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.
1999 Audi A8 BaseFACTORY OEM SERVICE PROCEDURE
Circuit Protection Devices
CIRCUIT PROTECTION DEVICES LOCATION
| Component | Component Location |
|---|---|
| Fuse Panel | At right front footwell. |
| Plenum Chamber E-Box | At right rear of engine compartment, in plenum chamber. |
| Plenum Chamber E-Box Relay & Fuse Panel | In plenum chamber E-box. |
| Power Seat Circuit Breaker (1) | On right front footwell E-box auxiliary fuse & relay panel. |
| Power Seat Circuit Breaker (2) | On right front footwell E-box auxiliary fuse & relay panel. |
| Power Window Circuit Breaker (Front) | On relay panel. |
| Power Window Circuit Breaker (Rear) | On relay panel. |
| Protection Diode | In right front footwell E-box. |
| Relay Panel | At left side of dash, below driver's storage compartment. |
| Relay & Fuse Panel | At right side of luggage compartment. |
| Right Front Footwell E-Box | At right front footwell. |
| Right Front Footwell E-Box Auxiliary Fuse & Relay Panel | In right front footwell E-box. |
| Right Front Footwell E-Box Central Electric Panel | In right front footwell E-box. |
| Right Front Footwell E-Box Relay Panel | In right front footwell E-box. |
Factory Service Tools
Use the Manual With the Right Hardware
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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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