I bought this peel and stick variety and it worked.
F150 third brake light leak fix.
Examine the foam rubber gasket where you saw bubbles and you may see why it was leaking.
The fix is simple and will only take about 20 minutes.
Start by removing the two screws holding the brake light to the cab.
Once you do this.
I didn t feel like.
The only part required is a replacement gasket.
A quick google search for ford third brake light leaking will reveal a variety of different fixes that other people have come up with.
Removing the brake light.
After trying 2 new 3rd brake lights i determined it was the seal on the window that was leaking.
Fixing an f 150 third brake light leak replacement gasket.
Lift the housing away and twist the light sockets out of the brake light housing.
Do not do this.