I am sure there are a few of you out there doing something wiring right now.
I was asked what to do with a one wire alternator and the main disconnect.
Well simple quick answer was wire it straight to the battery.When the
disconnect was pulled the engine is stop and the alternator output is zero.
After that quick answer I made the mistake of thinking. That one single
LARGE wire will still be a source of voltage with a very high current
capable of generating lots of nice sparkly things! In my mind its still a
source for problems even with the disconnect pulled. No you can not isolate
it by disconnecting the negative side as well, you will destroy the
alternator and possibly some other electronic goodies. Easiest way around
this dilemma, mount some sort of circuit protection at the battery junction
for the alternator. Checked with Waytek and they have HI-AMP fuses and fuse
holders that will handle the chore with no problem for less than 20 bucks.
Using a HI-AMP circuit breaker would not be a good choice as it would only
protect if the alternator was not running due to the design of circuit
breakers. The fuse would protect 100% of the time. So if something was to
cut or tear the alternator wire the fuse would prevent certain disaster. Oh
one more thing too, mount the main disconnect as close as possible to the
battery. Its problem is worse than the alternator. Just my thoughts maybe
someone has a better idea or think I might be making more out of it than it
is.
Bill
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