the brake light fuse is located on the firewall under the dash beside the park brake second or third up on the left hand side
3/16
It will be mounted to a pressure port on the service (foot) brake valve
DOT 3
Above your left Knee when you are driving
Either the brake fluid level is LOW in the brake master cylinder located in your engine compartment , or the parking brake / emergency brake is on
Dot 3 brake fluid
Change out the flasher relay located under the dash. Not the brake light switch which is activated by the brake pedal. Replacing the relay should solve the problem.
It is quite easy to install the 1992 Chevy Lumina brake light switch. The brake light switch simply plugs in and out.
The most likely cause is a defective brake light switch; It is located towards the top of the brake pedal.
Usually controlled by a fuse and a switch located at the upper end of the brake pedal under dash
APPLY BRAKES AND SEE IF BRAKE LIGHTS COME ON. IF NO BRAKE LIGHTS, REPLACE THE BRAKE LIGHT SWITCH LOCATED ON THE BRAKE PEDAL ARM AND THIS SHOULD ALLOW YOU TO SHIFT OUT OF PARK. IF THAT BRAKE LIGHT SWITCH IS BROKE, YOU WON'T BE ABLE TO GET IT OUT OF PARK
your brake fluid is probably low or very dirty.