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What brake light bulb is in a Ford Fiesta?


When it comes to maintaining your Ford Fiesta, ensuring that your brake lights are functioning properly is crucial for both safety and legal compliance. One of the most common questions we get at Kevin's Autos is about the type of brake light bulb used in a Ford Fiesta. In this article, we’ll break down the specifics to help you replace your brake light bulb with ease.


Understanding the Brake Light Bulb in a Ford Fiesta


The Ford Fiesta, depending on its model year, typically uses a standard bulb for its brake lights. For most models manufactured in recent years, the brake light bulb is a P21W or 380 bulb. However, it’s always a good idea to double-check your vehicle’s manual or consult a professional to confirm the exact bulb type for your specific model and year.


Steps to Identify and Replace Your Brake Light Bulb


Replacing a brake light bulb in a Ford Fiesta is a straightforward process. Here’s how you can do it:



  • Step 1: Open the trunk and locate the brake light assembly. This is usually accessible from inside the trunk area.

  • Step 2: Remove the screws or clips holding the brake light assembly in place. Be careful not to lose any small parts.

  • Step 3: Gently pull out the assembly to access the bulb holder.

  • Step 4: Twist the bulb holder counterclockwise to remove it from the assembly.

  • Step 5: Take out the old bulb by pulling it straight out of the holder.

  • Step 6: Insert the new bulb (P21W or 380, as applicable) into the holder. Ensure it is securely in place.

  • Step 7: Reattach the bulb holder to the assembly and secure the assembly back into its original position.

  • Step 8: Test the brake lights to ensure the new bulb is functioning correctly.


Tips for Choosing the Right Replacement Bulb


When purchasing a replacement bulb, keep the following tips in mind:



  • Check your vehicle’s manual for the exact bulb specifications.

  • Consider upgrading to LED bulbs for longer lifespan and brighter illumination.

  • Purchase bulbs from a reputable brand to ensure quality and reliability.


When to Seek Professional Help


If you’re unsure about the type of bulb your Ford Fiesta requires or if you encounter any difficulties during the replacement process, don’t hesitate to seek professional assistance. At Kevin’s Autos, we’re here to help with all your car maintenance needs. Whether it’s replacing a brake light bulb or performing a full vehicle inspection, our experienced team has you covered.


Remember, functioning brake lights are essential for your safety on the road. Don’t delay replacing a faulty bulb—your safety and the safety of others depend on it!


Frequently Asked Questions

How do I know what tail light bulb I need?


Pull the old brake light bulb out (you may have to twist it slightly). Double-check that you have the correct fitting by comparing the old and new bulb. The fitting information should be etched onto the base of the bulb.



Which one is my brake light?


Cars built in recent years feature three brake lights — one on either side in the rear, both of which are implanted in the rear bumper, and a center light in the trunk or back window. Brake lights, of course, depend on a car's electrical system, which runs on a series of switches and fuses to protect circuits.



What bulb do I need for brake lights?


Brake lights are available as LED or halogen, usually in P21/5W and P21W fittings. Please check your vehicle handbook or use our Bulb Finder to find out which fitting your car needs - different vehicles use different fittings.



What brake light bulb is used for Ford Fiesta?


Bosch W16W (955) Pure Light Car Light Bulbs - 12 V 16 W W2,1x9,5d - 2 Bulbs.



Are brake light and tail light the same bulb?


Tail lights and brake lights are part of one assembly, and many vehicles use the same bulb for both. However, they don't serve the same purpose.



What is the brake system light on a Ford Fiesta?


Ford brake system warning light
If the ABS (Anti-lock Brake System) warning light is also illuminated, this signals that the braking system has malfunctioned and your brakes may not work properly. Pull over and stop as soon as it's safe to do so – keep your speed low and avoid braking suddenly.



Can I drive with brake system warning light?


BRAKE WARNING LIGHT = BRAKE SYSTEM PROBLEM
Any brake system problem has to be regarded as a major safety issue and your car should not be driven until the problem has been resolved by a mechanic.



Which bulb is which Ford Fiesta?


1958 – 2018 Ford Fiesta Bulb Size

Ford Fiesta1958-19642014-2019
Low Beam HeadlightH5006H11
High Beam HeadlightH5001H1
Front Fog Light/H11
Back Up Light1156T15



Can you drive with the brake light out?


Not having brake lights visible comes with penalties, as it's a safety concern. So if you're found to have a brake light out or if it's too dirty to be seen, you could be facing: A verbal warning given by police at the roadside.



Is 3157 a brake light bulb?


3157 Bulb: Operates at 12-14 volts and is available in dual-filament versions, making it suitable for combined brake light and parking light functionality.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.