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Everything Dirt Bike
General Dirt Bike
Installing a mini rectifier to keep fan from draining battery
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<blockquote data-quote="ULEWZ" data-source="post: 82434" data-attributes="member: 156"><p>I tired that, and I never seemed to hit the switch until it was too late. It also still drains the battery, where this method does not. the problem is mainly when going slow since the existing rectifier doesn't supply any juice to the battery at this low RPM and the battery is powering the fan. The little rectifier powers the fan directly and as the voltage goes down due to low RPMs, all that happens is the fan turns slower, but still fast enough to cool things. The battery never enters into this equation. This is not the only method to keep a battey from being drained, the Higher capacity rectifier also works, but costs way more and requires more work. I did a lot of research on this method before trying it and after a couple of years, it still works great and my battery has not gone flat since.</p></blockquote><p></p>
[QUOTE="ULEWZ, post: 82434, member: 156"] I tired that, and I never seemed to hit the switch until it was too late. It also still drains the battery, where this method does not. the problem is mainly when going slow since the existing rectifier doesn't supply any juice to the battery at this low RPM and the battery is powering the fan. The little rectifier powers the fan directly and as the voltage goes down due to low RPMs, all that happens is the fan turns slower, but still fast enough to cool things. The battery never enters into this equation. This is not the only method to keep a battey from being drained, the Higher capacity rectifier also works, but costs way more and requires more work. I did a lot of research on this method before trying it and after a couple of years, it still works great and my battery has not gone flat since. [/QUOTE]
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Everything Dirt Bike
General Dirt Bike
Installing a mini rectifier to keep fan from draining battery
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