Mark van der Hoek wrote:
> Dan Zubkoff wrote:
>
> > The speedometer,
> > tachometer are missing the cables. The owner said the temp/fuel gauges
> > work...but they didn't appear to be working. The car has been converted to
> > Positive ground. The radio is original but doesn't work.
>
> <snip>
> > Also the car's heater is currently inoperable.
> >
>
> Some or all of these problems MIGHT be caused by a botched positive
> to negative ground conversion. IF that is the case, the radio is
> history, as are the guages and maybe the speedo/tach. "Why?", you
> ask? Get the wires crossed and you can have current flow through the
> tach/speedo cables, looking for ground. Heat 'em up, melt 'em down,
> throw 'em out! The owner may not even realize why they aren't
> working. The radidio is especially likely to have been smoked. To
> convert the ground and still use the original electronics you must
> completely isolate the instrument (whether radio, gauge, or
> whatever)from the car chassis.
<snip>
> Caveat Emptor
>
> Mark van der Hoek
Reverse polorizing the gauges on a 3 seater 1500 won't effect the gauges at all.
Everything is resistive, even the clock.
It would let the smoke out of the radio and charging circuit. The heater motor
might spin backwards. Note: stock 1500's
are positive ground.
Tim C.
2 '64 Fairladys
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