Electrical Load (E/L) Control Unit
WARNING: This page is about a different car, the 1989 Ford Probe. However, it is still accessible from the selected car via links, so may be relevant.
The E/L control unit monitors the electrical load placed on the alternator and electrical system. It is mounted beneath the ECA on the floor panel, behind the front of the center console. The E/L control unit signal affects idle speed.