Hello, I am building a layout for a friend, and he's having an issue with a little MTH trolley, where it sometimes won't reverse properly when hitting the bumper, rather getting stuck in a neutral state. I took the body off, and noticed that one of the bumpers (left) seems to have two detents in the switch inside, but the other bumper (right) has one. The video shows what I mean better. The trolley route includes a curve on a hill, so more speed isn't the fix. Any ideas?
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