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Home >> Mercury >> 2008 >> Milan Base, 3.0 1, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 300 (Seat System) >> Diagnosis And Testing >> Seats >> Pinpoint Tests >> Pinpoint Test C: The Power Seat Does Not Move Horizontally/Vertically - Passenger >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2006 Mercury Grand Marquis and 2006 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.

The passenger seat control switch is powered by battery voltage on circuit 517 (BK/WH) and is supplied ground on circuit 57 (BK). When pressed, the seat control switch supplies that voltage and ground to a power seat track motor to move the seat. When pressed in the opposite direction, the seat control switch reverses the polarity to that same power seat track motor, which moves the seat in the opposite direction. There are 3 power seat track motors that combine to move the seat horizontally (FORWARD/REVERSE) and vertically (front UP/DOWN and rear UP/DOWN).

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