Q: truck has no power to the inside the cab wont start on 2003 Ford F-350 Super Duty

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
batterys are fully charged ther is juice to the starter but no juice to inside of truck
(1) Answer
this vehicle has a cable that comes off driver side battery positive cable that powers the inside. make sure it clean and hooked up. if ok, possible fuse box.