Walbro problems

[ScoupeS12]

The fuel pump died on my S12 about a week ago, and after a painfully long wait for one to arrive, it did..

Followed the fitting guide in the how to section, and everything went lovely, at.

Put it in, tested it by turning the key onto the second click and it whirred in the lovely way, then fired it up and it ran ok for about 30 seconds and I switched it off to clear tools and such alike away.

Then when I went to start it again it would fire up but only briefly and then die again. Did this about three times, and then decided I best have a look why.

Not the pump doesn't even whirr.

Does anybody have any good ideas why not?

The fuse is ok, and all of the connections seem fine, I just can't see whyit wouldn't work.