HELP!! 89 B2600i no injector pulse

First time Poster I need your guys help pöz my b2600i won't start first was not getting spark so replaced the coil and New distributor still no spark replaced ecm with rebuilt one have spark now. But still would not start checked compression its good fuel pressure is good getting 12 volts at injectors but no triggern signal does it come from distributor or ecm does anyone have wiring Diagramm? Any help would be great! Thanks