Next message: Larry H: "Re: T&T: 24V starter, 12V house bank - Ugh!"
For years the larger diesel trucks have used 24 volts for starting the
engine but ran all lights and accessories from 12 volts. This is
accomplished via a solenoid system that connects two 12 volt batteries
in series when the starter is energized and at the same time drops all
12 volt loads off circuit. Once the starter is de-energized everything
runs on 12 volts including the charging system. The ones that I am
familiar with are a block with the required terminals sticking out of it
for the battery and load connections and is about 6 inches or less
square. This would allow you, if you are stuck with it, to use the 24
volt starter and make no other changes or purchases.
I am sure that any decent sized truck parts shop could set you up with
the parts required plus directions on connecting it up, and like I said,
this system has been in use for years in these units so its definitely
reliable and does not involve a whole lot of wiring and controllers. You
are correct - 24 volts will give more mussel to the starting and that's
why the trucks use it.
John Tones "Penta"
Sidney, BC
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