@Johnbeere posted:You could potentially wire the two engines together by hooking the motors in the dummy to the E-unit of the lead locomotive...
This would work with a three wire tether. Lionel has stated that the E-Units will handle 4 motors.
@WT.Co. posted:...the 'Dummy' unit had had two motors installed years ago, (before) I got them...
It's possible that a battery leak ruined powered frame was replaced with a salvaged dummy frame. There are a lot of parts in the power trucks that would have to be sourced for a dummy conversion.