We were riding on the highway in our 99' Chevy sierra short bed 5.3L 4x4 and Our ANTI LOCK BRAKE SYSTEM CAME ON AND LOCKEDOUR BRAKES ON THE HIGHWAY WHAT SHOULD I DO ABOUT THIS PROBLEM THERE WAS A FAN HUMMING UNDERNEATH THE TRUCK AND WOULDN'T STOP WE TOOK THE COMPUTER CHIP OUT OF THE POWER BOX. WE WENT TO A CHEVY DEALER AND THE MECHANIC SAID THAT THERE WAS SOMETHING WRONDG AND THAT IT WOULD COST ABOUT 1,000 BUCKS FOR THIS PROBLEM.
WHAT IS HAPPEINING TO THIS PIECE OF CRAP CHEVY?