Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
1998 Oldsmobile Cutlass BaseFACTORY OEM SERVICE PROCEDURE
Component Locations
COMPONENT LOCATIONS
| Component | Location | |||
|---|---|---|---|---|
| Ambient Light Sensor | Top Of Instrument Panel Trip Pad | |||
| Body Function Controller (BFC) (1) | Below Right Side Of Instrument Panel | |||
| Door Ajar Switch | In Respective Door | |||
| Electronic Brake Control | Inside Left Fender Module (EBCM) | |||
| Engine Coolant Level Switch | Right Front Corner Of Engine Compartment Attached To Coolant Reservoir | |||
| Fuel Tank Module | Under Center Rear Of Vehicle | |||
| Ignition Switch | Left Side Of Instrument Panel | |||
| Parking Brake Switch | Under Left Kick Panel Connector | |||
| Powertrain Control Module (PCM) | Under Left Side Of Instrument Panel Near Steering Column | |||
| Remote Control Door Lock Receiver (RFA) | Rear Package Shelf | |||
| Seat Belt Switch | Under Driver's Seat | |||
| Sensing & Diagnostic Module (SDM) | Under Passenger's Seat | |||
| Washer Fluid Level Sensor | Inside Left Fender | |||
| Wiring Harness Junction Blocks | ||||
| Left Instrument Panel | Under Left End Of Instrument Panel | |||
| Right Instrument Panel | Under Right End Of Instrument Panel | |||
| Underhood | Left Side Of Engine Compartment | |||
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Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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