WHILE DRIVING 30MPH & APPLYING THE BRAKES TO AVOID HITTING A VEHICLE THAT STOPPED. HOWEVER, VEHICLE HAD NO BRAKE LIGHTS, AND IT REARENDED VEHICLE IN FRONT DUE TO NO BRAKES. VEHICLE TOWED TO DEALERSHIP & MECHANIC INDICATED BRAKES WERE GONE. PIN IN THE BRAKES HAD BROKEN WHICH CAUSED THE BRAKES TO BE INOPERATIVE. *AK