HI joe. Thanks for the speedy response. In ans to your question. I don't believe I did any wire rearranging to the two 3 way switches in the original wiring. If I did, I don't know; but, I can say that after the two new illuminated decora 3 way switches were installed, they and the one original toggle 4 way switch all worked properly. Only after replacing the old 4 way toggle switch did I begin to have the problem. Neither of the original two 3 way switches were illuminated switches, nor was the one original 4 way illuminated.