Please help. Dave. They worked last night. If not the GFCI still may have a problem – maybe. 2 wires on the side and one in the back.Any ideas?Perhaps I bought a faulty light switch. My husband and i are having a really difficult time trying to get the bathroom light and fan working. Is it because. How Can I Fix a Bathroom Light Fixture and Bath Exhaust Fan that Stopped Working? The illuminated mirror in my bathroom has stopped lighting but the incorporated shaver socket is working . Dave.