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Message: <blockquote data-quote="woodplock7" data-source="post: 3349218" data-attributes="member: 571846">Ok so i finally got around to measuring the dimming again and i found out that with the car off with the lights on i drop to 11.6v on a constant bass note and with the car on i drop to 11.8v. The lights dim with the car on and off. My alt is an EA 200a alt. Also how do i find out i a batter is agm? sorry for the noob questions. And if im dropping that low only off 1600 watts and a 2nd battery wont help what would i do if i wanted to run 2500 watts or something? Idk if i could get a bigger alt for my car.Thanks for the help</blockquote>

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