Try the Brake Light Switch it should be located under the dash where the brake pedal arm attachs and pivots.
Good Luck and Remember.
Change Your Mind, Not Your Oil.
Use the First In Synthetic Motor Oil's.
See My Bio For more information.
Also check the multifunction switch in the steering column. These are notorious for shorting out in the sunfires/cavaliers. Manufacturer number: ARBC505802, AutoZone part #SW824, shoud cost you about $40 and is easy to replace. Tip: try jiggling the hazard light switch on the steering column and see if you get any activity in the brake lights.
check your fuses first, then check your bulbs and then your relay.
You need new bulbs
check your fuses?
check your bulbs and fuses check your bulbs and fuses
Check the bulbs they are double filamented with the smaller for stop and turn signals
have you checked the bulbs and fuses
on some cars the tail lights and brake lights are totally different bulbs gain access to the bulbs and have someone push the brakes so that you can determine which bulbs are the brake lights and replace the tail lights
fuses are blown, or bulbs are blown
It should be in the fuse panel with all of the rest of the fuses.
Working brake lights are important for safety reasons while driving. It is important to check all of the wiring, if the brake lights are not working and the fuses and bulbs have been checked.
you should try checking the fuses and replacing the bulbs the fuses for thos lights should only be about a 10 or a 15
Start by checking fuses Then check the light bulbs Some Bonnevilles have “Cluster lights” These should be checked by a dealership or a qualified mechanic