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Home >> Ford >> 1996 >> Aerostar Van Window >> Repair and Diagnosis >> External Pages >> Different car >> Section 110 (Engine Controls - Theory & Operation - EEC-IV) >> Computerized Engine Controls >> Input Devices >> Programmable Speedometer/Odometer Module (PSOM)

Programmable Speedometer/Odometer Module (PSOM)

WARNING: This page is about a different car, the 1995 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.

PSOM receives input from Rear Anti-Lock Brake Sensor (RABS). The RABS is mounted to rear axle differential. The PSOM signal is used by speed control module and the PCM.