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Showing posts from September, 2019

Electrical refit - Part 1

The electrical system on the boat was in a very sad condition and needed a refit. As it's often the case on older boats, the previous owners just added new stuff without really improving the system or thinking it through. Worst of all, they didn't used marine grade materials or did the installation right either. They just applied quick fixes and left it that way. We were planning to rewire the boat completely during this fall, but as it turned out, it couldn't wait. When I started the engine before heading out for a one week sail, the battery warning light came up. According to the manual the light might indicate incorrect voltage from the generator. When I checked it with a multi-meter, it was very high indeed, well over 15V, so it was overcharging the batteries, which carries the risk of gas leakage or explosion. So we decided to investigate it further and delay our departure for vacation. After disconnecting the house bank, the alternator output normalized, so we conc