@stan2004 posted:So if going the DIY route, when you get the parts, if it seems too daunting a task, I will replace them for you. All I'd ask is you pay for shipping. My understanding is this remote-control lockon is no longer available (at least the MTH site availability page suggests that). So if this is what's stopping your from enjoying your trains at age 92 (wow!) I might be able to help...
Classy offer Stan.