Reply to "ERR "upgrade" questions"

You could also use a rectifier or diodes to run it FWD (or rev) only if you wanted to.

You just need to turn the ac to dc to get motion only; a couple of bucks and you'd know if the motor was still good (general purpose diodes or a bridge rectifier, 6a or larger, dirt cheap)

A 9v battery could likely test the motor if there was no weight on the weels.

3/19/191:35 AM

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