alternator issue

[sgajan]

help me understand this please. My alternator went bad on my 1988 3.0 omc motor. Ok so i found a aftermarket alternator that fits from a gm motor car. Now when i try to turn the engine off on my boat it wont shut off. Like the ignition key is bad or something. BUT it isnt bad it works fine. I ran it through tests and it all checks out. Is there something in the old marine alternator that shuts the engine down when the key is turned off?

 

[rbh]

Re: alternator issue

Diode?

 

[JustJason]

Re: alternator issue

Diode?

Yep


Aside from that I hope you didn't put a car alternator in a boat. Bad bad bad

 

[proshadetree]

Re: alternator issue

Dont think Id want a non sealed automotive alt on my boat anyway.

 

[fat fanny]

Re: alternator issue

Take the old alternator to a electric motor shop and have it rebuilt for a fraction of the cost of a replacement. Just like JJ said do not put an automotive alternator in that boat or the next sound you could be hearing is BOOM!!!!!!!!!!!!!!!!!!!!!!!!!!

 

[Hansolo99]

Re: alternator issue

Take the old alternator to a electric motor shop and have it rebuilt for a fraction of the cost of a replacement. Just like JJ said do not put an automotive alternator in that boat or the next sound you could be hearing is BOOM!!!!!!!!!!!!!!!!!!!!!!!!!!

BOOM is BAD THING! NEVER use a car Alt!

 

[xxxflhrci]

Re: alternator issue

My alternator housing cracked the summer before last. I bought a new one from these guys for about 100 bucks. They will rebuild your's if you want to go that route.

http://www.db-starter-alternator.com/Alternators/Marine/

 

[180shabah]

Re: alternator issue

alternator that fits from a gm motor car

DO NOT put that boat back in the water until you get the proper marine alternator installed. Safety is no place to get cheap.