Please know I will not do anything without getting an electrician, but this situation is so bizarre that if I can do some investigation and perhaps find what this went to, I can focus the effort and we can get to the bottom of it. Otherwise I fear I will spend over $1000 and he won't be able to figure out what it's doing. Our attic is VERY tight and it's almost impossible to crawl around in. I've had electricians and others refuse to do it! If I bring in an electrician now, I fear after much expense, he'll just say to disconnect it all and we'll never know.