How do you replace a brake light switch on a 1991 Ford Tempo?

To replace the brake light switch on a 1991 Ford Tempo, first, disconnect the negative battery terminal to ensure safety. Locate the brake light switch, which is typically mounted above the brake pedal. Remove the wiring connector from the switch, then unbolt the switch from its bracket. Install the new switch by reversing the removal process, ensuring it is properly adjusted so the brake lights function correctly when the pedal is pressed.