I don't know about the gas gauge, but I do know that if you ground the lead
to the temperature sending unit, the temp gauge will go to max. That,
incidentally, is a quick way to see if the temp gauge is working or if the
problem is with the sender or its ground.
Gordon Glasgow
Renton, WA
> -----Original Message-----
> From: owner-datsun-roadsters@autox.team.net
> [mailto:owner-datsun-roadsters@autox.team.net]On Behalf Of limprod
> Sent: Sunday, November 06, 2005 6:45 AM
> To: 'Eric Hankinson'; datsun-roadsters@autox.team.net
> Subject: RE: Fuel Gauge / Sender
>
>
> 0Y (empty) - 100 ohms (full) - backwards from most others?
>
> Can someone verify this?
>
> I know the resistance range is correct, but much like the specs I
> see from other
> senders manufacturers, I did not note which is empty/full. (I'm
> thinking it was
> reverse)
>
> On that note the consortium said that under dash voltage
> regulator output will
> vary in order to compensate the gauges' variations to air temps. I do not
> remember reading how much it varies exactly, but it seems to
> center around 7
> DCV. Maybe a quick voltage poll of Roadster owners in the
> Arizona heat and
> Roadsters half buried in snow can be done. =)
>
>
> > I have a Jaz fuel cell in my car. The fuel level sending unit that came
> > with the fuel cell is apparently wrongly matched for my stock
> Datsun fuel
> > gauge, as evidenced by the totally spurious readings. Jaz
> makes a bunch of
> > different senders: 70-10 ohm, 0-90 ohm, and 240-33 ohm. I looked on the
> > 1969 wiring diagram on 311s.org, but wasn't able to glean this
> info. Anyone
> > out there know what the stock fuel gauge is "ohm-wise'?
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