This indicates a problem in the ABS system. Problem is, dealers and some shops are the only ones that have the expensive diagnostic equipment to find out exactly what the problem is. Could be the controller, pump, wheel sensors or the computer itself. The good news is, if the ABS stops working correctly the system goes back to working like the pre ABS systems.
Defective or misadjusted, brake light switch.
With an ohmeter or a self-powered test light. Hook the two leads of your tester to the terminals on the brake light switch. Push down on the brake pedal and if the light stays off or the meter stays at infinity, the switch is bad.
The 2001 Chevy Blazer brake lights may not work and the third bake stays on because the current light needs to be replaced. A replacement brake light can be purchased at an Auto Parts store like Pep Boys.
check your brake fluid level and fill with brake fluid to the top of the master cylinder reservoir.
emergency brake light stays on
AnswerSwitch must be centred on combination valve near master cylinder to turn off brake warning lamp.
brake light plunger switch on the brake pedal maybe faulty, remove it and connect the two wires together and pull apart and see if lights go on and off
The battery light stays on when the alternator is over or under charging. The red brake light stays on when the parking brake is set or the fluid is low. The abs light stays on when the abs computer detects a malfunction and sets a code.
brake light swith located under the brake pedal is stuck.
The brake lights work without the key on, so you have a problem with your brake light switch.
just found out that it needed a fuel pump. engine was flooded and needed to dry up.
Defective ABS controller Defective Power brake booster Severe Vacuum Leak Bring to shop that has an ABS Scanner to determine problem