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How Do I Wire My Motion Sensor Light?

July 7, 2006

Q: I’m trying to replace my old light with a 2 head flood light that has a motion sensor. I lost the directions and I’m not sure how to hook up the motion sensor. I have a black, red, white and green wire. I hooked up the white to white and green to the bare copper. What do I do with the black and red wires from the sensor?

A: Hook the red wire from the motion sensor to the black from the light. Hook the black wire from the motion sensor to the incoming black. Once you turn on the power, check it immediately. Most motion sensors have a photocell built into them and they won’t work during daylight hours. There should be a test button on the sensor to override the photocell and test the operation.

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Comments

8 Responses to “How Do I Wire My Motion Sensor Light?”

  1. Stephen Cucchiara on April 28th, 2007 10:41 am

    I’ve got 3 wires coming from a light sensor (red, black & white) and 2 wires + ground that come from my light. I know that I connect white-to-white and black-to-black, gnd-to-gnd; where does the red wire connect??

  2. kurtis on May 18th, 2007 6:09 am

    i have got 3 wires coming from a light sensor (red, brown & blue) can I connect to my florescent light and which wire is to be connnected to which?

  3. kurtis on May 18th, 2007 6:13 am

    Can light sensors be connected to any other type of except flood lights?

  4. james vida on November 2nd, 2008 2:22 pm

    I’ve got 3 wires coming from a light sensor (red, black & white) and 2 wires + ground that come from my light. I know that I connect white-to-white and black-to-black, gnd-to-gnd; where does the red wire connect??

  5. RONNY WELCH on November 19th, 2008 1:46 pm

    I HAVE A 2 BLUB SENSOR LIGHT THTA I WANT TO WIRE IT SO IT’S ON WHEN THE SWITCH IS ON AND OFF WHEN THE SWITCH ID DOWN AND WHEN THE SWITCH ISUP IT STAYS ON.

    THANKS, RONNYWELCH

  6. Jack Laponto on November 29th, 2008 6:46 pm

    I’ve got 3 wires coming from a light sensor (red, black & white) and 2 wires + ground that come from my light. I know that I connect white-to-white and black-to-black, gnd-to-gnd; where does the red wire connect??

  7. Brian on July 21st, 2011 8:19 pm

    I need your help….
    I’ve got 3 wires coming from a light sensor (red, black & white) and 2 wires + ground that come from my light. I know that I connect white-to-white and black-to-black, gnd-to-gnd; where does the red wire connect??

    Or is there a sensor I can use where the box just has two wires not counting ground

  8. Tom on December 3rd, 2011 6:38 pm

    Hello, I have the same question as Stephen Cucchiara on April 28th 2007 @ 10:41 am. I have 3 wires coming into my light switch box: White, Black, and Green. My motion switch has 4 wires to hook up: White, Black, Green, and Red? I have hooked all together that are the same color but I have a read wire left over that is labeled load to light and fan? Do I have the wrong motion sensor switch? Any help with this matter will be greatly appreciated. I thank you for your time and happy Holidays.

    Tom in N. Idaho

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