brake light on dash

Bills70 said

my brake light on my dash is on! does any one know what sensor or sensors would cause this? my car came with out power brake! Front disc were installed before I got the car and I have installed Rear disc along with Power Brake Master Cylinder, PV and Booster! I already depressed the switch on the emergency brakes and the light stayed on!

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Sometimes the distribution block switch sticks and a good hard stomp on the brake pedal can recenter it.
They can also do this when one side of the master gets low on fluid, and then not recenter after filling.
Otherwise if your brakes seem fine you can disconnect the wire to the distribution block or E brake switch and make the light go off.
It could also just need the Ebrake switch adjusted if disconnecting that wire makes the light go off.