After 2 mos of poking around and determining that your car is horribly mis-wired and is in no condition to work properly as it is,
As well as your controller is most likely suspect/damaged from being submitted to being brutally bypassed, You are STILL stuck on this?
Other topic/threads
Aug 25 → [2002 gem cart will not run]
Oct 3 → [2002 gem cart ride for fun motor]
I really am not sure what you are trying to prove by doing this.
But OK.
Connect +12v to both A1 and F1
Connect -12v to both A2 and F2
-or-
Connect A1 to F1 with a short cable.
Apply +12v to A2
Apply -12v to F2
Prepare for sparks and violence.