99 brake lights wont come on
Sounds to me like a brake light switch issue. Tiny switch behind the brake pedal and is a cheap easy part to replace. Also, make sure the fuses are all fine before moving forward because it's always easy to overthink on an issue like this.
Here's a picture of the brake light switch that's located behind the brake pedal...
Here's a picture of the brake light switch that's located behind the brake pedal...



