
Originally Posted by
exboyracer 
Yeah the black cable is +12v feed, the body of the pump is earth.
If you're using the proper mounting kit with the little black 'bobbin' mounts you'll need to run a wire from the pump body to earth as the mounts insulate it.
You should run the pump from an igntion switched and fused feed, preferably with some sort of cut-out so the the pump will shut off in the event of a crash. You could get one of these from a scrappy for not much money from an old Granada or Sierra.
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