Buick Skylark Custom 1993 - ELECTRICAL COMPONENT LOCATOR 1993 ELEC COMPONENT LOCATION General Motors Corp. - Electrical Component Location

Buick Skylark Custom 1993 - BUZZERS, RELAYS & TIMERS

Buick Skylark Custom 1993 BUZZERS, RELAYS & TIMERS LOCATION

Component	Location
ABS Relay	Center of engine compartment firewall, on relay bracket.
A/C Compressor Relay
2.3L (VIN A & D)	Center of engine compartment firewall, on relay bracket. See Fig. 1 .
2.3L (VIN 3)	Center of engine compartment firewall, on relay bracket. See Fig. 2 .
3.3L (VIN N)	Center of engine compartment firewall, on relay bracket. See Fig. 3 .
Automatic Door Lock Relay	Behind left side of dash, near convenience center.
Blower Fan Relay (High)
2.3L (VIN A & D)	Center of engine compartment firewall, on relay bracket. See Fig. 1 .
2.3L (VIN 3)	Center of engine compartment firewall, on relay bracket. See Fig. 2 .
3.3L (VIN N)	Center of engine compartment firewall, on relay bracket. See Fig. 3 .
Cooling Fan Relay
2.3L (VIN A & D)	Center of engine compartment firewall, on relay bracket. See Fig. 1 .
2.3L (VIN 3)	Center of engine compartment firewall, on relay bracket. See Fig. 2 .
3.3L (VIN N)	Center of engine compartment firewall, on relay bracket. See Fig. 3 .
Defogger Timer Relay	Behind left side of dash, right of steering column.
Foglight Relay	On radiator support, near battery.
Fuel Pump Relay
2.3L (VIN A & D)	Center of engine compartment firewall, on relay bracket. See Fig. 1 .
2.3L (VIN 3)	Center of engine compartment firewall, on relay bracket. See Fig. 2 .
3.3L (VIN N)	Center of engine compartment firewall, on relay bracket. See Fig. 3 .
Hazard Flasher Relay
Achieva & Skylark	In convenience center.
Grand Am	Behind center of dash, behind radio.
Horn Relay	In convenience center, left of steering column.
Power Antenna Relay	In luggage compartment, on antenna motor.
Turn Signal Flasher Relay	Under left side of dash, right of steering column.

Buick Skylark Custom 1993 - CIRCUIT PROTECTION DEVICES

Buick Skylark Custom 1993 CIRCUIT PROTECTION DEVICES LOCATION

Component	Location
Convenience Center (Achieva & Skylark)	Under left side of dash, above fuse block.
Fuse Block
2.3L (VIN A & D)	Under left side of dash, to left of steering column. See Fig. 1 .
2.3L (VIN 3)	Under left side of dash, to left of steering column. See Fig. 2 .
3.3L (VIN N)	Under left side of dash, to left of steering column. See Fig. 3 .
Fusible Links	At starter solenoid and battery positive terminal pigtail.

Buick Skylark Custom 1993 - CONTROL UNITS

Buick Skylark Custom 1993 CONTROL UNITS LOCATION

Component	Location
ABS Control Module	On engine compartment firewall, left of blower motor.
ABS Warning Light Module	Behind center of dash, taped to wiring harness, near fuse block.
Active Suspension Control Module
Achieva	Behind left side of dash, above fuse block.
Skylark	Behind right side of dash, on sound insulator.
Antenna/Rear Defogger Module	On top center of rear shelf.
Computer Controlled Coil Ignition (C3I) Module (3.3L)	On left rocker cover. See Fig. 3 .
Cruise Control Module
Achieva & Skylark	Behind right side of dash, near glove box.
Grand Am	Behind left side of dash, near fuse block.
Daytime Running Lights (DRL) Module	Behind left side of dash, taped to sound insulator.
Electronic Control Module (ECM)
2.3L (VIN A & D)	Behind right kick panel. See Fig. 1 .
2.3L (VIN 3)	Behind right kick panel. See Fig. 2 .
3.3L (VIN N)	Behind right kick panel. See Fig. 3 .
Electronic Variable Orifice (EVO) Steering Controller	Behind right side of dash, left of speaker.
Integrated Direct Ignition (IDI) Module (2.3L)
2.3L (VIN A & D)	On rocker cover. See Fig. 1 .
2.3L (VIN 3)	On rocker cover. See Fig. 2 .
Light Dimmer Module	Behind right side of dash, on right side of steering column bracket.
Multi-Function Alarm Module	Under left side of dash, on convenience center.
Power Steering Control Module	Near right kick panel.
Power Window Control Module	In lower front of driver door.
PRNDL Control Module	Under center console, at gear selector. See Fig. 3 .
Remote Keyless Entry Module	In luggage compartment, above left wheelwell.

Buick Skylark Custom 1993 - SENDING UNITS & SENSORS

Buick Skylark Custom 1993 SENDING UNITS & SENSORS LOCATION

Component	Location
ABS Wheel Sensors	At each wheel hub assembly.
A/C Pressure Sensor	Near coolant recovery tank. See Fig. 3 .
A/C Refrigerant Temperature Sensor	On discharge line, at A/C condenser.
Coolant Temp. Sending Unit
2.3L	At flywheel end of engine, near coolant outlet.
3.3L	Below alternator.
Coolant Temperature Sensor
2.3L (VIN A & D)	At flywheel end of engine, near coolant outlet. See Fig. 1 .
2.3L (VIN 3)	At flywheel end of engine, near coolant outlet. See Fig. 2 .
3.3L	Below alternator. See Fig. 3 .
Crankshaft Position Sensor
2.3L	On left side of cylinder block, near oil filter.
3.3L	Behind crankshaft pulley.
Dual Crank Sensor (3.3L)	Behind crankshaft pulley. See Fig. 3 .
Fuel Pump Switch/Oil Pressure Sender
2.3L	On flywheel end of cylinder head.
3.3L	On right side of cylinder block, near front of engine.
Intake Air Temp. (IAT) Sensor (2.3L)
2.3L (VIN A & D)	On intake manifold, between runners No. 3 and 4. See Fig. 1 .
2.3L (VIN 3)	On intake manifold, between runners No. 3 and 4. See Fig. 2 .
Knock Sensor
2.3L (VIN A & D)	On right side of cylinder block, near transaxle. See Fig. 1 .
2.3L (VIN 3)	On right side of cylinder block, near transaxle. See Fig. 2 .
3.3L	On right side of cylinder block, near oil pressure switch. See Fig. 3 .
Manifold Absolute Pressure (MAP) Sensor
2.3L (VIN A & D)	On top of intake manifold. See Fig. 1 .
2.3L (VIN 3)	On top of intake manifold. See Fig. 2 .
Mass Airflow (MAF) Sensor (3.3L)	On throttle body. See Fig. 3 .
Steering Wheel Position Sensor	Behind dash, at steering column.
Throttle Position (TP) Sensor
2.3L (VIN A & D)	On throttle body assembly. See Fig. 1 .
2.3L (VIN 3)	On throttle body assembly. See Fig. 2 .
3.3L (VIN N)	On throttle body assembly. See Fig. 3 .
Vehicle Speed Sensor (VSS)
2.3L (VIN A & D)	On transaxle extension housing, where right axle exits transaxle. See Fig. 1 .
2.3L (VIN 3)	On transaxle extension housing, where right axle exits transaxle. See Fig. 2 .
3.3L (VIN N)	On transaxle extension housing, where right axle exits transaxle. See Fig. 3 .

Buick Skylark Custom 1993 - MOTORS

Buick Skylark Custom 1993 MOTORS LOCATION

Component	Location
ABS Actuator Motor	On left side of engine compartment, near master cylinder.
Blower Motor	At right side of firewall, in engine compartment.
Idle Air Control (IAC) Motor
2.3L (VIN A & D)	On throttle body. See Fig. 1 .
2.3L (VIN 3)	On throttle body. See Fig. 2 .
3.3L (VIN N)	On throttle body. See Fig. 3 .
Power Antenna Motor	At base of antenna.
Power Door Lock Motor	One in each door.
Power Mirror Motor	In each mirror assembly.
Power Seat Motor	Under driver seat.
Power Window Motor	One in each door.
Windshield Wiper Motor	On left side of firewall, in engine compartment.

Buick Skylark Custom 1993 - SOLENOIDS & SOLENOID VALVES

Buick Skylark Custom 1993 SOLENOIDS & SOLENOID VALVES LOCATION

Component	Location
Brake-Transaxle Shift Interlock (BTSI) Solenoid	Behind left side of dash, near panel dimmer switch.
Canister Purge Solenoid
2.3L (VIN A & D)	On vapor canister, or in vapor purge hose. See Fig. 1 .
2.3L (VIN 3)	On vapor canister, or in vapor purge hose. See Fig. 2 .
3.3L (VIN N)	On vapor canister, or in vapor purge hose. See Fig. 3 .
Electronic Variable Orifice (EVO) Steering Solenoid	On power steering pump reservoir.
Torque Converter Clutch (TCC) Solenoid	On transaxle valve body.

Buick Skylark Custom 1993 - SWITCHES

Buick Skylark Custom 1993 SWITCHES LOCATION

Component	Location
A/C Pressure Switches	On back of A/C compressor.
A/C Pressure Cycling Switch	On A/C accumulator.
Active Suspension Control Lateral Acceleration Switch	Under right front seat.
Back-Up Light Switch	On top of transaxle.
Brake Fluid Level Switch	In brake master cylinder reservoir.
Brake Pressure Switch	At front left side of master cylinder.
Brake/Stoplight Switch	On brake pedal support.
Clutch/Cruise/Start Switch	On clutch pedal support.
Coolant Level Switch	In coolant reservoir.
Door Ajar Switch	One in each door jamb.
Fuel Pump/Oil Pressure Switch
2.3L	On flywheel end of cylinder head.
3.3L	On right side of cylinder block, near front of engine.
Gear Selector Switch (A/T)	In console, at base of shifter lever.
Oil Level Switch	On oil pan.
Park/Neutral (P/N) Switch
2.3L (VIN A & D)	On right rear of transaxle. See Fig. 1 .
2.3L (VIN 3)	On right rear of transaxle. See Fig. 2 .
3.3L (VIN N)	On right rear of transaxle. See Fig. 3 .
Parking Brake Switch	At base of parking brake lever.
Power Steering Press. Switch (PSPS)	In power steering pressure line, near coolant outlet.
Seat Belt Switch	In driver's seat belt buckle assembly.
Windshield Washer Fluid Level Switch	In windshield washer fluid reservoir.

Buick Skylark Custom 1993 - MISCELLANEOUS

Buick Skylark Custom 1993 MISCELLANEOUS LOCATION

Component	Location
A/C Clutch Diode	In A/C compressor clutch harness connector.
Blower Motor Resistor	Center of engine compartment firewall, on blower case.
Data Link Connector (DLC)
2.3L (VIN A & D)	On left side of dash, below steering column. See Fig. 1 .
2.3L (VIN 3)	On left side of dash, below steering column. See Fig. 2 .
3.3L (VIN N)	On left side of dash, below steering column. See Fig. 3 .
Fuel Pump Test Connector
2.3L (VIN A & D)	Behind left shock tower, taped to wiring harness. See Fig. 1 .
2.3L (VIN 3)	Behind left shock tower, taped to wiring harness. See Fig. 2 .
3.3L (VIN N)	Behind left shock tower, taped to wiring harness. See Fig. 3 .