How to Change a Toyota Corolla Front Side Marker Lights

Written by leonardo r. grabkowski
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How to Change a Toyota Corolla Front Side Marker Lights
Typical side marker light--the Corolla's looks much different. (jacob-davies/

The side marker lights on the Toyota Corolla help provide additional visibility when you are driving, particularly when make changing lanes. Your side marker lights are set up to illuminate at the same time your blinker does. This allows drivers around you to know when you are changing lanes beside them. Changing the side marker light on your Corolla is simple and only takes a few minutes.

Skill level:
Moderately Easy

Things you need

  • Small Phillips head screwdriver
  • Sylvania bulb (3157A or equivalent)

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  1. 1

    Use the Phillips head screwdriver to remove the small screws mounting the front side marker light lens (one on each side).

  2. 2

    Grasp the lens, and then pull it towards the back of the vehicle and out to bring out the lens and bulb assembly.

  3. 3

    Depress the tabs on the outside of the wiring harness to remove the wiring harness. Twist the bulb and socket assembly counterclockwise to release it from the lens.

  4. 4

    Pull the side marker bulb out straight. Push down the new side marker bulb until it clips.

  5. 5

    Reattach the socket assembly and twist it clockwise to lock it. Reconnect the wiring harness.

  6. 6

    Test the bulb before mounting the lens and assembly back onto the vehicle. Turn the ignition on and activate the blinker on the appropriate side of the vehicle.

  7. 7

    Reattach the side marker assembly and replace the screws.

Tips and warnings

  • If your side marker does not work, it is likely you have a circuit or wiring problem. See your local Toyota dealer for assistance.
  • Make sure the bulb you purchase is compatible with the Corolla; if not, it may not work.

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