2016 FREIGHTLINER CASCADIA Visibilitywiper Problems

IN 01/2019 THE ARM FROM MOTOR TO WIPER LINKAGE FAILED AND WIPERS STOPPED DURING A SNOW STORM ON I-79, OUTSIDE OF PITTSBURG, PA. WAS ABLE TO SAFELY GET TO AN EXIT OFF RAMP TO PARK AND INVESTIGATE THE ISSUE. REPLACED THE MOTOR AND LINKAGE AS RECOMMENDED TO REMEDY THE PROBLEM. NOW 11 MONTHS LATER, WIPERS STOP COMPLETELY FOR NO REASON AT ALL. WHEN I TURN THE WIPERS BACK OFF, THEN BACK ON, STILL NOTHING. IMMEDIATELY I PULL VEHICLE TO SHOULDER TO INVESTIGATE, BUT COULD FIND NOTHING WRONG. I RESTART VEHICLE AND TO MY SURPRISE THE WIPERS BEGIN TO WORK. THIS HAS HAPPENED TWICE IN TWO WEEKS, BOTH TIMES IN HEAVY RAIN. ONCE ON NEW YORK THRUWAY HEADING SOUTH JUST NORTH OF THE MAHWAH REST AREA AND THEN ON I-87, NORTHWAY AT EXIT 4. BOTH TIMES I WAS ABLE TO SUCCESSFULLY CORRECT THE ISSUE BY TURNING OFF THE TRUCK FOR A...