Rich99

So I installed some subs that are taking a lot of power and now when I turn off my car it needs to be jump after I try to start it again sometimes the battery percentage is at 100% sometimes it’s at 0% could it be that my alternator just needs to be replaced or do I need a high output alternator and if so where could I buy one because I searched and can’t find any for an Audi A8 2005

d2noob

This is the D2 (1994-2002 MY) section. Please post in the D3 (2003-2010 MY)section.

JAA 4.2

Sounds like you have a battery drain and most likely not an alternator issue. Amps always on instead of coming on with switched power?

Rich99

the amp turns off when I turn off the engine