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Old 05-16-2022, 10:14 AM   #1
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Join Date: May 2022
Posts: 3
93 American Eagle alternator question

I'm so new to the group that I might be posting this in the wrong area. Recently with the help of this group i was able to order and replace the alternator for the 8.0 onan generator. After doing so, i noticed that the alternator was not charging the battery quick enough. The fan that cools the radiator is no longer on any sort of sensor. The guy I bought it from said that when you are parked you have to flip an aftermarket switch and let the fan run nonstop if you're running the generator. I will tackle that issue soon. So, I bypassed what I'm going to call the voltage regulator ( I know I'm probably wrong). Once I did that the alternator charged the battery quickly. Attached is the photo of what I bypassed.

Different question: what temperature should the fan come on and go off at. I'm looking at a sensor that measures the temperature of the coolant through the radiator hose. Thanks in advance.
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Old 05-16-2022, 06:37 PM   #2
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Join Date: Mar 2019
Location: Braidwood Il.
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That looks like a thermal self resetting fuse dipped in plastadip.
You should be able to to get all the info and parts breakdown, even repair and diognostic manuals . You use the extra letters for your model generator, because they carried same names and wattage but the series will get you the proper one made in certain years.
95 Monaco Crown Royale
M11 400hp, 4060 trans.
Aquahot, Generac Guardian7.5k
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