I purchased a Lionel MOPAC Heritage SD&0ACE with a road number of 1851. Consequently I also have a Lionel MKT UP Heritage SD70ACe with a road number 1870. While assigning ID numbers to both trains on my Legacy controller, I discovered a problem during the installation because both trains have "18" as their first two numbers. After a couple of reinstallments both trains were able to exist together on the controller however the MKT SD70 has a blinking light in the trains cabin which indicates the trains ID is different than the first two road numbers. Is there a way to stop the train from constantly blinking while its on the track? It's not a major problem but one that I'd like to get resolved and also help me learn more about the controller. Thanks members once again for your input - MARSHELANGELO