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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1311 (Seating) >> Diagnosis And Testing >> Seats >> Pinpoint Test R: The Power Lumbar Is Inoperative - Driver >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2005 Lincoln LS. However, it is still accessible from the selected car via links, so may be relevant.

The power lumbar operation is incorporated into the power seat switch. The driver power seat switch is powered by battery voltage on circuit 30-AH40 (RD/GN) and is supplied ground on circuit 31-AH40 (BK/GN). When the lumbar knob of the power seat switch is pressed, voltage and ground are supplied to the power lumbar motor. When pressing the lumbar knob in the opposite direction, the power seat switch reverses the polarity to the power lumbar motor, which moves the lumbar mechanism in the opposite direction.

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