Burned out Palazzo living room lights
Getting our 2013 Thor Palazzo ready for an upcoming trip. Last week all the lights were working normally, but this week all seven ceiling lights in the living room are burned out. No visible breaks in the filaments (G4 two-pin halogen bulbs), but they don't light when I touch the pins to the terminals on a 9V battery.
What could have caused this simultaneous failure? All other 12V lights and fans are working properly.
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