Normal Operation
WARNING: This page is about a different car, the 2005 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.
Under normal operation, the EATC module receives a ground through circuit 875 (BK/LB). The EATC module is supplied constant battery voltage through circuit 729 (RD/WH) and ignition switched voltage through circuit 296 (WH/VT).