Circuit Description
WARNING: This page is about a different car, the 2003 Pontiac Montana, 2003 Oldsmobile Silhouette, and 2003 Chevrolet Venture. However, it is still accessible from the selected car via links, so may be relevant.
The memory select switch signal circuits are supplied 12 volts through a resistor and monitored within the memory seat module. When a memory select switch is pressed, the signal circuit is closed to ground and the signal circuit voltage is pulled low.