Pat,
With ignition switch in running position
Yellow wire to chassis is 7.6 volts, same as to black wire
Yellow wire to ground, no gauge deflection
Thanks
- Bob
> On May 9, 2020, at 13:19, Pat Horne <patintexas@icloud.com> wrote:
>
> Hook everything back up except the sender. Turn on the key & measure for
> voltage @ the sender wires to ground. One should show voltage & the other
> should be grounded. (Not home now to get colors) ground the one with voltage.
> If the gauge still sits on empty you have a bad gauge. If there is no voltage
> it could be a bad connection or a bad gauge. Let me know what yâ??all find &
> Iâ??ll walk you through more diagnostics.
>
> Peace,
> Pat
>
>
> Pat Horne
> We support Habitat for Humanity
>
>
>> On May 9, 2020, at 11:02 AM, RWM via Datsun-roadsters
>> <datsun-roadsters@autox.team.net> wrote:
>>
>
> This has been discussed before, but here are the indications:
>
> Fuel gauge does not budge off empty
>
> Fuel sender resistance shows 34 ohms as installed, with tank less than half
> full
>
> Fuel sender resistance when removed varies fairly linearly from 47 ohms
> (bottom) to near zero ohms (near top), then open circuit when the arm forces
> the wiper off the rheostat windings
>
> Fuel harness is delivering 7.6 volts, measured with the yellow and black
> connectors removed
>
> Shorting the fuel harness to itself (yellow to black) does not change the
> fuel gauge indication
>
> Ammeter works, temperature gauge works
>
> Ideas? Dash harness connector?
>
> Thanks.
>
> - Bob Mann, '68 2000 Solex
>
>
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