boat wiring

Volts, Watts, Amps, and Ohms: 12-Volt Terms for New Boaters

Fuses are rated for a certain maximum amperage flow, above which they will 'blow,' interrupting the circuit. Amp ratings are shown on the fuses above. Circuit breakers work the same way but 'trip' when they're overloaded.

If you’re new to boats, or even if you’ve been around them for a while but have been avoiding the electrical bits, sooner or later you’re going to … [Read more...]

Boat Wiring: Use Good Terminals and Tools

This ratcheting crimper places a precise amount of pressure on the crimp fitting while also making two crimps—one on the wire and one on the wire jacket—at the same time. Photo by Gary Reich.

Maybe you’ve seen this at your marina or boatyard before: an able-bodied weekend warrior hanging upside down in a bilge or wet locker mumbling obscenities … [Read more...]

Boat Buyers: Beware of Auto Parts

Any original or replacement alternator for a marine engine is required to have ignition protection.

As I mentioned a while ago in this blog, I used to be an auto parts parts guy. I worked in a parts store and a GM dealership, and I can’t even remember … [Read more...]


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