rad400 posted:John _ I sent off my updated post before I read your updated post. I will take the reading next week with reference to earth ground.
Bob D
Hi there!
I'm pretty sure everyone knows this but just in case.... this measurement should be done with the entire layout (TMCC & DCS & Power) totally off. If there's any voltage to Earth ground (even inadvertent paths) it will give funny numbers in a capacitance measurement.