So I'm looking at getting an 02 wrx wagon. This car is sick, the only problem is that the owner says the lights on the gauge cluster sporatically go off. He thinks it should be a simple fix and that it might be a loose connection somewhere that occured when he put the sound system in. Does this sound like an easy fix? (fuse maybe) or should I be worried about a more major problem with the electrical system. I've read about similar problems that led to more electronics failing. What do u think? Should I be weary?