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Message: <blockquote data-quote="Lil Poot" data-source="post: 2368569" data-attributes="member: 561892">do it if you like, but you'll probably still need an alt, 80 or 90 amp is pretty small. i assume by "4 gauge all around" you mean you've done the big 3 also? that should be big enough for what you're doing with your electrical system but if you come up on some cheap 1/0 i'd redo it in the thicker wire.i'd be looking into an alternator if i were you, you'll be fine with one decent battery.adding an isolator will give you something like a .3, .4 volt drop at the rear battery.</blockquote>

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