Hi David,
Sounds suspiciously like the fuel sender unit is frozen in space! Typically
they can be removed and gently worked loose, if indeed thi is the case. You
can then measure the resistance in ohms. look at Gerards site for more info
on the values.
Yes, you can adjust the guage, but this is REALLY touchy. The wires in it
are about the thickness of a bald guys hair and are very easily broken.
That and the placement of the tiny magnets are best left to the pro's. I've
always used Foreign Speedo in San Diego for that adjustment. I send the
guage and the sender and get it back properly calibrated. I just give them
money and it's done right the first time!
Later, Paul A
----- Original Message -----
From <SDOliner at aol.com>
To: <spridgets@autox.team.net>
Sent: Monday, August 18, 2003 4:58 AM
Subject: Fuel gauge and tach problems
> Fuel gauge:
>
> I am trying to sort how to test the fuel gauge in my Bugeye. This is one
of
> those simple, non voltage stabilized systems.
>
> I have a collection of fuel gauges, none of which seem to work. Yesterday,
I
> filled the car, drove it for three hours, and then added 4.5 gallons of
gas.
> All the while the fuel gauge stayed at half a tank. This is really dicey,
since
> my odometer isn't working either. Although I just swapped in another
speedo,
> and will see if that one works better.
>
> I started swapping the other fuel gauges, and now with an almost full
tank,
> got reading ranging from a quarter tank to empty.
>
> I am getting 12 volts across the gauge.
>
> What does this gauge actually measure? Volts, amps?
>
> Is there any adjustment on the fuel gauge?
>
> Is there some test I can perform at the dash, before messing around at the
> sending unit?
>
> Tach:
>
> Electronic tach not working either. I have two smaller ones, but when I
run
> test wires one side to the ignition the other to the negative prong on the
> coil, I don't get anything. Car is negative ground. Am I doing something
wrong
> here, or do I have a very large collection of non working stuff?
>
> Which way are these tacks supposed to be hooked up? Namely where do the
wires
> from the bullet connect and the prong connect go. Can't tell from wiring
> diagrams.
>
> Will there be a way to swap the face and calibrate the tach?
>
> David Oliner
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