Quote:
Originally Posted by workingonit
[B]... I'll still have to determine what the single-bar and double-bar markings on the switch mean. ...
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FWIW, that same style switch is often used on 12v halogen desk lamps - single-bar puts 6v on lamp, double-bar puts 12v on lamp.
Single-bar is half-power/speed, double-bar is full power/speed. Usually...!
Of course, that makes no sense in this application, so it may be wired to give forward and reverse, as you suspect.
*edit* - one of the video reviews on the Amazon page where you purchased the controller shows the reverse operation.