SoCal Jet Boats
Tech Talk => Engine Mechanical / Electrical => Topic started by: honda-rider14 on March 25, 2017, 03:38:58 PM
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Hey guys quick question hopefully i can find a proper replacement.
Alternator took a dump on the boat last season so took it apart to see what i had and replace with a newer better one.
Its off a 1994 hardin marine 454.
Original alternator is Prestolite 8em2002fa
37amp
12vn
Only wires connected are positive output and i noticed it also uses an exciter wire.
Which is what is confusing me everything new i can find has more amperage but cant find any with an exciter wire terminal.
Most say single wire alternator. Is the exciter wire needed or can it be bypassed or not used with the newer self exciting alternators?
Just looking for a suggested replacement hopefully that will work.
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I've used everything from the prestolite to gm one wire. Just recently used a Deniso alternator for a Ford 460. But it all depends on what you run as far as dual batteries and stereo.
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Just went threw the same situation as you I went to riverside starter and alternator and had him build me a 160 amp single wire and just taped off the exciter wire works great
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