Does anyone know, should there be voltage going to the MFI pump when the car is running?

I have nothing at the solenoid on the back of the pump when running.

__________________
Present
1971 280SE W108

1967 250SE W111
Rhode Island
_____________
Auf Wiedersehen
1972 280SE 4.5 (AKA Das Moneypitten)
1972 250C (Mit den zwei carburetors from hell)

"Time fly’s like an arrow, fruit flies like a banana" Groucho Marx