Before I put this on

[Eman]

There's plenty written by the manufacturers of these oil cans to find out how to install it. Think about how it works and where the oil will go if there is no oil pressure, keep in mind oil will take the path of least resistance.
Usually the electric controlled valve will be wired to an oil pressure switch so it opens when oil pressure drops. The electric valve are usually 1 way check valves so the in is always open and the out is controlled by the switch.