If another cash infusion doesn’t arrive by Wednesday, the hospital system could begin diverting ambulances and patients to other facilities as soon as Thursday morning.

A deal must be made by 4 p.m., said an attorney for Prospect Medical Holdings, which owns Taylor Hospital and Crozer-Chester Medical Center. If not, Prospect will pursue a closure motion in court and the hospitals will go on diversion — sending ambulances to other hospitals — starting Thursday.