POWER STEERING PRESSURE SWITCH(3.0L 4V Only)
WARNING: This page is about a different car, the 2003 Mercury Sable and 2003 Ford Taurus. However, it is still accessible from the selected car via links, so may be relevant.
The Power Steering Pressure (PSP) switch is located on the power steering pressure hose in the rear of the engine compartment. See Fig 1. Removal and installation procedures not available from manufacture.