You have two separate relays for 4 ways and blinkers. I would say that the turn signal relay needs replaced. It is usally a round silver relay either on the fuse panel or under dash. Go to the parts store tell them the year and make they will give you the right relay and can probably tel you where to look.
Possibly blown fuse, bad brake light switch, or blown brake light bulbs.
It has 2 different flashers. One for the turn signals and one for the emergency flashers.
Bulbs? Sockets? Steering column switch?
You need new bulbs
Check the bulbs. These bulbs are a combination tail light & brake light. Even though the blinkers work, the brake light part might be burnt out. If these are okay, check the brake light switch. It's mounted on the brake pedal. Are the brake lights on all the time or they don't light up at all? if all the bulbs are fine, its more than likely the stop-light switch underneath the brake pedal.
Please check the Brake light switch....The brake light switch should be located near or on the brake pedal (up on the stem of the brake pedal)
Start with the fuses, then check the bulbs, then start tracing wires.
has anyone checked the fuses and bulbs?
Try replacing the hazard flasher. If that does not work, double-check to see that you have the proper bulbs and fuses installed for the brake lamp circuit.
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
AnswerThe bulbs for the brake lights are usually separate from the normal tail light bulbs. Check and replace the brake bulbs first, and if they are still not working examine the fuses, switch and wiring.
First, check all fuses. Then see if you are getting power to the bulbs. Then the next possibility would be the turn signal switch.