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Old 09-22-2010
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Sixpoint—

Unless you're dealing with a really old car, the principles of the way the electrical system works is basically the same. The one major difference is that you can't use the frame of the boat as a ground, which is done on a lot of cars, since the frame of a car is usually metal—where it isn't on a boat. The alternator, battery, etc., are all basically the same though.

The wiring on car has some of the same problems faced by that on a boat, in that it is a vehicle that can often be used in a hostile environment. So, the wiring is generally stranded, but on a boat you should be using tinned marine grade stranded wire. If you think a car isn't a hostile environment, think about how much salt and such ends up flying around a car in a New England winter....they generally don't skimp on the salt around here. Terminations should be crimped with adhesive-lined heat-shrink tubing over them.
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Telstar 28
New England

You know what the first rule of sailing is? ...Love. You can learn all the math in the 'verse, but you take
a boat to the sea you don't love, she'll shake you off just as sure as the turning of the worlds. Love keeps
her going when she oughta fall down, tells you she's hurting 'fore she keens. Makes her a home.

—Cpt. Mal Reynolds, Serenity (edited)

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