Normal Operation
WARNING: This page is about a different car, the 2006 Mercury Milan, 2006 Lincoln Zephyr, and 2006 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
The ignition switch START circuit provides greater than 10 volts, through circuit CDC35 (BU/WH) to the SJB, when the key is in the START position.