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Old 08-02-2021, 11:48 AM   #7
delco1946
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Join Date: Dec 2017
Location: Gladstone, OR
Posts: 145
Default Re: Generator light coming on

After pondering this and re-reading the shop manual, i think my problem might be simply that the voltage was adjusted (set lower) that is was supposed to be for the temp it was at the time (much cooler than it is now!). Thus with the bimetal switch acting normally, at the hotter temps with all the loads going, might be enough to prevent battery charging. The brighter light at highway speeds could simply be from the spark plugs sparking so much more frequently then at lower rpms (registers as extra load).

The bimetal switch seems pointless nowadays since batteries don't boil over (manuals description).
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