The foam rubber gasket around the brake light can dry crack and consequently fail causing water to enter the top of the cab.
2004 f150 third brake light leak.
When you turn it around you ll see your old gasket.
The foam gasket seal can become deteriorated or pulled away resulting in water leaking into the cab through the hole in the cab for the third brake light.
In my case this moldy nasty 8 year old gasket is the cause of my brake light leak.
Partsam high mount stop light third brake light replacement for f150 2004 to 2008 3rd brake light rear cab roof center mount brake tail cargo lights lamp waterproof smoke lens black housing 1 plug 4 1 out of 5 stars 153.
The brake light removed old gasket visible.
And end with a.
I like the factory look of the light assembly.
Many ford trucks suffer from an unfortunate problem of leaking rainwater through the third brake light above the rear windshield.
Unscrew the two mounting screws visible on the front of the old brake light.
This product features as a replacement and upgrade for the old third brake light seal gasket made of thicker and firmer foam prevent water from leaking in effectivly also more durable than the old one ideal solutionn for the annoying water leak problem.
2004 ford f 150 third brake light customer reviews.
Once you do this it ll pull right out.
Check fuses in both fuse panels then check brake light switch third brake light works off of brake switch too but diferent wire.
The third brake light has a foam gasket seal that sits between the brake light fixture and the back of the truck cab.