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H/O Alt problems Need advice/troubleshoot
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<blockquote data-quote="boxpunch" data-source="post: 8305382" data-attributes="member: 655113"><p>Ok a few facts for you.</p><p></p><p>The overdrive pulley is smaller than stock yes, but the stock alt was designed with that pulley. The singer alt you bought still could have too big of a pulley on it (due to your 600rpm idle)</p><p></p><p>If you haven't put a charger on your batteries before installation or after, yes your batteries could be discharged to the point where they no longer rest at 2.1v per cell.</p><p></p><p>When you clamp an alternator (you must do so with a DC clamp, not AC) you'll only get the output from the alt that meets the vehicle's needs. Quite often the vehicle never needs the full output and people say that their alt isn't putting out rated amperage.</p></blockquote><p></p>
[QUOTE="boxpunch, post: 8305382, member: 655113"] Ok a few facts for you. The overdrive pulley is smaller than stock yes, but the stock alt was designed with that pulley. The singer alt you bought still could have too big of a pulley on it (due to your 600rpm idle) If you haven't put a charger on your batteries before installation or after, yes your batteries could be discharged to the point where they no longer rest at 2.1v per cell. When you clamp an alternator (you must do so with a DC clamp, not AC) you'll only get the output from the alt that meets the vehicle's needs. Quite often the vehicle never needs the full output and people say that their alt isn't putting out rated amperage. [/QUOTE]
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