Battery Positive Output (B+) Terminal Circuit 38 (BK/OG)
WARNING: This page is about a different car, the 2005 Ford Pickup, 2004 Ford Pickup, and 2003 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.
The generator output voltage is supplied through the battery positive output (B+) terminal circuit 38 (BK/OG) on the rear of the generator to the battery and electrical system.