1994 Jetta Electrical Help Plz!

So... last night my car decided to go crazy. When i started the car, the annoying seat belt noise wouldn't stop. When i took the key out and opened my door the alarm went off. So after disarming that (a few times) i tried starting it again and it was fine. This morning i had the same problem, seat belt noise stays on and alarm goes off when i get out of the car!? I have had prior electrical problems like the rear drivers window rolling down on it's own when i lock the car, and the drivers side rear window button on the dash doesn't work. So if anyone had any ideas whats wrong would be great, this is frustrating! Thanks.

Start by checking the wiring between the car and the door by opening the door and pulling back the black rubber boot that covers the wires. Repeated opening/closing of the door causes these wires to crack. May not fix your problem, but a place to start.

Thanks alot, i'll give it a shot.