WARNING: This page is about a different car, the 2006 Ford Expedition and 2005 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.
SPECIAL TOOL TABLE
Courtesy of FORD MOTOR CO.
Alignment Gauge, TR Sensor 307-351 (T97L-70010-A)
Fig 1: Identifying Digital Transmission Range (TR) Sensor