Any advice for students w/ motivation issues?

It's my final semester at the community college, and I'm still having issues with getting things in on time. For as long as I can remember, I could comprehend most classes and do well on tests, but can't for the life of me get outside of classroom assignments done. I've had very lenient professors that have been accommodating (As well as help from the campus disabilities' office) who would let me turn in work late. Unfortunately, I'm even late on the late work, and I feel absolutely awful about it for everyone involved. I run into this wall whenever I try to get something done. It's everything from it being hard to figure out the 'meta' stuff of an essay to simply making myself just do the paperwork. I genuinely enjoy learning the subjects and taking part in class and have been described as intelligent, so I don't think comprehension is the issue. I just hit a wall when trying to do work outside of class. The practical application ends up hitting me like a truck.

Any thoughts/suggestions are appreciated!