My very first Engine purchase was a MTH RailKing RS3 (PS2). Love it but it recently stopped running. Replaced the battery but no go. So what do I do? Nothing and keep it on a shelf? Upgrade the board? (But kits aren't in stock) Find a RS3 with a working PS2 and switch it out? Find a RS3 with a PS3 board and switch it out? IDK. I like to see it run again.
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