I bet that small electrical harness you tried to put on the alt is really
for the starter motor. 70s had a 4 wire starter harness just like an
alternator harness.
Earlier cars excluding late 69s all used 3 wire starter harnesses.
Mike
----- Original Message -----
From: "Joe Rubio" <joe@venuesports.com>
To: "Patrick J. Horne" <horne@cs.utexas.edu>
Cc: <datsun-roadsters@autox.team.net>
Sent: Tuesday, October 08, 2002 10:53 AM
Subject: Re: 1970 electrical help
> Pat,
>
> We've installed a new engine harness already. This is the one that takes
> care of the lights and ends near the front of the car. The other wires
> coming out of the fire wall, those are the ones I'm lost on. For
> instance, the ones you mention that are exensive and part of the dash
> harness, what specifically do they go to? I have a new harness for the
> alternator but the plug ins don't fit either the car so I'm thinking
> maybe either the cars plugs aren't right or the harness is incorrect or
> I'm mistaken thinking that the plugs from the car are not at all for the
> alternator and are for something entirely different. See the thing is,
> the harnesses I'm buying for a 1970 1600 are not working out, they do
> not jive with what's in the car. If I can see an actual 1970 1600 or
> 2000, then it's easy, I can get a visual. Then it's mearly a matter of
> chopping off the connector that doesn't fit and reconfigure that. The
> wires in the car have no color on them so I cannot trace them back.
> It's a cluster **** in there.
>
> So I know basically what I need, it's just the dots are not lining up at
> all. Maybe a brief description of the fire wall and what harnesses
> originate from and go to would be very helpful start.
>
> Thanks.
>
> Joe
>
> "Patrick J. Horne" wrote:
> >
> > Joe,
> >
> > Installing a new/used but good engine harness may be your best bet. I
> > deleted the email from someone else that sugested this, but they are
> > correct. If you consider the value of your time in this it would be a
lot
> > cheaper to buy as much of the harness as you can, then patch the
> > remainder. Recall that the wires that come out of the right side ofthe
> > firewall are part of the dash harness. Replacing these few wires will be
> > expensive, since there are only 4 or so to deal with and it would
probably
> > cost more in time to replace the dash harness than it would to figure
out
> > those 4 or so wires and repair them.
> >
> > 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 Mon, 7 Oct 2002, Joe Rubio wrote:
> >
> > > Folks,
> > >
> > > My buddy and I have hit our heads against a wall. We are trying to
> > > finish up my 1970 1600 with a 2000 engine. The problem is as follows,
> > > he nor I have a frame of reference for knowing how to hook up the
coil,
> > > the alternator and the starter. This comes from the fact that the
> > > previous owner had a tractor engine in the car and redid all the
wiring,
> > > so we have no idea what goes where because the car didn;t have
anything
> > > but an empty engine compartment when we got it. Everything just is a
> > > mess and doesn't make any sense. Add to that the fact that different
> > > Datsuns Roadsters have different set-ups meaning we cannot look at
> > > photos on the net and get a clear idea of what goes where. We are
> > > stuck. We can probably redo the whole thing from the wiring diagram,
> > > but we like to avoid having to do that. What we ideally need is
someone
> > > who knows the electrical set up on a 1970 1600/2000 SU car who can
> > > assist us. As I see it, the engine compartment has 3 basic harnesses,
> > > one for the lights, etc in the front of the engine compartment (we
have
> > > a new one of those) and then 2 additional ones. Is there anyone in San
> > > Luis Obispo who knows 2000's well enough that can tell us exactly what
> > > goes where by taking a look at my screwed up electrical situation in
> > > person and advising us a course of action? If there is someone in the
> > > East Bay Area in Fremont, Walnut Creek, Danville or even San Jose who
> > > can help, that would be great too. My buddy is up there next week for
> > > business and can stop by to take some digital photos of your car and
> > > chat. See he's the brains of the opperation, but he's a muscle
car/Saab
> > > guy, not really a Datsun Roadster guy so he's lost, which means I'm
> > > lost.
> > >
> > > I know I've made this request before, but we thought we could figure
it
> > > out on our own. Turns out, we can't. The bummer is we have all the
> > > mechanical in, ready to go. New brakes, new rebuilt engine, rebuilt
> > > carbs, rebuilt starter, new batter tray, cables and battery. New
> > > clutch, cleaned out gas tank, new hoses throughout. New tires on the
> > > way, Miata seats getting ready to come in from Florida. The thing is
> > > ready to roll, but we need spark. Can anyone help us out?
> > >
> > > Let me know. Appreciate any input you guys can offer. We're going to
> > > get this damn thing to Solvang this year of it kills us. It looks
like
> > > it just might.
> > >
> > > Joe
> > >
> > > /// 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
>
> /// 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
/// datsun-roadsters@autox.team.net mailing list
/// Archives at http://www.team.net/archive
|