There you go Dale,
Saw this problem on a 337G a while ago and the alternators going off line was more that likely caused by FOD going thru the rear alternator, caused a short inside the alternator for a second but enough time to cause a Hi volts which took out both alternators.
The rear 35A circuit breaker had popped and the HI/LO sensor had been damaged.
The circuit breaker was restored and the alternators ran fine, but the DIS light was on all the time. The HI/LO sensor was replaced and the system check out ok.
BTW a search of the rear engine bay was done nothing found, a look at the alternator turned up the same.
Glad to hear everything ok
Pete Somers
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