Re: IML: Alternator question

["Rob P" <fristpenny@xxxxxxxxxxx>]

Thanks Robert.  That's what I figured-that was at idle.  The alternator is a 
dual field from a 1974 318 without a/c.  I attached the batt wire to batt 
and made jumpers for the two field wires.  I don't know which one goes on 
which field terminal, but my understanding is that it shouldn't matter.  
There was on ground terminal on the '74 alt, so I hooked that wire up to the 
case.  I thought the problem would be that it didn't charge enough, not too 
much.  Could the pulley size be an issue?  I have to check, but I'm pretty 
sure they were the same size.  I'll do some more troubleshooting on Saturday 
in the daylight.

Rob

> From: "rob van der Es" <r.vdes@xxxxxxxxxxxxxxx>
> Reply-To: mailing-list@xxxxxxxxxxxxxxxx
> To: mailing-list@xxxxxxxxxxxxxxxx
> Subject: Re: IML: Alternator question
> Date: Fri, 18 Mar 2005 09:38:09 +0100 (CET)
>
> Well Rob,
>
> In my opinion 15.3-15.7 is way too much! Allthough you don't have an efi
> to worry about you might have an electronic ignition system that don't
> like that high voltage. Normal voltage should be approx. 14.4 V when
> engine is running and with DVM across the battery terminals.
>
> My first shot would be to check the internal voltage regulator in the
> alternator, maybe you can take the regulator from your previous alternator
> (that is if it fits ofcourse) and see what happens.
>
> Good luck,
>
> Robert
>
>
>
>
>
>
>
>
>
>
> > I just replaced the big alternator (117 amp) in my '83 with a smaller 
> old
> >  style one.  Why I had to is a long story, but hopefully will have a
> > happy ending.  The alternator I put on was from a car that has been
> > sitting unused for 20 years.  My plan was to fit the brackets and wiring
> > and then rebuild it with a 105 amp kit.  The car no longer has efi or 
> a/c,
> > so it shouldn't be a big deal.  How do you test the alternator?  DVM
> > across the battery terminals it reads about 15.3-15.7 volts.  Is that 
> good
> > or too much? I tried to read from the batt terminal and a ground, but
> > couldn't get a reading (it's cold and dark).  I'd like to know if it's
> > working or if I'm going to fry anything. What do I check?
> >
> > Thanks,
> > Rob
> >
> >
> >
> >
> >
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>
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