WHILR DRIVING MY RANGER IT SUDDENLY DOWNSHIFTED SPEEDO QUIT WORKING ABS LIGHT CAME ON AND OVERDRIVE LIGHT BEGAN FLASHING ON AND OFF.I PULLED OVER AND TURNED THE TRUCK OFF,I THEN DISCONNECTED THE NEGATIVE CABLE AT THE BATTERY FOR A MINUTE THEN RECONNECTED IT.STARTED TRUCK ABS LIGHT STAYED ON PUT TRUCK IN GEAR HAD TO REALLY GET ON THE GAS TO GET IT TO SHIFT INTO SECOND,IT SHIFTED REALLY HARD INTO SECOND THEN THE OVERDRIVE LIGHT STARTED BLINKING ON AND OFF AGAIN,SPEEDOMETER STILL NOT WORKING.