The original full size EVGlobal (Iacocca) Ebikes with Heinzmann rear hub motor, manuals and diagrams are over at yahoo groups power assist. (electrical interconnect diagrams are on the last pages) you will need to have a login.
you may move them here to E-S if someone wants to do it. ~2MB files each.
24 volt full size EVGlobal manuals
36V Evglobal manual and Prints
http://f1.grp.yahoofs.com/v1/cCy-Sj-DBk ... 24V_SM.pdf
http://f1.grp.yahoofs.com/v1/cCy-SihHNC ... 36V_SM.pdf