Help with stock EFI

I just pulled a 360 magnum out of a half ton truck today to put in my son’s 67 Dart and I would like to use the stock EFI for now. I pulled the computer and I have the wiring harness all the way to the fuse box. Do I need the fuse box and more of the wiring including the OBD II port? Any advice, pictures, diagrams, links, etc would be greatly appreciated. I’ve got 2 months to get the motor, an A518 tranny, complete disc brake suspension, and 8.8 Ford rearend with disc brakes installed and working before my son’s graduation. No problem, right? Lol