"ray lunder" wrote in message
...
The AmplePower people agitate for strict prohibition on this saying it
will smoke the diodes in your alternator. Is this true? What are you
supposed to do? Start the boat with the starting battery, let it run
for 10 minutes, turn the engine off and start it again with the house
batteries and charge them under way? What say all of you?

How about starting with the switch on "Both," then switching to the house
bank when you shut the motor off?