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Old 08-31-2011, 12:23 PM
dvsgene dvsgene is offline
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Location: "Empire State" of Mind
Join Date: Sep 2002
Posts: 2,622
Mein Auto: 98 540i M62 3.15
Yep, typically OBC #9 should show 13.7V or higher with engine on. If you don't address the 500w AMP issue, your next alternator may follow the same fate. Either get a huge capacitor or Optima battery for it.

Last edited by dvsgene; 08-31-2011 at 12:28 PM.
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