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<blockquote data-quote="gimpster80" data-source="post: 1563478" data-attributes="member: 566816"><p>Whoa.&nbsp; Your making that way to complicated and EXPENSIVE! what is the fuse rating on the orion, if its less 150 amps or less you don&#039;t need that 1/0 gauge running all the way to back, maybe just 4ga on the positive, since your vehicle is probably a newer one and has a self regulator the max you&#039;ll see is 13.5 to 14.5 volts, so even if your altenator is cranking out 300amps you will not see it at this battery, the only time it will benefit you is when you put it under a load, eg. your amp. once you place a battery near your amp thats where you bulk power will come from, as long as that battery stays well charged and itll have little affect on your cars electrical system espeacially with that nice altenator, considering the dry cell and CCA it has a single 4 gauge or 1/0 positive running to the rear will be fine, use 1/0 from your 2nd battery to your amp on positive and negative, ground the 2nd battery with 4gauge or 1/0 if you like.&nbsp; the ground to the second battery and the positive to the 2nd battery will be for charging purposes and thats all, if you don&#039;t beleive me, put a small 40 amp fuse on the positive running to the front and crank your amp,&nbsp; I bet it won&#039;t blow? that is if the 2nd battery has a good charge. you don&#039;t need a fuse from the second battery to the amp at all as long as it is clean routed and no longer than a couple feet, EXACTLY HOW IS THAT WIRE SUPPOSED TO SHORT ANYWAY? unless you hook it straight to a ground. You&#039;ll see a little better power without that excess fuse.</p></blockquote><p></p>

[QUOTE="gimpster80, post: 1563478, member: 566816"] Whoa. Your making that way to complicated and EXPENSIVE! what is the fuse rating on the orion, if its less 150 amps or less you don't need that 1/0 gauge running all the way to back, maybe just 4ga on the positive, since your vehicle is probably a newer one and has a self regulator the max you'll see is 13.5 to 14.5 volts, so even if your altenator is cranking out 300amps you will not see it at this battery, the only time it will benefit you is when you put it under a load, eg. your amp. once you place a battery near your amp thats where you bulk power will come from, as long as that battery stays well charged and itll have little affect on your cars electrical system espeacially with that nice altenator, considering the dry cell and CCA it has a single 4 gauge or 1/0 positive running to the rear will be fine, use 1/0 from your 2nd battery to your amp on positive and negative, ground the 2nd battery with 4gauge or 1/0 if you like. the ground to the second battery and the positive to the 2nd battery will be for charging purposes and thats all, if you don't beleive me, put a small 40 amp fuse on the positive running to the front and crank your amp, I bet it won't blow? that is if the 2nd battery has a good charge. you don't need a fuse from the second battery to the amp at all as long as it is clean routed and no longer than a couple feet, EXACTLY HOW IS THAT WIRE SUPPOSED TO SHORT ANYWAY? unless you hook it straight to a ground. You'll see a little better power without that excess fuse. [/QUOTE]

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