Normal Operations
WARNING: This page is about a different car, the 2006 Ford Pickup, 2006 Ford F550 Super Duty, 2006 Ford F450 Super Duty, and 2006 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
The vehicle security module receives voltage from the central junction box (CJB) through circuits 1306 (PK/WH) and 116 (RD/BK). The vehicle security module is grounded through circuit 57 (BK).