If I understand your post: The brake light is on constantly? If so, you may want to adjust or replace the brake light switch located at the top of the brake pedal.
Yes. It could be a blown brake light fuse or a faulty brake light switch.
Check the brake light bulbs, Check the brake light fuse, Check the brake light switch, In that order.
The brake light switch is not air actuated.
the brake light driver side not working
The brake lights in your 1983 Nissan pickup truck are controlled by the brake light relay switch. When the brake light relay switch malfunctions the brake lights will stop working.
The "BRAKE BULB" light means that a brake bulb is not working and may require replacing.
probably the brake light switch on the pedal if none are working at all
It means the Anti Lock Brake system isn't working properly
possibly have a brake light out
There are likely one of two reasons why a brake light on a Brava is not working. Either the bulb is burned out or a fuse is blown.
Bulbs blown, or corroded sockets.
Brake light switch on the brake pedal is defective