no spark after changing northstar engines swap on 1996 Cadillac Seville

No spark I've changed motors the car ran for two days now it won't start I've changed crank position censor, cam censor, ignition mod . Still know spark checked all grounds 5times.??

Asked by for the 1996 Cadillac Seville
my suggeation is to stop throwing parts at it and take it to someone who will properly diag and repair the car.

1 more answer
Bad PCM need to replace it with an new one