[Roadsters] Gauge Failure

[ljordan704 at netscape.net]

 Maybe if the wire comes loose on the temp sender and lands on the exhaust
manifold it is going to read hot. The VR grounds on the steering column so
that has to be clean, along with the contacts. New ones are pricey but I
believe a 510 one works just mounts slightly different.
Linda








-----Original Message-----
From: Keith Downing <keithddowning at yahoo.com>
To: Gary and Cindy Ault <aultgc at att.net>; Datsun-Roadsters at Autox. Team.Net
<datsun-roadsters at autox.team.net>
Sent: Mon, Nov 1, 2010 10:13 pm
Subject: Re: [Roadsters] Gauge Failure


I just read this blurb from the 311s.org site PMWIKI Tech Section
General Electrical Troubleshooting:

"Gauges
If both your fuel gauge and temp
gauge are not working or moving very slowly,
the voltage regulator may be
suspect. This small unit is bolted under the dash,
just above the steering
column. Make sure the connections are clean before
replacing the unit. "
________________________________
From: Gary and Cindy Ault <aultgc at att.net>
To: "Datsun-Roadsters at Autox. Team. Net" <datsun-roadsters at autox.team.net>
Sent: Mon, November 1, 2010 7:21:29 PM
Subject: [Roadsters] Gauge Failure

On
a recent trip, my '67-1/2 2000 was running well when I noticed the
temperature
gauge was pegged high.  When I determined that the car was not
actually
overheating, I noticed the the fuel gauge had gone away low.  This
car has
consistently run cool even in nearly 100 degree temperatures on I5 in
downtown
LA, so I wasn't too worried.

I know these two gauges are fed through the
gauge voltage regulator, but if
the voltage regulator fails, does the fuel
gauge go low and the temperature
gauge go high?  This may be a moot point,
because during a brief inspection
under the dash at the next town, I couldn't
find the gauge voltage regulator.
I sure isn't where it is supposed to be, and
there is some contraption with a
number of wires running in and out, wrapped
in electrical tape, which isn't on
any roadster wiring diagram I have ever
seen.

I know I am in for some quality time with the dash wiring, on my back
with the
seats removed, but I wondered if the one-high, one-low response is
normal.
The rest of the electrical system seems to work OK, so it may come
down to
biting the bullet and rewiring the two gauges.  Appreciate any
intellignece
the List can offer.

Gary
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