Forgive my ignorance but, IIRC, there are two sources of power/voltage in a race car like a spridget... 1) The Battery,and 2) The alternator If I open circuit ungrounded side of the batery and open circuit the lead from the alternator, what's left?? -- Dave G. KK7SS '65 MK III Sprite in Richland, WA If life begins at 50, why am I falling apart ?!