one of three things first check the fuse second check the bulbs and sockets and third make sure the brake switch above the pedal is properly mounted and operating also could be a corroded or broken connection
Did you check the switch on the brake pedal assembly?
Where is brake light fuse for 2004 Ford Explorer located
If the bulbs and fuses are fine, it must be your brake light switch attached to the arm on your brake pedal.
I was wondering is there a fuse diagram for the 2003 Ford Explorer XLT? What causes the left and right signal lights to not work on the 2003 Ford Explorer XLT? Can the side mirrors on the 2003 Ford Explorer XLT?
According to the 2003 Ford Explorer owners manual : ( DOT 3 brake fluid , meeting Ford specification ESA-M6C25-A )
where is the fuse box locations on a 1992 ford explorer?
is that even a full question?
3157
Could be bad brakelight switch or blown fuse
check brake light switch on brake pedal maybe getting bad
Tail lights and brake lights fuse.
Take it to someone who is ase certified