Trooper LTD V6-3165cc 3.2L SOHC MFI (6VD1) (1997)
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Vehicle Speed Sensor: Description and Operation
VEHICLE SPEED SENSOR (VSS)
The PCM determines the speed of the vehicle by converting a pulsing voltage signal from the vehicle speed sensor (VSS) into miles per hour. The
PCM uses this signal to operate the cruise control, speedometer, and the TCC and shift solenoids in the transmission.
