Jack up and block both front wheels in case there are other problems. Then jumper screw terminal 2 to 3 on EV-100 card to bypass brake switches. Contactors should now operate if problem is in brake switches. Try turning the steering tiller all the way both ways to check contactor and motor for each side and in forward and reverse
This is ONLY to be used to report flooding, spam, advertising and problematic (harassing, abusive or crude) posts.