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I have the traditional two light at the left and at the right of my garage door. The are on the same circuit with the porch light that has a PIR sensor (turns on when move is detected).

So it is power source-->switch--Porch light--first light--second light

In the evening when we turn these lights on from inside the first light is flashing like those on the police cars :-), it keeps doing that for a while (can't say how long, it is not a regular interval) and then it stops flashing and it is solid on. Sometimes the same light turn off and stays like that

What could be the reason for this?

  • 2
    Does this answer your question? What could cause flashing LED lights when other LED lights in a different room are turned on? If not, many such questions have been posted. Short answer, try different bulbs or devices. – isherwood Feb 16 at 15:45
  • Yes it points me to a possible smoking gun. I do have a chandelier which might be on the same circuit that has 9 of those spiral bulbs ..these are on a different switch but yes different bulbs (the outside ones are LED) . What does not make sense is why the other LED bulb is not flashing – MiniMe Feb 16 at 15:49
  • It's the nature of the beast. I have two identical motion/light-sensing fixtures with two identical LEDs on the front of my garage. One blinks all day if the switch is on. One doesn't. – isherwood Feb 16 at 16:01
  • Are there any smart switches, lighted switches, dimmers, anything like that in line? Is the PIR wired so the garage door lights come on when the PIR senses motion? – Harper - Reinstate Monica Feb 16 at 16:49
  • no sensors, old school lighting. The only new era thing there is the PIR sensor No the PIR sensor turns on the porch light only. The garage lights used to have a senor but it is gone on both.. they are in parallel with the porch light bulb – MiniMe Feb 16 at 16:53

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