how do i make efi work on my 318?

i have a 86 dodge van, it has a 318 w/ the factory 2bbl carb that is computer controlled. I would like to use the efi throttle body, that came into use in 88. i can see the ecm is different in 88 from the one on my van. does anybody know if i can wire the throttle body to work with my ecm?