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Message: <blockquote data-quote="djman37" data-source="post: 3644757" data-attributes="member: 554697">1 run of 1/0 is enough for the alt.  If you have an externally regulated alt, a trick to stop dimming is to turn your alt DOWN to 12.x volts.  That way your car's electrical is down to battery voltage and you won't notice the drop from whatever to 12.x.Do this; at night with the car running play a song so you get the dimming.  Turn the car off and repeat it.  If the lights still dim, you need more current storage.  With 7kw, I used two kinetik 2400's in the back and an 1800 up front.Make sure you have good grounds from your amps as well.  Heavy dimming(when you have decent voltage supply) can be a sign of insufficient grounding.</blockquote>

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