my ecs27 had the far left contactor fuse (melt on) only way to stop was to unplug battery bought new contactor kit installed and it has all of the functions except forward and reverse when you turn key and release brake and enguage r or f it makes noise like it will move the minute you push accelerator it shuts off and sets code 16 once you reset up down and steering ok but it will not go f or r the code says overvoltage checked its perfect other option was card i had card rebuilt and programed same issues