1993 Subaru Legacy dashboard warning lights

I have a similar problem with my 1996 Outback. In addition if I leave my car sit unused for a week, there is a good chance it won't start. I just removed the alarm system, but the warning light issue continues. I am also getting 14.2v when running, but am not convinced the alternator is really charging the battery since recently after leaving it a week I drove 45 miutes, then the next day had it start then fail while driving. I had to run the car with a jump battery connected to get home. I may change my alternator/voltage regulator this weekend. If you've gotten a resolution, I'd love to hear about it.