Blinking exterior home lighting is driving me crazy?

November 29, 2009 by homelighting · 2 Comments
Filed under: Maintenance & Repairs 
home lighting
salsa_usa asked:


I have three light on my rear garage that blink like they are on some sort of timer. They go on for about 10 sec and then off for 10, never varies. There is apparently no switch for these lights either. I’m going to install a switch, but I would first like to know what is causing them to flash. I have access to the rear of the lights, but don’t see anything that might be the cause. I’ve changed out the bulbs. From what I can see by tracing the wires in the attic, there is nothing there either.
They are coach lights. I’ve looked at them pretty close and I do not believe they are triggered by motion or dusk/dawn, but since there seems not to be a switch that would make sense. I have put in standard incandesent 40W and 18W compact flouesents bulbs and they both turn off and on the same way. The garage has its own breaker box, and they still do this even with everything turned off. They three light turn off and on together. Thanks for all your suggestions.
Great! I found the sensor. It was located near an eave on the back of the garage, and I can hear it cycling. Adjusting it didn’t do anything, but I’m going to swap in a new one and see if that does the trick.

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