separate
Check the bulbs, the fuse and the brake light switch.
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.
Yes
The brake lights and tail lights are separate wiring systems. Even some of the bulbs may have two separate bulbs in the same glass housing. If the bulbs are in fact working, then the next step would be to test the brake switch under the dash. When you depress the brake pedal the switch is pushed creating a connection to turn on the brake lights.
There could be a separate fuse for the lower brake lights , or maybe both lower brake light bulbs are burned out
It can be connection wires, bulbs or fuses.
The tailights might be burned out. Typically the tailights and brake lights are separate bulbs.
The lamp in the top brake light of a Toyota Highlander can be replaced by the locating the light housing from the trunk. Find the light cover and remove it to access the lights. Replace the bulbs.
Check the wire which is going inside of the trunk hood to the brake lights.
Check bulbs Fuse Stop light switch
The brake lights and the tail lights are separate circuits. Check the brake light fuse, then check the brake light bulbs, then check the brake light switch.
Check the tail light bulbs. These bulbs do double duty. Thet are both the tail light & the brake light. Tail light part might be burnt out.