car wont start...need help

im just now finishing my engine build so now im tryin to get it started
the previous owner of the car had it carburated so he ripped out the wiring harness so when i got it i put a computer and wiring harness back in and i went to try and start it and my fuel pump wouldnt turn and i had no spark so i hot wired my fuel pump to a switch real fast just to see if it would start and i put my msd 6al box and msd distributor in....
so now i finally have fuel pressure and spark but my injectors are not working

any idea what the problem is? lol i think maybe the computer or something is not grounded out :shrug:
 
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