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Old 09-30-2013, 03:48 PM
bochnak bochnak is offline
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Join Date: Sep 2013
Boat: 94' Prostar 205 - Indmar 5.7 TBI
Location: Mount Prospect,IL
Posts: 529
Originally Posted by Double D View Post
I'm still running the 51A alternate and do have accessories (Neons, Amps, etc.) and two batteries. I recently had the alternator rebuilt but I still feel I am not getting the juice I need to power the stuff and keep the batteries charged. Especially when I'm running at night and the perfect pass keeps resetting unless I give it a little gas...
Take a multimeter and measure voltage at your power distribution point.

Also, these 1 wire alternators are pretty "dumb" and don't put out that much at idle. By dumb I mean no voltage sensing to know to output more when demand is high:

More reading on alternators with voltage sensing:


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