Oldsmobile Alero I (1999-2004) org/ Wiring diagrams

B(+) VOLTAGE B(+) VOLTAGE BASE BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND RIGHT SIDE OF DASH) DOME DOME LAMP DOME, REAR READING LAMPS DOOR EXCEPT BASE HOT AT ALL TIMES I/P COMPARTMENT LAMP SWITCH LEFT FRONT DOOR JAMB SWITCH LEFT FRONT DOOR LOCK SWITCH I/P DIMMER SWITCH LEFT I/P FUSE BLOCK (BEHIND LEFT SIDE OF DASH) LEFT I/P FUSE BLOCK (BEHIND LEFT SIDE OF DASH) BFC BATT FUSE LEFT REAR DOOR JAMB SWITCH LF DOOR INPUT LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE OFF OFF ON ORG/ WIRE ORG/BLK WIRE POWER CONTROL READING REAR COMPARTMENT COURTESY LAMP REAR COMPARTMENT LID RELEASE ACTUATOR REAR DR INPUT REARVIEW MIRROR READING LAMPS RIGHT FRONT DOOR JAMB SWITCH RIGHT FRONT DOOR LOCK SWITCH RIGHT I/P FUSE BLOCK (BEHIND RIGHT SIDE OF DASH) RIGHT I/P FUSE BLOCK (BEHIND RIGHT SIDE OF DASH) INT LPS FUSE RIGHT REAR DOOR JAMB SWITCH SPLICE PACK WHT WIRE

A/C SYSTEM AUTO PARK LAMP CNTRL RELAY 19 BATTERY VOLTAGE BLK WIRE BLU WIRE BRN WIRE BRN/WHT WIRE DK BLU WIRE GRN WIRE GRN/BLK WIRE GROUND GRY WIRE HAZARD LPS FUSE HEAD HIGH MOUNTED STOP LAMP HOT AT ALL TIMES HOT IN ON OR START IGN 1 VOLTAGE INSTRMNT PANEL SUPPLY VOLTAGE INSTRUMENT CLUSTER LEFT FRONT MARKER LAMP LEFT FRONT PARK/ TURN SIGNAL LAMP LEFT I/P FUSE BLOCK (BEHIND LEFT SIDE OF DASH) LEFT REAR COMPARTMENT LID BACK-UP/ TAILLAMP LEFT REAR LAMP ASSEMBLY LEFT TURN INDICATOR LEFT TURN SIGNAL LAMP RIGHT TURN SIGNAL LAMP LICENSE LAMP LT BLU WIRE LT BLU/BLK WIRE LT DK OFF ORG/ WIRE PARK PARK LPS FUSE PARK PARK PNK WIRE PPL PPL HAZARD SWITCH RIGHT FRONT MARKER LAMP RIGHT FRONT PARK/ TURN SIGNAL LAMP RIGHT I/P FUSE BLOCK (BEHIND RIGHT SIDE OF DASH) RIGHT LEFT RIGHT REAR COMPARTMENT LID BACK-UP/ TAILLAMP RIGHT REAR LAMP ASSEMBLY RIGHT TURN INDICATOR SOUND SYSTEM SPLICE PACK SPLICE PACK SPLICE PACK STOP LPS FUSE STOPLAMP SWITCH (BELOW LEFT SIDE OF DASH) TAIL TAIL TURN LPS FUSE TURN PARK PARK STOP TURN SIGNAL FLASHER TURN SIGNAL/ MULTI-FUNCTION SWITCH TURN STOP UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPARTMENT) WHT 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

AUTO PARK LAMP RELAY BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND RIGHT SIDE OF DASH) BRN WIRE CRUISE CONTROL ON/OFF SWITCH CRUISE SW LPS FUSE DK GRN WIRE GRY WIRE GRY/BLK WIRE HAZARD SWITCH HEAD HOT AT ALL TIMES HVAC CONTROL ASSEMBLY I/P COMPARTMENT LAMP INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL INST LPS FUSE INSTRUMENT CLUSTER (5 BULBS) LAMP DIMMER MODULE (BEHIND LEFT SIDE OF DASH) NCA WIRE OFF ORG/ WIRE PANEL DIMMER SWITCH PARK PARK LPS FUSE RADIO RIGHT I/P FUSE BLOCK (BEHIND RIGHT SIDE OF DASH) SPLICE PACK TO RIGHT I/P FUSE BLOCK (DIAGRAM 2 OF 2) TRANSAXLE SHIFT INDICATOR LIGHT TURN/ SIGNAL MULTIFUNTION SWITCH UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT, ON STRUT TOWER) WHT WIRE YEL WIRE

1 OF 2) 4-WAY ADJUST 6-WAY ADJUST ABS FUSE ACCESSORY POWER OUTLET (OLDS) AUDIO AMPLIFIER REMOTE CONTROL DOOR LOCK RECEIVER (RCDLR) AUTO HDLP CONTROL RELAY AUTO PRK LMP CRTL RELAY AUX PWR/CIGAR FUSE BATTERY BFC BATT FUSE BLK WIRE BODY CONTROL MODULE (BCM) BRN WIRE CIGAR LIGHTER COOL FAN 1 FUSE COOL FAN 1 RELAY COOL FAN 2 FUSE COOL FAN 2 GROUND FUSE COOL FAN 2 RELAY COOLING FAN- RIGHT (3.4L) ELECTRONIC BRAKE CONTROL MODULE (EBCM) DK BLU WIRE DOOR UNLOCK RELAY DRIVER DOOR UNLOCK RELAY (AUO) DOOR LOCK RELAY DRL RELAY FOG LPS FUSE FOG LPS RELAY FROM ABS FUSE (DIAGRAM 1 OF 2) FROM FAN CONTROL RELAY 2 (DIAGRAM 1 OF 2) FROM GEN BAT FUSE (DIAGRAM 1 OF 2) FUSE BLOCK (LEFT I/P) FUSE BLOCK- RIGHT I/P FUSE BLOCK- UNDERHOOD FUSIBLE LINK GEN BATT FUSE GENERATOR GENERATOR (3.4L) HAZARD LPS FUSE HAZARD SWITCH HEADLAMP-LEFT HEADLAMP-LOW BEAM- LEFT HEADLAMP-RIGHT HEADLAMP-LOW BEAM- RIGHT HI BLO MOT FUSE HORN FUSE HORN RELAY COOL FAN MODE RELAY HVAC BLOWER RELAY HVAC CONTROL ASSEMBLY BODY CONTROL MODULE (BCM) I/P DIMMER MODULE I/P DIMMER SWITCH INST LPS FUSE REAR FOG LPS RELAY INSTRUMENT PANEL CLUSTER INTERIOR, EXTERIOR LAMPS SYSTEM IPC/HVAC BATT FUSE L/H BEC BATT 2 FUSE IGN SW- BATT 2 FUSE IGN SW BATT 1 FUSE LH BEC BATT 1 FUSE LH HDLP FUSE NCA WIRE OLDS ORG/ WIRE OUTSIDE REARVIEW MIRROR SWITCH SEAT ADJUSTER SWITCH- DRIVER PARK LPS FUSE PCM BATT FUSE POWERTRAIN CONTROL MODULE (PCM) PWR MIRROR FUSE DR LOCK FUSE PWR SEAT CIRCUIT BREAKER RADIO RADIO BATT FUSE INT LPS FUSE RED WIRE REMOTE CONTROL DOOR LOCK RECEIVER (RCDLR) RH BEC BATT FUSE RH HDLP FUSE RR DEFOG FUSE RR DEFOG RELAY SEAT ADJUSTER SWITCH DRIVER SPLICE PACK STARTER RELAY 11 STARTER SOLENOID STOP LPS FUSE STOPLAMP SWITCH TO ABS BATT FUSE (DIAGRAM 1 OF 2) TO HI BLO MOT FUSE (DIAGRAM 1 OF 2) TO IGN-SW BATT 2 FUSE (DIAGRAM TO IGNITION SWITCH (DIAGRAM 2 OF 2) TRUNK REL RELAY TRUNK REL/ RADIO AMP FUSE TURN SIGNAL/ MULTIFUNCTION SWITCH UPLEVEL, 4 SPEAKER SYSTEM YEL WIRE

3.4L A/C BFC FUSE A/C COMP RELAY A/T ABS/ EVO/ IGN FUSE AIR BAG FUSE AIR TEMPERATURE ACTUATOR AUTO TRANS FUSE BODY CONTROL MODULE (BCM) BRN WIRE CLUTCH PEDAL POSITION (PNP) SWITCH CRANK FUSE DK GRN WIRE DRL RELAY REAR DEFOGGER RELAY ERLS FUSE F/P INJR FUSE FROM IGN SW BATT 1 FUSE (DIAGRAM 1 OF 2) FROM IGN SW BATT 2 FUSE (DIAGRAM 1 OF 2) FROM IGNITION SWITCH (DIAGRAM 2 OF 2) FUEL INJECTORS FUEL PUMP RELAY FUSE BLOCK (LEFT I/P) FUSE BLOCK, UNDER- HOOD FUSE BLOCK- RIGHT I/P FUSE BLOCK- UNDERHOOD HAZARD SWITCH HCAV CONTROL ASSEMBLY BODY CONTROL MODULE (BCM) HEATED OXYGEN SENSOR HTR A/C FUSE HVAC BLOWER FUSE CRUISE FUSE SUNROOF FUSE IGN MOD FUSE B/U LP/ BTSI FUSE PCM IGN FUSE IGNITION SWITCH INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (SDM) INSTRUMENT PANEL CLUSTER (IPC) IPC/BFC ACC FUSE LOCK M/T MASS AIRFLOW (MAF) SENSOR (3.4L) NCA WIRE ORG/ WIRE PARK/ NEUTRAL POSITION (PNP) SWITCH POWERTRAIN CONTROL MODULE (PCM) PCM ACC FUSE PNK PNK PNK (M/T) (3.4L) (2.2L) (3.4L) 19 24 (2.2L) (A/T) WIRE PNK PNK PNK PNK PNK PNK WIRE PNK PNK WIRE PNK WIRE POWERTRAIN CONTROL MODULE (PCM) PPL PPL 61 19 (2.2L) (3.4L) PWR WNDWS CIRCUIT BREAKER CRUISE SW FUSE RED WIRE RED/BLK WIRE SENSOR 1 (2.2L) SENSOR 2 SIR COIL ASSEMBLY WINDOW SWITCH- DRIVER TO HTR A/C IGN FUSE (DIAGRAM 2 OF 2) TO IGN MOD FUSE (DIAGRAM 2 OF 2) TO SUNROOF FUSE (DIAGRAM 2 OF 2) TURN LPS FUSE TURN SIGNAL/ MULTIFUNCTION SWITCH WINDSHIELD WIPER MOTOR ASSEMBLY WIPER FUSE YEL 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