GeoffSchultz wrote in
oups.com:

but I've had lots of single unit failures, and
I've even had one time when both units were down.

See? We told ya not to switch the battery switch with the alternators
running....(c;

Larry
--
While in Mexico, I didn't have to press 1 for Spanish.
While in Iran, I didn't have to press 1 for Farsi, either!
It just isn't fair.