There's a switch on the brake pedal that when you step on it, it completes the circuit for lighting up the brake light.
check brake light switch
where is brake light switch
Power is being interrupted; the turn signal switch is a power juction see if the power is flowing thru it.
You can try to reset your brake light switch by unplugging the brake light switch and plugging it back in. If that does not solve your problem you will need to replace the brake light switch.
a switch that is trigered to light up the light when the brake pad is pushed in
Your brake light ignition switch should be replaced. It works your brake lights and ignition switch, so you do need it. It only costs about $7 dollars.
Brake Light switch works without the ignition on. unplug the brake pedal switch and check to see if the brake lights are still on..switch could be defective
The Chevrolet Colorado brake light switch is quite simple to change. The brake light switch simply plugs in and out.
if you 3rd brake light still works it is most likely a fuse. If none of your lights work usually it is the brake light switch located on the top of the brake pedal. Although there could be some odd wiring issue. Chances are it is the switch.
The brake light is controlled by a relay switch. If the relay switch is bad the brake lights will stay on. The brake light switch simply plugs in and out. Unplug the brake light switch until you can replace it.
Above the brake pedal. If your main brake lights dont work but your third center brake light does, then the brake light switch is not the problem. Its is the turn signal switch.
You need to check the wiring for power to the bulbs.