in redoing the wiring harness on a friends 1970 hg kingswood that used to have a 400 chev in it but now a six the wiring is all screwed up need to find a full layout for the wiring, if anyone could help in info that would lead me to it that would be greatly appreciated

Buy a cheap manual off ebay maybe
Check a few Holden forums...

Is it a V8 harness or a butchered 6 one??

yeah its a butchered 6 one got a few other full harnesses laying around so we r looking at redoing the whole thing thanks for the tip.