E46Fanatics - View Single Post - New Battery Terminal or Just Use a Ring Terminal straight to battery?
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Old 02-21-2013, 07:45 PM   #4
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Join Date: Dec 2011
Location: Brisbane
Posts: 527
My Ride: 2004 325i
I grounded my amps directly to the chassis with no distro block.
Depending on what you are running from your amps (i.e. subs, mids, highs), using the same ground could also induce noise. It would be best to keep them separate.
4GA is a lot easier to terminate than 0GA anyway.
Here's one article that has good recommendations: http://www.termpro.com/asp/pubs.asp?ID=121
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