Cars & Trucks - Page 4 - Recent Questions, Troubleshooting & Support
How do I find the fuse for my brake light
If the brake lights coming on is intermittent, sometimes works and sometimes doesn't, it would not be the fuse. Fuses either supply power to a device or when they blow, they don't.
In your scenario the most likely reason would be a failing brake light switch. The other possibility is the ground connection by the rear lights, but if the tail lights and reversing lights work when the brake light doesn't work, then you can discount that.
https://www.google.com/search?q=2006+Ford+Fusion+brake+light+switch
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