Since its happening in two separate systems with one common part. I would check the water in your batteries first. Low voltage causes high amperage which in turn blows fuses. You also should do some lubrication maintenance to the slides and leveling system.
2004 Ford F250 Super Duty 6.0 Diesel, Bilstein 4600 Shocks, 16K B&W Patriot, Michelin M&S
2014 Augusta Flex AF34RS Trailair Tri Glide pinbox,
JT Strong Arms , Bridgestone R250'S, KYB Monotube Gas shocks
Finally a smooth ride !!!