RV Wiring Issues.

Im getting power everywhere but my front fuse box. Stumped for now maybe I can find help on YouTube somewhere. The MMC is fighting me every step of the way but it will only teach me patients. I can only stand or sit for shot spurts before the stinging in my legs & feet lay me down. My favorite channel on you tube is cheeprvliving I been watch Bob for years and hoping some day I will get my 94 Winnebago to nomad country.