Why are your 1997 Chevy blazer brakes not working while the upper roof tail light still works?
Usually this a faulty signal light switch. The Signal light switch disconects the brake light on the signaling side and makes it flash.
There is a problem with the brake system, and the light is a warning for you to have it checked by a pro mechanic. Brakes are very important right? In my experience it was a cable that runs to one of the front wheels, it cost me $100 to have it fixed at a shop. It does not harm anything with the light on, it just means you do not have anti lock brakes working.
Well what do you know I solved the mystery mmyself it turns out after I paid to replace wheel cylinders and hoses and bleeding the brakes the cure was an $8.00 brake switch. Once I changed the switch the flashing brake light monster went away. So to anyone else who has a flashing brake light problem with your 89 Chevy S10 Blazer if you get a code 10 that is when the brake warning light…