I have installed the new starter and the new voltage regulator. The starter turns when key is not but the bendix is not engaging the flywheel. I have over 12.20 volts at battery. I have at least 12 when the key is turned on without engaging the starter. The strange thing is that I have 12.2 volts at the voltage regulator without the key on at the secondary posts of the regulator. I don't understand why the secondary post starter- voltage regulator - battery are energized with the key off. I have a good ground at the battery to the engine block as well as the voltage regulator. Something else is going on and snow is supposed to be here in 2 days. In the mean time, I have disconnected the battery to voltage regulator secondary until I locate the problem. If anyone knows what further test I can perform or what other component that I have to test, I will gladly explore all options so I can run this tractor. Thank you