Is there a polarity marking on the capacitor? If so, that would be your
best clue.
Chris K.
On Wed, 8 Feb 2006 10:37:31 -0500, Greg Higgins wrote
> I bought an N.O.S. S.U. fuel pump on e-bay, the pump has doesn't
> have any markings, either positive or negative ground.
>
> I took the plastic cap off that covers the points and found an orange
> capacitor inside.
>
> My car is positive ground, I don't want to fry the pump if it is a negative
> ground pump.
>
> Thanks for any info
>
> Greg Higgins
> 63 sprite
>
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