WHILE DRIVING THE DODGE RAM 2500 2009 YEAR ON THE HIGHWAY AT 60-65 MPH THE VEHICLE STARTED SHAKING UNCONTROLLABLY AFTER HITTING A JOINT IN THE ROAD BETWEEN THE ASPHALT AND A BRIDGE. I WAS UNABLE TO STEER DURING THIS TIME AND THE VEHICLE SHOOK SO VIOLENTLY THAT THE CONNECTORS VIBRATED OFF OF THE BATTERY TERMINAL, BOTH BATTERIES, AT WHICH TIME I LOST ALL POWER. THIS ALMOST RESULTED IN MY DRIVING OFF OF A BRIDGE. THE SHAKING WOULD ONLY STOP UPON COMING TO A COMPLETE STOP. THIS HAPPENED 3 MORE TIMES AT SLOWER SPEEDS BETWEEN 40-50 MPH. I EVENTUALLY HAD TO GET A TOW TRUCK TO GET US TO OUR DESTINATION. THIS HAPPENED ON HIGHWAY ROADS AND ALWAYS AFTER HITTING A SMALL BUMPS. MILEAGE ON VEHICLE IS 89500. *TR