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Wiring, Electrical & Installation
Double 1/0 CCA vs Single 2/0 CCA vs Single 1/0 OFC
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<blockquote data-quote="UnknowingDIYer" data-source="post: 8843130" data-attributes="member: 688967"><p>I know it has been rehashed over and over, but I am still having trouble deciding the best way to wire my new HO Alt with the rest of my planned system. I would greatly appreciate the experts to give this amateur some assistance.</p><p></p><p><strong>Build for Jeep Wrangler Unlimited:</strong></p><p><a href="https://www.ebay.com/itm/254830199293?mkcid=1&mkrid=711-53200-19255-0&siteid=0&customid=link&campid=5335951755&toolid=20001&mkevt=1" target="_blank">BNR Parts 350 Amp Alternator</a> (Purchased) Yes... I know their reputation, but only the small shops have 300+ amp alts for the 3.8L jeeps.</p><p></p><p><a href="https://www.kenwood.com/usa/car/caraudio/navigation_multimedia/dmx9707s/" target="_blank">Kenwood DMX9707S</a> (Purchased)</p><p></p><p><a href="https://www.skaraudio.com/products/vxf-15-inch-car-subwoofer?variant=3047008927767" target="_blank">Dual Skar VXF-15 D4</a> (Purchased) wired to 4 ohm at 3,000W RMS</p><p><a href="https://deafbonce.com/amplifiers/apocalypse-aab-7900-1d" target="_blank">Deaf Bounce Apocalypse AAB-7900.1D</a>(Purchased) 4 ohm RMS 3000W</p><p></p><p><a href="https://sovrn.co/rxnoyeg" target="_blank">Alpine PDX-F6</a> (Purchased)</p><p><a href="https://hertz-audio.com/product/car-audio-speakers-system-mille-legend-mlk1650-3/" target="_blank">Hertz MLK 165.3 Pro</a> (Purchased) 110 RMS Each Side in Knee Panel & Dash</p><p><a href="https://hertz-audio.com/product/car-audio-woofers-mille-legend-ml1650_3/" target="_blank">Hertz ML 1650.3</a> (Purchased) 100W RMS Each in Roll Bar</p><p></p><p><a href="https://4xspower.com/product/d3100/" target="_blank">XS Power 3100D</a> (Purchased) 12V BCI Group 31 AGM Battery, Max Amps 5,000A, CA: 1565, Ah: 127, 4000W / 5000W+</p><p></p><p><a href="https://mosconi-america.com/portfolio/dsp-8to12-aerospace/" target="_blank">Mosconi 8 To 12 Aerospace</a> (Purchased) - I am looking for a controller, so message me if you selling one</p><p></p><p>Wiring - Plan on using 2/0 welding wire</p><p></p><p></p><p><strong>My Questions:</strong></p><p>What size wire should I use for the Big 3? In my head, I like two runs so that I can put 300amp fuses on the lines. If I run one line, I would have to run a fuse higher than the amps output and I heard running too high of fuses becomes less effective in managing heat/fires... or am I mistaken?</p><p></p><p>What size wire should I use for the line from the main battery under the hood to the rear batter? Again, I'm thinking of two lines so I can put 300amp fuses on them?</p><p></p><p>What size secondary battery should I use? I see people suggesting just adding up the RMS. So I'm thinking between the XS Power D4900, D6500, OR D3400R?</p><p></p><p>Edit: Updated after changing calculations from 2ohm to 4ohm</p><p>Edit2: Updated new build</p></blockquote><p></p>
[QUOTE="UnknowingDIYer, post: 8843130, member: 688967"] I know it has been rehashed over and over, but I am still having trouble deciding the best way to wire my new HO Alt with the rest of my planned system. I would greatly appreciate the experts to give this amateur some assistance. [B]Build for Jeep Wrangler Unlimited:[/B] [URL='https://www.ebay.com/itm/254830199293?mkcid=1&mkrid=711-53200-19255-0&siteid=0&customid=link&campid=5335951755&toolid=20001&mkevt=1']BNR Parts 350 Amp Alternator[/URL] (Purchased) Yes... I know their reputation, but only the small shops have 300+ amp alts for the 3.8L jeeps. [URL='https://www.kenwood.com/usa/car/caraudio/navigation_multimedia/dmx9707s/']Kenwood DMX9707S[/URL] (Purchased) [URL='https://www.skaraudio.com/products/vxf-15-inch-car-subwoofer?variant=3047008927767']Dual Skar VXF-15 D4[/URL] (Purchased) wired to 4 ohm at 3,000W RMS [URL='https://deafbonce.com/amplifiers/apocalypse-aab-7900-1d']Deaf Bounce Apocalypse AAB-7900.1D[/URL](Purchased) 4 ohm RMS 3000W [URL='https://sovrn.co/rxnoyeg']Alpine PDX-F6[/URL] (Purchased) [URL='https://hertz-audio.com/product/car-audio-speakers-system-mille-legend-mlk1650-3/']Hertz MLK 165.3 Pro[/URL] (Purchased) 110 RMS Each Side in Knee Panel & Dash [URL='https://hertz-audio.com/product/car-audio-woofers-mille-legend-ml1650_3/']Hertz ML 1650.3[/URL] (Purchased) 100W RMS Each in Roll Bar [URL='https://4xspower.com/product/d3100/']XS Power 3100D[/URL] (Purchased) 12V BCI Group 31 AGM Battery, Max Amps 5,000A, CA: 1565, Ah: 127, 4000W / 5000W+ [URL='https://mosconi-america.com/portfolio/dsp-8to12-aerospace/']Mosconi 8 To 12 Aerospace[/URL] (Purchased) - I am looking for a controller, so message me if you selling one Wiring - Plan on using 2/0 welding wire [B]My Questions:[/B] What size wire should I use for the Big 3? In my head, I like two runs so that I can put 300amp fuses on the lines. If I run one line, I would have to run a fuse higher than the amps output and I heard running too high of fuses becomes less effective in managing heat/fires... or am I mistaken? What size wire should I use for the line from the main battery under the hood to the rear batter? Again, I'm thinking of two lines so I can put 300amp fuses on them? What size secondary battery should I use? I see people suggesting just adding up the RMS. So I'm thinking between the XS Power D4900, D6500, OR D3400R? Edit: Updated after changing calculations from 2ohm to 4ohm Edit2: Updated new build [/QUOTE]
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