Gentlemen first time on the forum so i hope that i'm doing it right if not i hope that you will let me know. i have contacted a couple of train dealers about upgrading an old Williams Big boy with no sound, also a Lionel Rock island 5100 6-1801 with Mighty sound of steam, also Lionel 6-18002 Gray Hudson with Mighty sound, then one more UP Big boy early 6-28029 #4006 it has Tmcc Rail sounds 4.0 both dealers told me that i needed to get on this forum to get parts numbers or names of parts that i might need from ERR controls. I'm not new to train collecting have been doing it for about 40 years JUST NEW TO DOING THIS TYPE OF UPGRADING i'm trying to do this so that i can run with my Legacy system. Thank to all Ron
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