88 coupe from computer car to 83 motor carb

heres my project wich i may have gotteni n deeper than i thought i would have. im going from a 88 computer car wich i removed the computer and all the wiring except for what isnt directly hooked to the computer and injectors. problem is i dont know what wires in the 2 eight pin connectors do what and same with the 83 harness. im new to the rewiring stuff and have no idea where to start when it comes to the regulator, the ignition the distributor all the important things. any help at all would be greatly appreciated i want to hit the track at least once this year:SNSign:
 
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