Explorer 2WD V6-245 4.0L SOHC VIN E EFI (1997)
Vehicle Speed Sensor/Transducer - Cruise Control: Description and Operation
The Vehicle Speed Sensor (VSS) is a magnetic pickup-driven gear mounted to and driven by the transmission on 4x2 models, and to the transfer case on
4x4 models.
The VSS sends a signal to the speed control servo indicating how fast the vehicle is traveling.