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d64nova

2007 vlx alternator upgrade what are you using

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d64nova

hey guys what is the stock amperage of the alternator from a 2007 vlx and what are you using if you up grade have the radical stereo and stock cant keep up with demand  thanks in advance denny

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Ndawg12

I believe mine is 90amp.  I think most people, rather than swapping to a larger alternator, add a battery or 2, a switch of some kind to ensure you still have enough juice to start the boat, and an onboard charging system.

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d64nova

YEAH I HAVE 3 BATTERIES NOW MY STEREO IS A POWER ADDICT WHEN BATTS GET LOW @ LOWER RPM THEY CANT REPLENISH SO BASICALLY IF YOU ARE TIED OFF AND NEED TO RECHARGE BATTS WITH MY SYSTEM ON @8-1000 RPM CHARGES UNDER 12V THOUGHT ABOUT ADDING A FEW MORE DEDICATED BATTS  BUT A 130 AMP ALT WOULD PROBABLY MALE IT HAPPY AS WELL THANKS FOR RESPONDING DENNY

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minnmarker

Switch to class D amps?

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d64nova

MARK PRETTY SURE THATS WHAT IM RUNNING DENNY 

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minnmarker

If you Get less than 12 volts at 1000 rpm with the sereo off you have a problem somewhere - wiring or alternator.  If it's your stereo dragging it down at 1000 rpm you need to get more efficient amps, turn it down, or get an APU :whistle:

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d64nova

CHARGING IS FINE WITH OUT THE STEREO OR YOU ARE CRUISING SPEED THEY ARE THE NEW ARC AUDIOS 

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minnmarker

Not all ARC Audio amps are class D. Some of their most expensive are A/B.

You need more storage, or more current in, or less current out. Maybe if you post exactly what you have (batteries, chargers, amps, speakers - with model numbers) then someone will have a good idea.

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d64nova

ILL TALK TO MY STEREO GUY JUST DID THIS A FEW MONTHS AGO JUST ANOTHER WINTER PROJECT THANKS FOR THE INPUT MARK 

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