always you change the FW/RW contactors
check it the coils voltage!!!!!
the right voltage for the coils in all ev systems is 24, if you put another voltage, maybe don't work.
if this not the problem, check the microswitchs in, brake, parking brake, FW/RW selector lever, and the accelerator.... but, may be if you check what voltage missing (-) or (+) putting voltage direct in the coil at the same time you select one or another direction.
best regards
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