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Message: <blockquote data-quote="r0llinlacs" data-source="post: 7518168" data-attributes="member: 636634">How many amps is your alternator? 1000wrms is a lot of juice to pull from any factory electrical system. It will dim no matter what because your alternator can't re-charge your battery fast enough. The big 3 will help, yes, but it won't be a miracle fix. A H-O alternator is the miracle fix.Also 4 gauge is on the small side for 1000wrms. Do 2 gauge at least, and ground your battery to the chassis with 0 gauge. Anything can cause voltage drop, including small wires, especially when they are run the whole distance of the car (Hood to trunk).</blockquote>

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