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Discussion Starter · #1 ·
Got my '81 446 running, but the charging system isn't working. Tests show that my voltage regulator is bad - AC in but no DC out. I've seen a bunch of John Deere Onan regulators on eBay and wondered if anyone has tried one of these. They're much cheaper than many other Onan regulators.

Bob in Nashville
 

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Regulators are pretty much universal however some are designed to be mounted in places where they get strong air flow to keep them cool. Others have cooling fins on them for this purpose. If a Deere regulator has two input wires and one output wire, then I see no reason why it cannot be used. Most of the charging systems used on GT's are in the 15 to 20 amp range. Most of the regulators require a solid ground connection to their outer metal shell. Are you certain that your regulator is properly grounded to the frame and that the frame is properly grounded to the battery negative? Just asking. :thumbsup:
 

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My experience with a non-Onan regulator from Stens was not good. It failed within 1 month. Replacment with the Onan part, while a little more expensive, has served me well for the last 5 years.

Paul
 
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