How to Fix a Burned-Out Signal Bulb

Avoid a fix-it ticket or a trip to the auto-repair shop by doing this simple repair yourself. It is often no more difficult than changing a lightbulb at home.

Things You'll Need

  • New Bulb
  • Rag
  • Phillips Screwdriver Or Socket And Ratchet
  • Wire Brush Or Sandpaper
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Instructions

    • 1

      Determine whether you access the bulb from the outside (by removing the plastic light cover) or from inside the trunk or under the hood.

    • 2

      If the bulb is accessed from the outside, remove the screws that secure the light cover. Usually this will only require a Phillips screwdriver. On some cars, you may need a socket and ratchet.

    • 3

      If the bulb is accessed from inside the trunk or under the hood, there will probably be a plastic protective cover. Twist the knob or tab on the cover to loosen it.

    • 4

      Remove the burned-out bulb by pushing it in and turning counterclockwise.

    • 5

      Take the bulb to an auto-parts store to get the right replacement.

    • 6

      Clean the inside of the bulb socket if it is dirty with a wire brush, or a small piece of sandpaper, and a rag.

    • 7

      Screw in the new bulb by pushing it in and turning clockwise.

    • 8

      Test the bulb (turn on the device) before replacing the light cover.

    • 9

      Replace the light cover and tighten the screws.

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