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Message: <blockquote data-quote="Alpineforever" data-source="post: 4418626" data-attributes="member: 585728">You have a 3000D and you DON'T know what he means?He means current draw increases the lower the resistance, so at 1 ohm lets assume (for all intents and purposes) that the current draw from your charging system is 250 amps. You'll need to be able to provide that or voltage will continue to drop until that amount of current can be provided. If you drop the amp to .5 ohms you can see current draws upwards of 400 amps... so he's saying you better be able to give that amp what it needs or you'll lose voltage, and end up frying your amp. I'd assume at least 250 amps from the alternator and probably 2 big batteries would do the trick along with big 3.</blockquote>

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