Sounds as if it is out of alignment, like someone is still steping on the brakes as you leave the vehicle. Or if some rewiring was redone, recheck it. Or your light switch is not working properly.
if turn signals are working , and brake lights not working, i would replace the stop light switch on the brake pedal
THAT IS USUALLY AN INDICATION OF A BURNED BRAKE LIGHT SWITCH. SWITCH IS USUALLY LOCATED ON THE BRAKE PEDAL ITSELF. DISCONECTED AND IF THE LIGHTS GO OUT YOU HAVE FOUND YOUR PROBLEM , SIMPLY REPLACE IT.
it could be a combination of things like a blown fuse or a bad bulb or your brake switch on the top of your brake pedal could be bad, check and replace if you have to.
Replace brake light switch.
replace your switch, located under the brake pedal.
you need to replace the brake light switch that is located above the brake pedal underneath the dasboard Here's a link to a video that 1aauto.com has that shows you how to replace the brake light switch.
The brake light switch is bad, look on top of the brake pedal under the dash and you will see the switch, replace it and you will have brake lights.
the blinker switch shorted out the brake lights... really really common problem, need to replace the switch
Located at the upper end of the brake pedal almost under the dash
Usually at the base of the brake pedal.
Adjust or replace the brake light switch.
This is usually cause by a stuck brake light switch on the brake pedal. Replace it.