Couple of questions about input /output

[Tabasco69]

I read through the universal installation manual, this system can inject w/e mixture based soley upon sampling a injector wire? it does not also require a map sample?
I 'am using non stock fuel injectors, semiens deka high impedence 60lb/600cc, I a'm also using a AEM fic in tandom with the oe ecm to intercept and re scale pw of the injectors during closed and open loop, as implied the ecm out going signals are filtered and skewed via the FIC, question is where do I connect the hfs3 sample wire to, pre interceptor or post interceptor injector wire, thanks!