anti lock brake light came on and won't go off on 1993 Cadillac DeVille

my anti lock light, located just below the emergency brake light, which is on also, neither will go off. why? it just came on last week.

2 answers
indicates a malfunction with the abs system. most likely cause is a wheel speed sensor failure. a shop with a scan tool will verify the failure and give you a bid.

roy
check for bad wheel bearing