i have a 99 dodge half ton 4wd with a 5.2 ltr. engine i just done an engine swap and went to crank it and nothing i came down and pin pionted that the injectors had no fire to them neither was the plugs fireing hot i tested the coil inlet wire it only kept hot for about two seconds then lose power to it what do you think the problem is...

Optional Information:
1999 Dodge 1500 4wd 5.2ltr.

Already Tried:
couple of ohm test and so on