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How to Change a Turn Indicator Bulb on a Toyota 4Runner

by Steve Bradley

A Toyota 4Runner is a rugged truck that can battle rain, mud and snow. However, any vehicle is only as strong as its weakest part, and something as simple as a light bulb could have a huge impact on your safety. Turn indicator lights are some of the most important lights on a vehicle. Without them accidents are much more likely as the automobile behind you will not realize you are about to make a turn. Luckily replacing a broken turn-signal bulb is an easy do-it-yourself job.


Locate the access point for the turn indicator bulb. Depending on the year of your Toyota 4Runner this could be in one of two places: on the outside, where you would remove the plastic lens, or on the inside, under the hood or inside the trunk. Look for a few small Phillips-head screws as these will indicate the access point.


Remove the screws that hold on the plastic lens with a Phillips-head screwdriver, if there is outside access. For interior access there will be a protective cover that needs to be removed. Turn the tab and remove the cover.


Turn the old bulb in a counterclockwise motion to remove it. Use old bulb as a model to purchase a replacement for your local auto parts store. You can also check your owners manual for your Toyota 4Runner for the proper bulb-style number.


Inspect the inside of the light socket. If it is dirty or you see corrosion use a small wire brush to gently scrub out the socket. A piece of 150-grit sandpaper will also work.


Insert the new bulb and turn it clockwise to secure. Test the bulb before replacing the cover or lens.


Re-attach the protective cover or plastic lens and tighten the screws.

Items you will need

About the Author

Steve Bradley is an educator and writer with more than 12 years of experience in both fields. He maintains a career as an English teacher, also owning and operating a resume-writing business. Bradley has experience in retail, fashion, marketing, management and fitness. He holds a Bachelor of Arts in English and classics.

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