There is a 30 or 40 amp inline blade fuse for the landing gear. If you over extend/retract the landing gear you can blow this fuse (if you are lucky - otherwise the shear pin breaks). Do a Search on landing gear fuse and you will get lots of Posts. Here are two to get you started.
https://www.montanaowners.com/forums...ad.php?t=34096
https://www.montanaowners.com/forums...ad.php?t=83552
Oh, and Welcome To The MOC!