How do you lash up TMCC locomotives?
Sir,
What are the # units you have and I will write you what you need.
#90 and #18
Page 22 of the TMCC Manual explains it in great detail. The Complet Guide to TMCC manual plus dozens of other Lionel operating manuals can be found at:
http://www.lionel.com/CustomerService/OwnerManuals/index.cfm
The manuals are in pdf format and are free.