Normal Operation
WARNING: This page is about a different car, the 2005 Ford Mustang. However, it is still accessible from the selected car via links, so may be relevant.
The smart junction box (SJB) fused voltage is supplied by the bussed electrical center (BEC). Circuits 294 (WH/LB), 905 (GY/LB), 1052 (TN/BK), 1523 (DG), and 1679 (WH/YE) supply voltage to the SJB. The SJB is grounded through circuit 1205 (BK).