Transmission Range Sensor
WARNING: This page is about a different car, the 2003 Ford Econoline. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Transmission range sensor may be referred to as digital transmission range sensor.
See TRANSMISSION RANGE SENSOR under REMOVAL & INSTALLATION in SERVICING - BLACKWOOD, ECONOLINE, EXCURSION, EXPEDITION, "F" SERIES PICKUP & NAVIGATOR article in AUTOMATIC TRANSMISSIONS.