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why was brake light switch replaced? you need to check things before replacement. is the brake light switch getting power? if not the fuse is blown. if it is getting power, is power going out? if so, check for power at the bulbs, if no power find out why, if the bulbs do have power, they are not getting ground. the ground wire is in trunk, I really dont know exact location. may be near high mounted brake light.
Just had a similar problem. Brake (stop) lights and horn didn't work. Couldn't find mention of stop lights in fuse chart. Found horn fuse to be slot 21 in the engine fuse block (not the fuse block in car interior). Replaced 15A fuse and all now ok.
Did you check or replace the brake light bulbs? It is more common to have burnt bulbs than a bad brake light switch or blown fuse. Do you have orange signal lights and red brake lights at the rear? Then the signal light switch will not affect the brake lights.....but.... If they are all red and you use the same bulbs for brake and signal....the brake light wiring goes through the signal light switch and could be affected there. First....check for power getting to the brake light switch......and leaving it with a test light.......then go to the rear....pull a light assembly and check for power getting to the bulbs.no power? follow the wiring back to the switch looking for a bad connection. The fuses and relays under the hood are usually in a black plastic box labeled fuses and or relays.
I have a 2001 Ford F150, my brake lights dont work. Ive replaced the bulbs, checked the fuses,and the brake switch on side of the brake pedal was replaced. I still dont have any brake lights. My third brake light works fine, along with my running lights,flashers, blinkers.
check the fuse for the brake lights. The brake lights and siganl lights use the same bulb filament. The parking and running lights use a dimmer filament in the bulb. There are 2 filaments.
Your brake lights work through the multifunction switch which operates the signal lights. If the signal lights work, you may have a bad brake lamp switch which is on your brake pedal arm.
Let us know what you find.