You should have a winder to bring the stabilizer jacks up manually. The fuse should be in the power distribution center.
As for the tv bracket, there isnít one. The sticker is there to show where Puma put appropriate structure to mount a television. From your description it appears that your unit was designed for a swing down type mount.
2019 Puma 255RKS 5th Wheel
2013 Ford F-150 w/ max tow