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<blockquote data-quote="Pennybags" data-source="post: 2905763" data-attributes="member: 572792">This is very true. If you are using the stock alternator, the wiring used was based on what the alt can put out. Installing a bigger wire on that end is not going to improve much due to the same amount of current being drawn through.If you have the same generating plant making the same amount of energy, a bigger wire is not going to produce more energy. It may make it easier to flow but will not make it produce any more or any less. I can see it helping on vehicles that have a bad electrical system design where it was not intended to be using a large portion of current from your alternator all the time. If that&#039;s the case, your alternator wasn&#039;t designed for that consistent amount of high amp use either. You might as well replace that with something higher while your at it.The ground wiring is something different. If your running a 4/2/0 gauge to your amp and your grounding it to a metal surface in the rear, your stock ground wire will be bottlenecked with the wire from the main and from the other 4/2/0 power wire you ran to the back. I can see where the ground wire being larger, or a larger one added as some have said, will improve in that aspect.</blockquote>

[QUOTE="Pennybags, post: 2905763, member: 572792"] This is very true. If you are using the stock alternator, the wiring used was based on what the alt can put out. Installing a bigger wire on that end is not going to improve much due to the same amount of current being drawn through. If you have the same generating plant making the same amount of energy, a bigger wire is not going to produce more energy. It may make it easier to flow but will not make it produce any more or any less. I can see it helping on vehicles that have a bad electrical system design where it was not intended to be using a large portion of current from your alternator all the time. If that's the case, your alternator wasn't designed for that consistent amount of high amp use either. You might as well replace that with something higher while your at it. The ground wiring is something different. If your running a 4/2/0 gauge to your amp and your grounding it to a metal surface in the rear, your stock ground wire will be bottlenecked with the wire from the main and from the other 4/2/0 power wire you ran to the back. I can see where the ground wire being larger, or a larger one added as some have said, will improve in that aspect. [/QUOTE]

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