It could be one of serveral things. - Low brake fluid. - Parking brake is on or slightly on. - If the brake pedal has been pushed all the way to the floor. Check the fluid and parking brake first then go to plan B.
Check brake fluid level Check to see that emergency brake is fully released
The brake indicator light is for the EMERGENCY break, release this break.
If you mean the red " BRAKE " light in your dash is on , that means that the brake fluid level in the brake master cylinder located in your engine compartment ( on a Ford Taurus ) is LOW ( or that the parking brake is on )
On a 1999 Ford Taurus : The oil pressure warning light is just to the right of the tachometer * just above the parking brake / emergency brake , brake fluid level warning light
You have a bad ground on that brake light bulb.
The brake light on most vehicles is not only an indicator that the parking brake is on, but that there is a problem with the system.
probably the parking brake indicator
replace front brake pads
yes it dose
usually the parking brake sensor is malfunctioning [or the fluid is low check this first]
vss sensor
check your break fluid, may be low.