BRAKES FAIL AT SLOW SPEEDS. SOMETIMES THEY WORK, SOME TIMES THEY START WORKING AND QUIT AND THE TRUCK SLIDES. NO ABS LIGHTS COMING ON AND THE ABS DOESN'T PUMP. SLID INTO PARKING CURB STOP, ALMOST STRUCK OREILLY AUTO PARTS BUILDING IN ATCHISON AND JAMMED MY NECK. HAD BRAKES CHECKED, MASTER CYLINDER REPLACED AND BRAKES WERE BLED WITH NEW FLUID. EVERY THING IN GOOD SHAPE, BUT BRAKES ARE STILL FAILING. MECHANIC IN ATCHISON SAID THIS IS THE SECOND RANGER HE SEEN WITH THIS PROBLEM; ON THE OTHER RANGER THEY REMOVED THE ABS FUSE AND BRAKES FUNCTIONED FINE. WAS TOLD THERE WERE NO CODES OR ABS LIGHTS ON VEHICLE UNTIL FUSE WAS PULLED. WITH NO CODES BEING SET, UNABLE TO FIGURE OUT THIS PROBLEM. FORD NOT WILLING TO INSTRUCT AS TO WHAT IS GOING ON WITHOUT CHARGING $80 AN HOUR FOR REPAIRS. HAVE LIMITED INCOME, CAN NOT AFFORD TO TAKE VEHICLE TO FORD. VEHICLE IS DANGEROUS IS GOING TO CAUSE A COLLISION. PLEASE HELP. *TR