE 48 FUEL PUMP RELAY 18 GRY WIRE HOT IN RUN, BULB TEST OR START IGNITION COILS IGNITION CONTROL MODULE (TOP REAR OF ENGINE) INTER- CONNECT LEFT I/P FUSE BLOCK (BEHIND LEFT SIDE OF DASH) LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE ORG/ WIRE PNK 22 23 24 25 26 27 28 WIRE PNK WIRE PPL PRESSURE CONTROL SOL RED WIRE RED/BLK WIRE RELEASE TCC REV,D,2,1 SPLICE PACK TAN WIRE TRANSAXLE RANGE SWITCH (TOP OF TRANSAXLE) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) IGN MOL FUSE 41 WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

1-2 SS 2-3 SS TCC SOL AUTO TRANS FUSE 38 BLK WIRE BLK/WHT WIRE BRN (OR GRY) WIRE BRN WIRE BRN/WHT WIRE CMP SENS SIG CKP SENS SIG CKP SENS LOW REF MAP SENS SIG DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ECT SENS LOW REF TFT SESN LOW REF ISS LOW VSS LOW ENGINE OIL PRESSURE SENSOR (LEFT REAR OF ENGINE) EVAP PURGE SOL PC SOL HIGH PC SOL LOW EVAPORATIVE EMISSION CANISTER PURGE SOLENOID (RIGHT SIDE OF ENGINE) FUEL INJECTORS GENERATOR GRY WIRE GRY/BLK WIRE HEATED OXYGEN SENSOR 1 (LOWER RIGHT SIDE OF ENGINE) HEATED OXYGEN SENSOR 2 (ON REAR OF CATALYTIC CONVERTER) HOT IN RUN UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) ERLS FUSE 47 HOT IN RUN, BULB TEST OR START IAC COIL B HIGH IAC COIL B LOW IC TIMING CTRL IC TIMING CTRL IDLE AIR CONTROL VALVE (LEFT SIDE OF ENGINE) INJ 4 CTRL INJ 3 CTRL GROUND KNOCK SENS LOW REF MAP SENS LOW REF KNOCK SENS SIG KNOCK SENSOR (LOWER LEFT SIDE OF ENGINE) LEFT I/P FUSE BLOCK (BEHIND LEFT SIDE OF DASH) LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE MANIFOLD ABSOLUTE PRESSURE SENSOR (LEFT SIDE OF ENGINE) NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK 22 23 24 25 26 27 28 WIRE PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (BELOW LEFT SIDE OF DASH) PPL PPL/WHT WIRE RED WIRE RED/BLK WIRE SPLICE PACK TAN WIRE TAN/BLK WIRE TAN/WHT WIRE THROTTLE POSITION SENSOR (ON THROTTLE BODY ASSY) TP SENS LOW REF TP SENS SIG TRS SIG P TRS SIG C TRS SIG B TRS SIG A VEHICLE SPEED SENSOR (ON REAR OF TRANSAXLE) WHT WIRE WHT/BLK WIRE YEL WIRE 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

1 2 3 4 5 6 7 8 9 PNK WIRE 1-2 SHIFT SOLENOID VALVE 2-3 SHIFT SOLENOID VALVE 32 33 PNK WIRE A/C REFRIGERANT PRESSURE SENSOR (FRONT OF ENG COMPT) AUTO TRAN FUSE 38 IGN MOD FUSE 41 AUTO- MATIC INPUT SHAFT SPEED SENSOR AUTOMATIC TRANSAXLE AUTOMATIC TRANSAXLE TEMPERARTURE SENSOR BLK WIRE BLK/WHT WIRE BLU DK WIRE BRN WIRE BRN/WHT WIRE BYPASS CTRL IC CTRL CRANKSHAFT POSITION D,2,1 SW DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DR SW ENGINE OIL LEVEL SWITCH (AT REAR OF ENG) ENGINE OIL PRESSURE SENSOR (LOWER LEFT SIDE OF ENG) F/P INJR FUSE 48 FUEL PUMP RELAY GND IGN PNK WIRE GRY WIRE HOT IN RUN OR START IGNITION CONTROL MODULE (TOP RIGHT REAR OF ENG) LEFT I/P FUSE BLOCK LO SW LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/WHT WIRE MANIFOLD ABSOLUTE PRESSURE SENSOR (TOP RIGHT SIDE OF ENG) ORG/ WIRE ORG/BLK WIRE PNK 11 12 13 14 15 16 17 18 19 WIRE PNK 8 9 10 11 12 13 14 WIRE PNK WIRE PPL PPL/WHT WIRE PRESSURE CONTROL SOLENOID VALVE RED WIRE RED/BLK WIRE REV SW TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCC SW TORQUE CONVERTER CLUTCH PWM SOLENOID VALVE UNDERHOOD FUSE BLOCK 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