WITH ALL THE ACCESS, TURNED ON WHAT IS THE VOLTAGE ACROSS THE BATT TERMINALS AT IDEL AND THEN AT ABOUT 1500 RPM WITH THE BATT FULLY CHARGED , 2 TENTHS OF A VOLT IS NOTHING TO WORRY ABOUT WHEN IT GOES OVER 1/2 VOLT THEN START LOOKING FOR BAD CORRODED CONNECTIONS IN AND AROUND THE BATT AND CABLES AND THE ALT CONNECTIONS ESP THE GROUND WIRE COMING FROM THE ALT HARNESS OVER TO THE FRAME , JERRY