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Old 09-21-2021, 08:48 PM
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ndutton ndutton is offline
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I have a 105A Delco 10Si single wire alternator and have had it apart replacing the regulator (no reg failure, just taming down the output voltage) and adding an AC tap for the tachometer. There is no fuse or other overcurrent protection inside.

You do know:
  1. The alternator needs a battery connected to work.
  2. The alternator needs to spin up to roughly 1000 engine RPM (1700 alternator RPM approx.) to start producing. After it starts it will continue producing at lower RPM down to idle but it needs to be goosed to get it going.
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Neil
1977 Catalina 30
San Pedro, California
prior boats 1987 Westsail 32, 1970 Catalina 22
Had my hands in a few others
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