I own a 2002 Mustang GT. For a couple months now (2-3?), my battery light has been coming on. I have checked the battery charge and the alternator output and they both seem to be working as they should be. I've been told that it could possible be a short in one of the numerous electronics of the car, which would be turning the battery light on. Is this true, and how could I check for which one it is? What else could be my problem?