any help please

[Mad Racer]

I had the Motor dresser in the mid 80,s and was usefull back than.

It really only tells you amps and revs but thr rev counter was hard to really get a accurate reading as the revs increase it gets harder to read. You have a sliding control knob that feeds more power in the motor than which is like a rehostat than a bypass switc on the bottom for max amps from the battery.

If you don't have the little magnetic hall sensor that attaches to the shaft of the motor it will be usless. I blew mine up when i put on a 11X4 on it.

Hope this helps.
Mark