Possible Carter pump failure?

[mudski]

Dumb question. Should I be getting a closed circuit from the +ive terminal on the pump to the body of the car when everything is switched off?
IMG_3934.jpg

Still trying to find the cause of my oil pressure switched coming on dim. As the pump only runs when the oil pressure light goes off I.e creating a closed earth circuit to which the pumps neg is connected too...

Thanks.


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[Winnie]

Yes that circuit should be closed but there should be no voltage through it.

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[mudski]

Cheers mate. Thought so. Just having a brain fade moment trying to sort this gremlin out.