Two girls that I know have told me of a problem with their power locking system on their 2000/1 Mercury Cougar's. The power locks will not work on either side for one girl but if she opens it with a key, the car is fine. I replaced the fuse and it blew immediately, so I'm thinking its either a short, a bad motor, or a bad relay. The second girl is having pretty much the same problem, power locks dont work and alarm light is always on. Fuse blows instantly. Has anyone else had this same problem on the car? I did some googling but didn't come up with much. I'd like to help, but I am in school 11 hours away so the main thing I can do really is research.