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 Cadillac CateraFACTORY OEM SERVICE PROCEDURE
Component Locations
COMPONENT LOCATIONS
| Component | Location | |||
|---|---|---|---|---|
| Body Control Module (BCM) | Mounted On Right "A" Pillar, Behind Trim Panel | |||
| Cellular Telephone | Center Console | |||
| Data Link Connector (DLC) | Left Of Steering Column | |||
| Door Lock Relay | Behind BCM | |||
| Electronic Control Module (ECM) | In Left Front Corner Of Engine Compartment, Above Battery | |||
| Fuel Tank Filler Door Lock Release Switch | Center Of Instrument Panel | |||
| Fuse Block | Under Left Side Of Instrument Panel | |||
| Headlight Relay (High Beam) | ||||
| Left (K73) (1) | In Relay Box (Position No. 7) | |||
| Right (K132) (1) | In Relay Box (Position No. 9) | |||
| Horn Relay K63 (1) | In Relay Box (Position No. 8) | |||
| Low Beam Relay K131 (1) | In Relay Box (Position No. 4) | |||
| Multifunction Relay Module K134 (1) | Under Left Side Of Instrument Panel | |||
| Relay Box (1) | Under Left Side Of Instrument Panel, To Right Of Steering Column | |||
| Remote Control Door Lock Receiver (RCDLR) | On Left Side Of Rear Compartment | |||
| Parking Light Relay K130 (1) | In Relay Box Position No. 3) | |||
| Power Distribution Fuse Block | In Left Front Corner Of Engine Compartment, Mounted To ECM, Above Battery | |||
| Stoplight Switch | On Brake Pedal | |||
| Transmission Control Selector Switch | On Gearshift Lever | |||
| Wiper Motor | In Center Rear 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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
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