brake light not working

[hopper]

i have third brake light but other are not working put new bulbs in all light new brake swith new flaser need help thanks

 

[GullsGN]

In the trunk, check the ground and other wiring under the carpet on the driver side.
Did this start happenin after you did any work on the car?

 

[hopper]

i have done no work on car the ground looks good and the thrid brake light works do you now if they are on the same line that goes to the back i tryed the flasher on and off they are working fine the only thing i haved tryed is the turn signswicth thank for you help

 

[Roger]

Third (high) brake light works off a different switch at the brake pedal. Check adjustment & continuity through that switch.

 

[BIGPSI]

mine was a bad turn signal switch when the same thing happened