Richard,
On a 1600 the temp wire is on the driver's side, which should leave only 2
wires coming through the firewall on the passenger's side, unless the car
has an electric oil pressure gauge, which I don't think it does. Your list
should be correct for a 2L though.
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 Tue, 8 Oct 2002, reblues wrote:
> Joe,
> I believe the 4 wires coming out are
>
> 1. Water temp sending unit.
> 2. To resistor block
> 3. Bypass resistor block on start.
> 4. Coil to distributor.
>
> If you have power to the ignition switch then you should be able to test
> as follows.
>
> One wire should be hot anytime the ignition is on. This should be the
> one to the resistor block.
> One should be hot only when the ignition switch is moved to start. This
> should be the resistor bypass straight to the coil.
> If neither of these wires is connected to the resistor or coil then you
> should be able to test for the water temp wire by grounding the other two
> one at a time. If your temp gauge is working, when you ground its wire the
> gauge should move.
> By elimination the last one should go to the distributor.
>
> Richard
> ----- Original Message -----
> From: "Joe Rubio" <joe@venuesports.com>
> To: <datsun-roadsters@autox.team.net>
> Sent: Monday, October 07, 2002 6:03 PM
> Subject: 1970 electrical help
>
>
> > 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
> >
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