Re: Alternator help needed

[farna@xxxxxxx]

An alternator has to have some battery voltage going to it to excite the field before it will charge. A standard Delco alternator can be made into a one-wire by simply attaching the field wire to the battery cable stud on the back of the alternator. The other wire in the two prong connector is for the alternator light on the dash. 

You're going to have to study the original Motorola wiring diagram and one for the Motorcraft external regualtor. You may have to move some wires around and/or leave some disconnected. Some of the wires aren't used when you switch from a generator to an alternator. 


On May 18, 2005 Harold Losey wrote:

> I have switched all my AMCs over to Delco type/single wire altenators and have had no problems for years.
> Hal
> On May 18, 2004 Nelson Miller wrote:
> 
> > The charging system for my '75 Gremlin X is refusing to work.  I replaced
> > the alternator with a motorcraft 60A from a '76 Wagonneer last year when I
> > swapped in the 304.   I worked then, but was not compatible with the
> > motorola voltage regulator that was in with my old 343 so the system was not
> > regulated.  Anyway, when I took out the car this spring the alternator was
> > not charging at all so I suspected it was no good.  I brought it in to the
> > parts store to get tested and to my amazement, it passed.  I then bought a
> > Ford-style regulator for the Motorcraft alternator, hooked it up and still
> > no charging although I didn't exactly know what I was doing wiring it up.  I
> > took off all the electrical tape and checked the wires, they're all good and
> > the engine to body ground is good.  Does anyone know what could be causing
> > my system not to charge?  Also does anyone have a wiring diagram for a '76
> > Wagoneer charging system, it all seems pretty straight forward (field to
> > field, stator to stator etc) except which wire ties into the I terminal
> > (Ignition?) on the regulator?
> >
> > Thanks,
> > Nelson Miller
> > Winnipeg MB, Canada
> > '75 Gremlin X
> > '57 Chev 210
> >
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