LOWER RIGHT BALL JOINT ON VEHICLE FAILED CAUSING TRUCK TO LOSE CONTROL SIDE SWIPE A PARKED CAR AND TRAVEL ANOTHER 70 FEET KNOCKING OVER A STOP SIGN. DRIVERS SIDE SEAT BELT DID NOT HOLD ME IN SEAT CAUSING ME TO GO FORWARD HITTING HEAD ON STEERING WHEEL. I CRACKED A MOLAR TOOTH AND BOTH KNEES WERE INJURED HITTING THE TRIM PIECE UNDER INSTRUMENT CLUSTER. *TR