Door locks and windows on 2001 Jeep Cherokee

My Jeep Cherokee is 2001 model. About two years ago both back windows quit working; won't roll up or down. Could this be a fuse problem?

This year my door locks work sometimes and sometimes they won't work either manually or with the keyless entry devise. I can sort of "reset" by using the keyless entry to lock and then sometimes the doors will unlock. Could this be a fuse or something else?

Asked by for the 2001 Jeep Cherokee
For the rear windows, did you check the child protection safety switch?
As for the door locks, if they work, intermittently, it may be the harness which goes from the drivers door and into the body. I have fixed lots of these on Jeeps. A fuse would not be intermittent.