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Home >> Mercury >> 2009 >> Mariner Base, 2.5 7, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 147 (Steering Column Switches) >> Diagnostic Tests >> Steering Column Switches >> Principles of Operation >> Ignition Switch

Ignition Switch

WARNING: This page is about a different car, the 2009 Mercury Grand Marquis and 2009 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.

The ignition switch is controlled by the ignition lock cylinder with a key. When the ignition lock cylinder is turned using the key, a mechanical connection positions the ignition switch to the selected position and allows the ignition switch to send voltage to the Battery Junction Box (BJB) and the Central Junction Box (CJB). The available ignition switch positions are: