Why Your Ford Focus Windows Aren’t Working – Simple Fuse Fix!
Last Updated on April 25, 2025 by Nick
Is your Ford Focus power window not working? Before heading to the mechanic, try this quick DIY fix. In this guide, we’ll walk you through how to locate and replace the power window fuse on the 2012–2018 Ford Focus (MK3) and the 2019–2021 Ford Focus (MK4).
Replacing a fuse is easy, affordable, and might be all you need to get your windows moving again.
Table of Contents
- Symptoms of a Blown Power Window Fuse
- Tools You’ll Need
- 2012–2018 Ford Focus (MK3) Power Window Fuse Location
- Fuse Information:
- How to Replace:
- 2019–2021 Ford Focus (MK4) Power Window Fuse Location
- Engine Bay Fuse Box
- Steps to Replace:
- Interior Fuse Box (Glovebox Area)
- Fuse Details:
- How to Replace:
- Final Test and Troubleshooting
- Conclusion
- Need More Help?
Symptoms of a Blown Power Window Fuse
- Power windows won’t respond
- Only some windows work
- Mirror switches not functioning (MK4)
- No sound or motor movement from the window switch
Tools You’ll Need
- Fuse puller or needle-nose pliers
- Replacement fuses (20A, 25A, or 30A J-case depending on model)
- Owner’s manual (optional but helpful)
2012–2018 Ford Focus (MK3) Power Window Fuse Location
The fuse box for the MK3 Ford Focus is located under the hood on the driver’s side.
Fuse Information:
- Front Power Window Fuse: Slot F46 – 25A J-case fuse
- Rear Power Window Fuse: Slot F14 – 25A J-case fuse
How to Replace:
- Open the hood and locate the fuse box on the driver’s side.
- Remove the fuse box cover.
- Find the correct fuse and pull it out.
- Check if the metal strip inside is broken or burnt.
- Insert a new fuse with the same amperage.
2019–2021 Ford Focus (MK4) Power Window Fuse Location
In the MK4 Ford Focus, fuses are split between the engine bay fuse box and the interior fuse box.
Engine Bay Fuse Box
Power Window & Moonroof Fuse: Fuse 55 – 20A J-case
Steps to Replace:
- Open the hood and access the engine bay fuse box.
- Locate Fuse 55.
- If the fuse is blown, replace it with a 20A J-case fuse.
- Turn the ignition to accessory mode and test the windows.
Interior Fuse Box (Glovebox Area)
Located beneath the glovebox in the footwell area. Remove the cover panel to access the fuses.
Fuse Details:
- Left 30A Fuse: Controls the front left power window + left mirror switch
- Right 30A Fuse: Controls the front right power window + right mirror switch
How to Replace:
- Kneel down and look beneath the glovebox.
- Remove the cover panel to expose the fuse box.
- Identify the two green 30A fuses.
- Replace the blown fuse(s) with new 30A fuses.
- Turn on the ignition and test all windows and mirror switches.
Final Test and Troubleshooting
After replacing the fuses:
- Turn the key to accessory mode
- Try each window switch
- If the problem persists, further diagnostics may be needed (like checking switches, relays, or motors)
Conclusion
Replacing the power window fuse on a Ford Focus is a quick and cost-effective fix that anyone can do. Whether you drive a 2012–2018 MK3 or a 2019–2021 MK4, this guide covers everything you need to know to get your power windows working again.
Need More Help?
Check out our YouTube video tutorial for a visual step-by-step guide.
Have a question or another Ford Focus issue you’d like us to cover? Leave a comment below!
About The Author
Nick
Hi! Greetings, I'm Nick, an automotive technician and a vehicle enthusiast with over a decade of experience working at a dealer service station. I have extensive knowledge of engine oils and lubricants and have helped countless customers maintain their vehicles. As an editor and author of articles on automobiles, I draw on my personal experience and professional training to provide readers with accurate and reliable information. I am passionate about sharing my expertise with others and helping them make informed decisions about their vehicles.