Oldsmobile Alero I (1999-2004) brn Wiring diagrams

AUTOMATIC DAY/NIGHT MIRROR ELEMENT BLK WIRE BRN WIRE GRN WIRE HEADLIGHT SENSOR AMBIENT LIGHT SENSOR HOT IN ON RIGHT I/P FUSE BLOCK (BEHIND RIGHT SIDE OF DASH) CRUISE FUSE E INSIDE REARVIEW MIRROR W/ READING LAMPS LOGIC CIRCUITS LT GRN WIRE PNK M/T A/T WIRE PNK PNK WIRE SPLICE PACK

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

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

BLK WIRE BLU WIRE BRN WIRE DOWN DRIVE UNIT DRIVER OUTSIDE REARVIEW MIRROR GRN WIRE GRY WIRE HOT AT ALL TIMES POWER MIRROR FUSE D L-R LEFT LEFT I/P FUSE BLOCK MIRROR CONTROL SWITCH MIRROR SELECT SWITCH NCA WIRE OFF ORG/ WIRE OUTSIDE REARVIEW MIRROR SWITCH PASSENGER OUTSIDE REARVIEW MIRROR PPL RED WIRE RIGHT SPLICE PACK TO INTERIOR LIGHTS SYSTEM UP DN WHT 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

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