If you wanted to retain the original alternator you can replace the diodes.
If they are the type that press into a common strap, you can swap the
positive cased and negative cased diodes to reverse the output.
Best regards,
Fred Schroeder
Denison, TX
SRL311-13359
TDROC
Reg e-mail sitsinwest@texoma.net
Home page http://home.texoma.net/~sitsinwest
----- Original Message -----
From: "Mark Dent" <mark@dealermats.com>
To: "Patrick J. Horne" <horne@cs.utexas.edu>; "Fred Schroeder"
<roadster2@texoma.net>
Cc: "Dan Zubkoff" <datsun65@hotmail.com>; <Daniel@nowroc.com>;
<datsun-roadsters@autox.team.net>
Sent: Friday, October 04, 2002 5:22 PM
Subject: Re: 64 vs. 66
> Actually they use a + ground alternator, not generator (64 and 65). The
> only things you have to do to convert a 1500 to neg. ground is put on a
late
> model alt, flip the battery cables and flip the coil wires. Unhook the
> radio, but all of the other gauges work fine( no battery gauge, just a
> light). I switched my 64 while the alt was getting rebuilt, and swapped
it
> back when I got it back.
>
>
> Mark
> Baltimore MD U.S.A.
> 63 & 64 1500's 68 1600
> www.datsunroadsters.com
> www.roadster.org
> ----- Original Message -----
> From: "Patrick J. Horne" <horne@cs.utexas.edu>
> To: "Fred Schroeder" <roadster2@texoma.net>
> Cc: "Dan Zubkoff" <datsun65@hotmail.com>; <Daniel@nowroc.com>;
> <datsun-roadsters@autox.team.net>
> Sent: Friday, October 04, 2002 6:00 PM
> Subject: Re: 64 vs. 66
>
>
> > Yup, unless you want to maintain the generator instead of converting.
Hmm,
> > you should be able to replarize the generator and turn the batter around
> > and get a negative ground system, shoudn't you? The ammeter would also
> > have to be reversed. Any idea on the other instruments?
> >
> > Anyone tried repolarizing a generator like this?
> >
> > Peace,
> > Pat
> >
> >
> > - Support Habitat for Humanity, A "hand up", not a "hand out" -
> >
> > Pat Horne, Network Manager, Shop Supervisor/Future planner, CS Dept,
> > University of Texas, 1 University Station C0500,Austin, Tx. 78712-1188
USA
> > voice (512)471-9730, fax (512)471-8885, horne@cs.utexas.edu
> >
> > On Fri, 4 Oct 2002, Fred Schroeder wrote:
> >
> > > It's a lot easier to convert the car to negative ground then you won't
> have
> > > to worry about it.
> > >
> > > Best regards,
> > >
> > > Fred Schroeder
> > > Denison, TX
> > > SRL311-13359
> > > TDROC
> > > Reg e-mail sitsinwest@texoma.net
> > > Home page http://home.texoma.net/~sitsinwest
> > > ----- Original Message -----
> > > From: "Patrick J. Horne" <horne@cs.utexas.edu>
> > > To: "Dan Zubkoff" <datsun65@hotmail.com>
> > > Cc: <Daniel@nowroc.com>; <datsun-roadsters@autox.team.net>
> > > Sent: Friday, October 04, 2002 12:48 PM
> > > Subject: Re: 64 vs. 66
> > >
> > >
> > > > Positive ground radios shouldn't be a big problem, at least they
> weren't
> > > > several years ago. When most cars went to 12V negative ground there
> were
> > > > still plenty of cars with 6V negative ground and 12V positive ground
> > > > around There was an adapter (DC to DC converter) that could be set
to
> > > > convert either 6V negative ground or 12V positive ground to 12V
> negative
> > > > ground. I haven't looked for one of these in many years, but there
> should
> > > > be a source for them. With this converter installed you can install
> any
> > > > 12V negative ground accessory you like!
> > > >
> > > > Peace,
> > > > Pat
> > > >
> > > > - Support Habitat for Humanity, A "hand up", not a "hand out" -
> > > >
> > > > Pat Horne, Network Manager, Shop Supervisor/Future planner, CS Dept,
> > > > University of Texas, 1 University Station C0500,Austin, Tx.
78712-1188
> USA
> > > > voice (512)471-9730, fax (512)471-8885, horne@cs.utexas.edu
> > > >
> > > > On Fri, 4 Oct 2002, Dan Zubkoff wrote:
> > > >
> > > > > Hi Daniel,
> > > > >
> > > > > I have both a 64 and a 66....
> > > > >
> > > > > The 64 has drum brakes all the way around and uses 6 wheel
cylibders
> (4
> > > > > front & two back)and a different brake master and hoses than the
66.
> The
> > > > > master is NLA, but there is another unit (I think from a 411) that
> will
> > > work
> > > > > instead. The brake parts are hard to come by...
> > > > >
> > > > > The rear end has a lower gear ratio than the 66. Also, the 64 is a
> > > positive
> > > > > ground car and the 66 is negative ground. Good luck in trying to
> find a
> > > > > replacement positive ground radio!!! Also, the 64 uses 13 inch
rims,
> not
> > > 14
> > > > > inch like the later cars.
> > > > >
> > > > > Also, the top of the windshield frame and the soft top frame are
> > > different.
> > > > > The front bow on the top frame is made of wood!
> > > > >
> > > > > In general, parts are harder to come by for the 1500s, but the
early
> > > cars
> > > > > are just a blast to drive & own!
> > > > >
> > > > > Dan Zubkoff
> > > > > San Mateo, CA
> > > > > 1964 SPL310 1500
> > > > > 1966 CSP311 Silvia
> > > > > 1966 SPL311 1600
> > > > >
> > > > >
> > > > > >From: "Daniel Beatty" <Daniel@nowroc.com>
> > > > > >Reply-To: "Daniel Beatty" <Daniel@nowroc.com>
> > > > > >To: "Roadsters" <datsun-roadsters@autox.team.net>
> > > > > >Subject: 64 vs. 66
> > > > > >Date: Fri, 4 Oct 2002 00:50:49 -0700
> > > > > >
> > > > > >G'day,
> > > > > >
> > > > > >
> > > > > >
> > > > > >I sent this to the list today, but it never appeared so I will
try
> > > > > >again.
> > > > > >
> > > > > >
> > > > > >
> > > > > >What are the differences between the 64 and the 66 other than
> engine
> > > > > >size, exterior and interior? I thought that there were
differences
> in
> > > > > >the chassis and some other bits. Are there special things that I
> > > should
> > > > > >look for in a 64 that I am thinking of buying? Are all parts as
> > > readily
> > > > > >available as the later model Roadsters?
> > > > > >
> > > > > >
> > > > > >
> > > > > >Anyone on the list have a 64??
> > > > > >
> > > > > >
> > > > > >
> > > > > >Cheers,
> > > > > >
> > > > > >Daniel Beatty
> > > > > >
> > > > > >RHD 65.5 1600
> > > > > >
> > > > > >/// datsun-roadsters@autox.team.net mailing list
> > > > > >/// Send admin requests to majordomo@autox.team.net or go to
> > > > > >/// http://www.team.net/cgi-bin/majorcool
> > > > > >/// Archives at http://www.team.net/archive
> > > > > >/// Send list postings to datsun-roadsters@autox.team.net
> > > > >
> > > > >
> > > > >
> > > > >
> > > > > _________________________________________________________________
> > > > >
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> > > >
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> >
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