Jack if your sure all the fuse are okay then jumping the break light switch should at least allow the third break light to work.
2003 ford expedition brake lights not working.
The tail lights back up lights and signal lights all work but not the brake lights.
Blinkers working hazards working.
When the switch is activated the lite green wire carries voltage to brake lites.
Also there is a trailer light harness on the vehicle check at that connection or actually remove the trailer light harness as some have a built in converter that can cause weird issues also.
At some point the power is not getting from point a to point b.
They work sometimes and sometimes not.
If bulbs bulb sockets fuses and brake light switch all appear to be good the fault is probably the turn signal switch.
Have taken the fuse out and put it back in a few times.
Brake lights 1 answer.
Welcome to he forum if the high mount brake lite doesn t work check the brake position switch.
I have a 2003 ford expedition.
We just have to find where that is.
Fuses have been checked and brake switch replaced still no brake lights please h.
This seems to be related to the pedal.
Driving without the brake lights working is just as unsafe as if your expedition s brake lights were stuck on.