Need Help w/ system! - Ranger-Forums - The Ultimate Ford Ranger Resource


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Old 12-26-2008
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Need Help w/ system!

I have 2 Kicker CVX 1500 watts, 750 RMS.
Pushing those is one hifonics 1508 d. Respectively hitting 1500 RMS x 1ohm load. MY truck cant handle this at all and im building a new box so i need to get the energy situated. what do i need? a new alternator perhaps, capacitor, extra battery? please tell.
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Old 12-26-2008
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I would run a high amp alternator and a capacitor for something that big. The extra battery would only be necessary if you plan to sit and bump for a long period of time with the engine off. Switching to an Optima or Odyssey battery wouldn't hurt either.
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Old 12-26-2008
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Well I do have a really good duralast battery i think it runs close to the optima yellow top. if i get a 130A alternator how many farads would be good for a capacitor?
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Old 12-26-2008
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Well I do have a really good duralast battery i think it runs close to the optima yellow top. if i get a 130A alternator how many farads would be good for a capacitor ?
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Old 12-26-2008
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Quote:
Originally Posted by hittheball View Post
Well I do have a really good duralast battery i think it runs close to the optima yellow top.

very very highly unlikely
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Old 12-26-2008
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I would still go with a 1 farad capacitor. I think every 1/2 farad covers up to 500 watts. Better to have overkill than not enough.
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Old 12-26-2008
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I think you could just get a yellow top battery or two, bigger alt and bigger wires, I have been told caps are pointless but i dont really know haha

Matt
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Old 12-26-2008
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1.5 farad cap. and a bigger alternator. Also make sure you are running a 1/0 main power wire, with a 1/0 ground. then you should be fine.
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Old 12-27-2008
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not to thread jack but i think i may be having similar problems. do your lights dim when it using alot of juice or when it hits real hard? i know mines does. headlights and the aux. off-road ligths. new alternator might help but i dont really know.
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Old 01-01-2009
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use about a 1.5 or 2 farad cap. and im running an optima blue top and its good
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Old 01-01-2009
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Old 01-04-2009
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Im with timpat, upgrade to the big 3 and get an extra battery, not a capacitor.
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Old 01-04-2009
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A cap is basically a band-aid on cancer.
It'll work for a while, but in the end the battery & alt will suffer...especially if you plan on cranking it up all the time.

I'd suggest the "Big 3" as others have.

Find a 200a + alt if you can, you'll be glad you did someday when you want to add another amp, lights, etc.

While upgrading the alt, definitely upgrade the wimpy stock wiring. You can add a 300a alt, but if the power can't get from the alt to the battery/system, you've really not accomplished anything.

Don't forget: the ground is just as important as the power wires. Ground engine to frame, frame to body, body to battery.... every ground wire should be the same gauge & likewise the same gauge as the power wire.

The extra battery would be beneficial if you plan on cranking the stereo with the engine Off, but you'll need a battery isolator/switch for proper charging. I'm sure some of the most experienced electrical guru's here can suggest the proper equipment if you go that route.
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