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Fuse Diagram Located on the Battery

Model: Audi Tt MK 1, 8N - Years 1998-2006
Part: Battery

By opening the hood, right at the battery compartment, there is a small box containing some of the most important fuses of the vehicle's electrical system; starting from the first fuse on the left (when facing the box), you will find the following fuses:
- alternator: if blown, the alternator will no longer charge the battery and the corresponding warning light will illuminate on the dashboard;
- internal fuse box power supply,
- engine cooling fan;
- low-pressure fuel pump: its failure prevents engine starting;
- secondary air pump for cold start.

Updated on 20 February 2026 by ScegliAuto

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