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Alternator or Capacitor
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<blockquote data-quote="ramos" data-source="post: 9165" data-attributes="member: 540858"><p>Let's see here. I'm gonna break out a little math on ya //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif</p><p></p><p>First you say your Explorer has a 95 amp alternator. Figure that your vehicle with all acc. require 60% of the total output of your alt. So multiply 95 x 40% or .4 and you get 38. So that means you have roughly 38 amp reserve capacity.</p><p></p><p>Now lets look at the current draw of your amps. You said you have one 760w max and one 480w max. So your looking at roughly 620w RMS. Now if we take 620( the RMS power of the two amps combined) and double it we get 1240. Now divide 1240 by 13.8(average output of an alternator) and we get roughly 90 amps. So your system is pulling roughly 90 amps.</p><p></p><p>As you can see you are overtaxing your electrical system. I highly doubt a cap or two would cure your problem. You might luck out and find a alternator with a higher output at a local part store.</p></blockquote><p></p>
[QUOTE="ramos, post: 9165, member: 540858"] Let's see here. I'm gonna break out a little math on ya [IMG]//content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif[/IMG] First you say your Explorer has a 95 amp alternator. Figure that your vehicle with all acc. require 60% of the total output of your alt. So multiply 95 x 40% or .4 and you get 38. So that means you have roughly 38 amp reserve capacity. Now lets look at the current draw of your amps. You said you have one 760w max and one 480w max. So your looking at roughly 620w RMS. Now if we take 620( the RMS power of the two amps combined) and double it we get 1240. Now divide 1240 by 13.8(average output of an alternator) and we get roughly 90 amps. So your system is pulling roughly 90 amps. As you can see you are overtaxing your electrical system. I highly doubt a cap or two would cure your problem. You might luck out and find a alternator with a higher output at a local part store. [/QUOTE]
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