pump continuously runs

I have a 75' well installed in 1995 original to the house, afaik, I've owned since 2016. I installed a CSV in 2017 to stop short cycling (thx Valveman, that thing is awesome). Pump recently started running all the time - On ~35 seconds, reach 60psi, off for ~40 seconds. Rinse & Repeat...

Replaced the pump with Gould's Centri Pro, .5hp, 4" submersible, the wiring from the pump to the pressure switch, and the pressure switch (when the old pump repeatedly surged to no water, tripped the breaker, and more). The tank holds steady pressure. Now, the pump initially turns on, fully...