Posts Tagged: Brake Light

Brake light doesn’t work

Brake light doesn’t work — How to fix The brake light circuit used to be pretty simple. It consisted of a brake light fuse, brake switch, wiring harness, brake light socket and brake light bulb. Power would flow from the brake light fuse to the brake  switch. When you applied the brake, the brake switch would send power to one of the two filaments in the brake light bulb. If you’ve changed the bulb and your brake light still doesn’t light up, remove the bulb and check for battery power … Read More