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Home >> Audi >> 2004 >> S6 V8-4.2L (BBD) >> Repair and Diagnosis >> Power and Ground Distribution >> Fuse Block >> Service Precautions
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Fuse Block: Service Precautions




Relay and fuse panels


WARNING!
Always disconnect battery Ground (GND) strap before working on electrical system.



NOTE:
- Obtain radio code before disconnecting battery.
- Be sure to activate vehicle features (radio, clock, electric window regulator, engine) when the battery is re-connected.