I just purchased an older model Minn Kota powerdrive, 3hp, bow mount electric trolling motor that is in good condition, but the speed control slide (0-10) on the foot control is broken off. I spoke with the service department at Minn Kota and they indicated that at one time they carried the replacement slide, but they no longer carry this part. Does anyone know were I might be able to find a new or used replacement slide? Thanks for the help!