Any tips, recommendations, advice on how to install DCC control and sound in a HO scale Fairbanks Morse H16-44 Diesel Locomotive. I am going to do this install eventually,  but doing research as to how to do it, best method, and tools or parts needed.  Some have said DCC is a pain in the a-- to install in this model, others have said that it is a simple task.  What is Bachmann's recommendations.