You might be better off posting your question on the Classic Toy Trains Forum: http://www.trains.com/trccs/forums/95/ShowForum.aspx
You might get a faster response if you title your subject "Need Help With Lionel Engine Wiring".
Jay
C-415 Build: https://imageshack.com/a/tShC/1
Other builds: https://imageshack.com/my/albums
This site is great. It has scanned in service manuals for tons of Lionel stuff, most probably including your engine:
http://pictures.olsenstoy.com/searchcd1.htm
Jim