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Message: <blockquote data-quote="LiveAudio911" data-source="post: 7110035" data-attributes="member: 622999">I'm not a fan of Yellow tops, they have really low power rating compared to Kentik's.. esp for the price.. bottom line is your lights dim because there is not enough amperage in the electrical system to meet the demand, so when your amps pull power.. (its being shared with everything else) amperage drops so your lights dim..Having a bigger battery could and might correct it if its big enough and can store enough power to allow time for the alt to recharge the bat... but even if that if you can not get a battery big enough to supply the amperage the alt lacks to produce... then you would need to consider either putting a second battery in to supply reinforcement, or upgrade the alt..You probably need to find out what your alt is putting out... some stock alts are very low.. and offer OEM upgrades to a few amps higher.. sometimes can help.. while other times you have to buy an aftermarket alt that can produce 200 amp or so..Basically everything depends on the car/truck... each one uses different amounts of power.. but for simplistic reasons (Lame's terms) a typical vehicle will use about 70 amps of power running give or take..Typical 1,000 watts of rms power (not exact but just as general guide) 70 amps or more.. depending on the amp.. most stock alts produce between 80ish give or take up to 130 amps (give or take)So for example lets say these values were some what close.. (which they are not by any means accurate) this example you would need 140 amps constant, of current available in the electrical system, now the key here is.. so you basically you would need a big enough battery or batteries to compensate for the lack of ability of the alt to produce that much..I suppose in this instance an HC2000 Could possibly* supply the power needed allow the under sized alt to keep up with the electrical demands somewhat.. but the core problem still is the alt can not recharge the battery(ies) properly.. you could probably get away with it for a short while but if you never allowed the bats to recharge you would probably at some point see the lack of amperage in the system return, but that would be very dependent on the use of the amps.. I'm sure you do not run around blaring your stereo to every single song.. or constantly pull full power.. so more than likly in this case you would probally get away with it being the alt would have time to recharge the battery and keep up..Again just my opinion... and not really sure how 'correct' I am..</blockquote>

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