Quote:
Originally Posted by monte5211
I tested between (A1) m- and b+ at full pedal in reverse and in forward and I get about 7 volts each time, and the tires barely go half an inch (jacked up off ground). Then I start smelling some hot elecronics coming from the area of the DCS. I just hate buying a new DCS and ruining it to if something else is the issue. Wiring all seems to be decent. No breaks rust corrosion etc.
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The Curtis 1206SX (DCX) was a flawed controller since it has no under-voltage protection and more or less self destructs when operated with deeply discharged battery pack.
When it gives up the ghost, replace it with an Alltrax DCX300 or DCX400 controller. The DCX300 is a direct replacement and a DCX400 will give you more low end torque, both are Plug-n-Play replacements.
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You might have a motor problem (bad brushes?).