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How to Fix a Dusk to Dawn Light Fixture

   
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How to Check the Security Light Fixture TEST Setting Functions and Replacing a Motion Detector Head on a Dusk to Dawn Fixture


What To Do If  Your Dusk To Dawn Fixture is Erratic

Electrical Question: My dusk to dawn light has become erratic, coming on at dusk, staying on a while, going out, coming back on for a few minutes, going out, coming on for a while, going out. The security light fixture has worked perfectly for several years – what do I change – bulb, sensor or the whole light?

Thanks

This electrical question came from: Rick who is a Handyman.

Dave’s Reply:
Thanks for your electrical question Rick.

How to Replace or Repair Motion Security Light Fixtures

Application: Dusk to Dawn Light Fixture Wiring.
Skill Level: Beginner to Intermediate.
Tools Required: Basic Hand Tools and Safe Ladder.
Estimated Time: Depends on personal experience, the light fixture and access to the light fixture.
Precaution: Identify the light fixture circuit, turn it OFF and Tag it with a Note before working with the wiring.
Notice: Replacement parts for the security light fixture should be compatible with the type of fixture that has been installed.

Security Light Fixture TEST Setting Functions

  • Rick, first of all make sure that the motion detector head is not switched into the TEST setting.
  • The TEST setting will over-ride the photo cell and will cause the fixture to trigger the lights to come on when any movement is sensed at any time.

Replacing a Motion Detector Head on a Dusk to Dawn Fixture

  • If necessary the motion detector head may be purchased to replace the defective motion detector head.
  • You will notice that there are a variety of sensing capabilities available, and the more sensitive the head the higher the price.
  • You may also want to compare the price of the motion detector head all by itself compared to a whole new light fixture.

Dusk to Dawn Lighting and Motion Detector Wiring
motion-fixture

Installing Motion Detector and Security Light Fixtures

Installing motion detector lighting fixtures provide security and energy savings and they can easily replace an existing exterior wall fixture.


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Comments

2 Responses to “How to Fix a Dusk to Dawn Light Fixture”
  1. Susan Davis says:

    I have a dust to dawn light that quit working. I replaced the light bulb twice and the sensor on top has power coming into all the areas but the light still will not work. Is there anything else I should replace?

    • Dave Rongey says:

      Hi Susan,
      Make sure you are testing the dusk to dawn light fixture with the switches in the “TEST” position if you are working with the fixture in the day time. This will over ride the photocell and allow you to test the motion sensor directly. Typically the black wire of the motion detector head is connected to the incoming circuit power which is usually black, and the red wire of the motion detector is connected to the wires leading to the lamp holders, and then the white wires are all spliced together. Sometimes the motion detector head can go bad and quit working, especially if moisture gets inside the unit. In that case the motion detector head will need to be replaced with a new one, which is available from most hardware stores.
      Make sure the circuit power is off before checking any wiring connections.
      I hope this sheds some light on this,
      Dave

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