It might have a system like the Blinking Smart Stop that flashes the third brake light to attract the attention of other drivers. It flashes six times before going on steady. If it keeps flashing then something in the system is bad.
Remove the high mount brake light retaining screws from your Mazda Protg. Remove the high mount brake light wiring harness. Reverse the process to install your new high-mount brake light.
Remove the wiring harness from the high mount brake light. Remove the retaining screws. Reverse the process to install the new high mount brake light.
Remove the wiring harness from the high mount brake light. Remove the back cover of the brake light assembly. Take hold of the brake light connector, push in and turn at the same time. Reverse the process to install the new brake light.
Center High Mount Stop Lamp or CHMSL. It is also called a third brake light.Center High Mount Stop Lamp or CHMSL. It is also called a third brake light.
Because you have a spoiler, Honda likely decided to not even include a light socket for the high mount brake light (behind rear window). It's because the spoiler fin blocks this high mount light anyways.Pop the trunk and check to see if a light bulb socket even exists for the high mount brake assembly. If a socket doesn't exist (and you don't see one hanging) then no worries, it was a Honda decision. This is the case for my 2000 Accord EX.
Just unscrew it.
That would be the relay for the "Center High Mount Stop Light", AKA the third brake light.
check high mount brake wiring from trunk...
Yes , fuse # 2 , 7.5 amp for High - mount stoplamp on your 1996 Explorer
If equipped, it is above the liftgate glass.
Centre High Mount Stop Lamp (CHMSL)
Look on the inside of the liftgate and you'll spot a plastic trim panel/piece directly behind the High Mount brake light. Gently pry this piece off and you'll have access to the bulb and socket.