Pulse Generator
WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 1988 Chrysler Conquest, 1987 Chrysler Conquest, 1986 Plymouth Conquest, 1986 Dodge Conquest, and 1985 Plymouth Conquest. However, it is still accessible from the selected car via links, so may be relevant.
Disconnect pulse generator electrical connector. Using a DVOM, measure resistance between sensor terminals. Resistance should be 600-800 ohms. If resistance is not to specification, replace sensor.