Oldsmobile Alero I (1999-2004) yel Wiring diagrams

BACK BLK WIRE DK BLU WIRE DK GRN WIRE DRIVER SEAT ADJUSTER SWITCH FORW FRONT DOWN FRONT UP HOT AT ALL TIMES LEFT I/P FUSE BLOCK LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE POWER SEAT CIRCUIT BREAKER REAR DOWN REAR UP SEAT FRONT VERTICAL MOTOR SEAT HORIZONTAL MOTOR SEAT REAR VERTICAL MOTOR SPLICE PACK TAN WIRE YEL 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 BATTERY (B+) SERIAL DATA PPL BLK WIRE BODY CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DOOR LK/UNLK IN DOOR LOCK FUSE DOOR LOCK RELAY DOOR UNLOCK RELAY DRIVER DOOR LK DOOR LK DOOR UNLK DRIVER DOOR LOCK ACTUATOR DRIVER DOOR LOCK SWITCH DRIVER DOOR UNLOCK RELAY (W/ RFA) FRONT PASSENGER DOOR LOCK ACTUATOR FRONT PASSENGER DOOR LOCK SWITCH GROUND GRY WIRE HOT AT ALL TIMES LEFT I/P FUSE BLOCK (BEHIND LEFT SIDE OF DASH) LEFT REAR DOOR LOCK ACTUATOR LOCK LT BLU WIRE ORG/ WIRE REMOTE CONTROL DOOR LOCK RECEIVER (UNDER REAR PACKAGE SHELF) RIGHT I/P FUSE BLOCK (BEHIND RIGHT SIDE OF DASH) RIGHT REAR DOOR LOCK ACTUATOR SPLICE PACK TAN WIRE TRUNK REL/RFA FUSE UNLOCK W/ 8 SPEAKER AUDIO SYSTEM W/O 8 SPEAKER AUDIO SYSTEM WHT WIRE YEL WIRE

BATTERY BLK WIRE BLU WIRE BRN WIRE CLOSE INPUT CLOSE OPEN GRN WIRE HOT IN RUN LIMIT SWITCHES MOTOR OPEN MOTOR CLOSE NCA WIRE OPEN INPUT SWITCH GND ORG/ WIRE PNK WIRE RANGE INPUT RED WIRE RIGHT I/P FUSE BLOCK (BEHIND RIGHT SIDE OF DASH) SOFT STOP SOFT STOP INPUT SPLICE PACK SUN ROOF MODULE SUN ROOF SWITCH (NOT USED) SUN-ROOF MOTOR SUNROOF FUSE VENT STOP WHT WIRE YEL WIRE

8 250 1672 INTERIOR LIGHTS SYSTEM AM/ ANTENNA AMPLIFIER MODULE (ON RIGHT REAR PILLAR, BENEATH TRIM) ANTENNA INPUT ANTENNA VOLTAGE I/P LMP VOLTAGE GROUND GAIN CNTRL SIG BATTERY BLK WIRE BLK/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM DEFOGGER SYSTEM DK BLU WIRE DK GRN WIRE GRY WIRE HOT AT ALL TIMES INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL LEFT I/P FUSE BLOCK (BEHIND LEFT SIDE OF DASH) LEFT STEERING WHEEL CONTROLS LR SPEAKER (+) LR SPEAKER (-) LT BLU WIRE LT GRN WIRE MUTE NCA WIRE ORG/ WIRE PLAY PPL PPL SERIAL DATA PRE RADIO RADIO ANTENNA RADIO ON SIG REMOTE RADIO CNTRL LF SPEAKER (+) LF SPEAKER (-) REAR ANTENNA DEFOGGER GRID RF SPEAKER (-) RF SPEAKER (+) PRK LAMP VOLTAGE RIGHT I/P FUSE BLOCK (BEHIND RIGHT SIDE OF DASH) RIGHT I/P FUSE BLOCK (BEHIND RIGHT SIDE OF DASH) RADIO BATTERY FUSE RIGHT STEERING WHEEL CONTROLS RR SPEAKER (-) RR SPEAKER (+) GROUND SEEK SET- STEERING WHEEL ASSEMBLY (PONTIAC) TAN WIRE VOL (-) WHT WIRE YEL 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