Ignition Key Lock Cylinder Sensor
WARNING: This page is about a different car, the 1997 Mercury Mountaineer and 1997 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.
Unplug RAP module. Module is located above and to rear of left rear wheelwell. Measure resistance between pins No. 14 (Black/White wire) and No. 17 (Dark Green/White wire) at harness connector. If resistance is not 145-175 ohms, replace lock cylinder sensor, or repair Dark Green/White and/or Black/White wire. See WIRING DIAGRAMS .