Break light on dash stays on 95 camery

The cable tightness is loose therefore causing the light to come on while driving, tighten or replace the eb cable hope that helps or you need to push in the button on it hold the button and pull it back as far as you can. let go then push button pull back farther and release, this should tighten the tension.

add brake fluid and inspect for leaks or replace master cylinder

Sorry, but we cannot find where all the fuses on a 95' Blazer are located. Try a Chevy forum website or call a Chevy dealer.------------------------------------------------------------------------------
VAG Dash K+CAN V5.14

Check your break fluid level. When the fluid gets below the sensor, the dash board break light will come on and stay on.

you're on the right track , three things that relate to the brake light, loss of pressure, fluid pressure and parking brake, go to it

Check the brake fluid level, there is a sensor for it.

If what you mean by break light is the warning on the dash facia then it could either be fluid level or the button on the park lever is sticking.

Seems like your brake fluid is borderline low/empty. Check the level. If it is low, it's low for a reason, if pads and shoes are not worn excessively, there may be a leak in the system, which is very dangerous.

If your sure ALL of your bulbs are good(front and rear)then your bulb check relay is bad its usually in the trunk area,hope it helps have a good dayDB

Only two things should normally activate the light:

Parking Brake engaged switch.

Low Fluid level in master cylinder.

I don't think you did any work to the Parking brake, but you should check it to be sure.

I believe that you would have double checked the fluid level, but please check it again.

Other things that could activate the light would be a worn or leaking master cylinder; improper brake fluid type; a damaged brake booster diphragm .

I have attached a link with excellent info on how a brake system works here.

Also, does the light always stay on, or only when you apply the brakes?

Brian