That usually means that the ABS control module has detected a problem with one of the sensors or actuator. It also means that you only have regular brakes and that your ABS isn't working.
On the top of the back window position in the middle .
Either your parking brake ( emergency brake ) is on or the brake fluid level in your brake master cylinder in your engine compartment is LOW
first check your brake fluid it may be low then check the switch at the emergency brake lever it may be stuck
Should be at the upper end of the brake pedal under dash area
The 1997 Pontiac brake light fuse is located in the fuse box. The brake light fuse will be labeled as the tail light fuse.
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low antifreeze , or faulty coolant sensor .
my brake light stay on but emergency brake is unhooked
Common causes are low brake fluid levels in the master cylinder reservoir, or air bubbles or leaks have been detected in the brake lines.
The brake light fuses can be found in the fuse box. The brake light fuse will be in the second column, fourth from the top.
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there is a switch up under the brake pedal