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<blockquote data-quote="Dimwit" data-source="post: 8210900" data-attributes="member: 658757">I wish I remember where I saw it but there is a thread on here that actually shows exactly how to wire up multiple batteries and how to fuse it all to protect your wire let me look for it.Edit: Well I looked for a while and can&#039;t seem to find it.My understanding is that you should run a positive lead from the front batt to the one in the back. Both batteries should be grounded to the chassis and a lead should connect the negative terminals of the batteries. Then ground your amp to the negative terminal of the battery in the back.For fusing the batteries you should have a fuse on the positive lead close to each battery on each end of the battery. So for a two battery setup you would have 3 fuses. Hopefully this makes sense. One fuse at the beginning of the lead from the front battery. Another will be at the end of that lead right before the battery in the rear. Then one more fuse at the beginning of the lead from the battery to the amp.I hope this clears things up and doesn&#039;t just confuse you more!Second edit:Found it hopefully the link works<a href="http:////forums/wiring-electrical-installation-help/398527-dual-battery-wiring-tutorial-why.html" target="_blank">http://www.caraudio.com/forums/wiring-electrical-installation-help/398527-dual-battery-wiring-tutorial-why.html</a></blockquote>

[QUOTE="Dimwit, post: 8210900, member: 658757"] I wish I remember where I saw it but there is a thread on here that actually shows exactly how to wire up multiple batteries and how to fuse it all to protect your wire let me look for it. Edit: Well I looked for a while and can't seem to find it. My understanding is that you should run a positive lead from the front batt to the one in the back. Both batteries should be grounded to the chassis and a lead should connect the negative terminals of the batteries. Then ground your amp to the negative terminal of the battery in the back. For fusing the batteries you should have a fuse on the positive lead close to each battery on each end of the battery. So for a two battery setup you would have 3 fuses. Hopefully this makes sense. One fuse at the beginning of the lead from the front battery. Another will be at the end of that lead right before the battery in the rear. Then one more fuse at the beginning of the lead from the battery to the amp. I hope this clears things up and doesn't just confuse you more! Second edit: Found it hopefully the link works [URL="http:////forums/wiring-electrical-installation-help/398527-dual-battery-wiring-tutorial-why.html"]http://www.caraudio.com/forums/wiring-electrical-installation-help/398527-dual-battery-wiring-tutorial-why.html[/URL] [/QUOTE]

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