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Home >> Ford >> 2003 >> Cutaway 7.3 F >> Repair and Diagnosis >> External Pages >> Different car >> Section 2499 (Steering Column Switches -- F250-F550 Super Duty) >> Diagnosis And Testing >> Steering Column Switches >> Pinpoint Tests >> Pinpoint Test A: No Power in All Ignition Switch Positions >> Normal Operation - Vehicles not equipped with a Circuit Deactivation Ignition Module (CDIM)

Normal Operation - Vehicles not equipped with a Circuit Deactivation Ignition Module (CDIM)

WARNING: This page is about a different car, the 2010 Ford Pickup, 2010 Ford F550 Super Duty, 2010 Ford F450 Super Duty, and 2010 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

The ignition switch distributes fused battery voltage to the Smart Junction Box (SJB), Battery Junction Box (BJB), run/start relay and starter relay depending on the current ignition switch position. The ignition switch receives fused battery voltage from SJB  fuse 27 (20A) along circuit SBP27 (BU/RD). The ignition switch has 4 positions: