Motion Detector Light Instructions

Updated November 21, 2016

Motion detector lights are commonly used around the perimeter of a home, business, office and in areas where security lighting is desirable. Motion lights detect the movements of an individual through a motion sensor that is attached to a flood or similar type light. The sensor activates the light that can be programmed to remain on for different lengths of time. Adjusting a motion detector light typically requires only fine tuning to obtain the optimal adjustments.

Unscrew the light mount to remove the light from the wall and get access to the wiring. Make sure you turn off the power to this area of your home before doing this or anything else having to do with power.

Disconnect the old light from the wires. Make note of what coloured wires went to which wires on the light. It should be white to white, black to black, and other wire colour to other wire. The other wire is normally green, but can sometimes be uncoated copper wire.

Hold the motion sensor light up to the mount. Connect the wires. The neutral, or white, wires should be together, and the hot, or black, wires should be together. The remaining wire on the light should be attached to the remaining wire in the mount. Twist the wires together to connect them and place a wire screw onto the connection to secure the wires together.

Push the wires into the mount and place the motion sensor light up against the wall.

Put the screws in the screw holes and use a drill to tighten them down.

Turn the motion sensor to the location you want it to cover.

Aim the motion detector attached to the flood light in the general direction that motion should be detected. Position the detector so that it is horizontally level. Locate the adjustment controls for the motion detector. Look for three small adjustments controls that allow for fine tuning the sensor. Set the distance for the light trip as well as the length of time the light will stay on. Lights vary in how this is done, so read the instructions that came with the motion sensor.

Things You'll Need

  • Blade screwdriver
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About the Author

Keith Dooley has a degree in outdoor education and sports management. He has worked as an assistant athletic director, head coach and assistant coach in various sports including football, softball and golf. Dooley has worked for various websites in the past, contributing instructional articles on a wide variety of topics.