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Message: <blockquote data-quote="Buck" data-source="post: 8222071" data-attributes="member: 591582"><p>But really all you need in wire from the front is just how big your alt is.  My alt is 300 amps, which is pushing it for 1 run of 0 gauge, especially with a lot of it hot under the hood, which really increases resistance.  So I did 2 runs.  All my alt power will make it back with decently low resistance.  I also have 4/0 for the big 2, alt + and -.  Since mine is closed, no amps are grounded to frame, they are grounded to the battery via wire.  So that's why I only have the big 2 instead of big 3 in 4/0.  The other run from frame to battery - is in 0 gauge.</p></blockquote><p></p>

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