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  1. Bench-test 736 engine electric motor?

    O Scale
    I want to find out why my Lionel 736 engine wheels weren't turning. I have dismantled the 736 engine and the wheels turn by hand easily now. The electric motor worm gear also turns when I grab it with a pair of pliers. I want to bench-test the electric motor but I am not sure how to do it. I...