It's hard to say. 15 year old unused electronics can experience spontaneous corrosion. It could be anything or nothing as you don't have a proper amp to plug into. Is there a guitar store nearby where you can test it with a proper amp? How about a friend?
When you say that it takes two AA batteries, are the batteries inserted into a holder where the end pin resides? Or is there a large box on top of the guitar where the batteries are inserted?
__________________
Assuming is not knowing. Knowing is NOT the same as understanding. There is a difference between compassion and wisdom, however compassion cannot supplant wisdom, and wisdom can not occur without understanding. facts don't care about your feelings and FEELINGS ALONE MAKE FOR TERRIBLE, often irreversible DECISIONS 
|