the pointy end is the bow
Join Date: Aug 2006
Location: La Conner, Washington
Thanked 26 Times in 26 Posts
Rep Power: 10
On the Catalina 34 International Association Website there are some nice write ups on Electrical upgrades including information on a 100 amp Alternator that will bolt right right on your engine with a single belt pulley. The alternator was built by a small outfit in either Minnesota or Wisconsin and cost about $120. Search for key words "Blue Circle" to find one of the discussions. Along with your higher capacity alternator, you'll want to buy a fancy three stage smart regulator. The regulator alone is an improvement over the stock dumb regulator in your current alternator.
1983 Fraser 41
La Conner, WA
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Boating for over 25 years, some of them successfully.