The gauge operates on changes in resistance, NOT voltage! Run 12v to
the + side and then ground the sending unit side, it should move the
needle exactly opposite of where it was (I can't remember wether 0
resistance means full or empty)
Lester
On Mar 7, 2007, at 5:09 PM, Jack Laird wrote:
> For a Bugeye, is there someplace on the web that discusses how to
> repair or
> test them? I seem to remember something but can not put my finger
> on it.
>
> If I put 9 volts or 13 volts across the guage I get about 1/8 needle,
> strange.
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