Manual Lever Position (MLP) Sensor
WARNING: This page is about a different car, the 1994 Mercury Sable, 1994 Mercury Cougar, 1994 Lincoln Continental, 1994 Ford Thunderbird, and 1994 Ford Taurus. However, it is still accessible from the selected car via links, so may be relevant.
MLP sensor is mounted on transmission selector lever. MLP indicates shift lever position by means of a variable resistance signal. This signal is used by PCM to determine gear shift selector position.