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Electrical Knowledge

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Shore Power History and the Three Pole "Breaker"

What is a Voltage Coil?

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Replacement Navigation Light Bulbs

One challenge we share with our customers is deciding which replacement part is correct in light of changes made at the factory. This is also true with changes made by . . .

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Engine Wiring Harness Upgrade for Diesel Engines

Boats built until 1988 used an ammeter on the engine instrument panel. Catalina Yachts subsequently replaced the ammeter with ...
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Solar Vent Fan; Installation and Battery Replacement

 The Day/Night PLUS is designed to fit directly to the deck or hatch surface of your boat. The vent unit mounts onto a base plate that must be installed correctly to insure ...