Finished putting my xr2 turbo together the other day, and amazingly it started first time

It would start first time every time, tick over as if the cold start was working and then when the revs dropped from that, they seemed to slowly drop until it stalled, however i hadnt ran it for more than a minute and it only had a downpipe on so i wasnt too worried.
My mate suggested it may be stalling due to the cold start valve so we disconnected all the plugs to the back of the inlet and checked them with a multimeter, all seemed ok so we plugged them back in and.............nothing

wouldnt even fire.
Tried it again this morning and it was firing, firing, firing but just wouldnt go. now its back to nothing again.
I found this morning that the 10amp fuse between the ignition live and the ke relay was gone, changed it but still nothing. Theres a good spark, timing is all spot on and fuel seems fine too.
I dont understand all we did was remove all the inlet plugs and check them put them back on and now nothing
Are rs turbos easily flooded?
Help please !!