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Home >> Mercury >> 2009 >> Mariner Base, 2.5 7, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 117 (Exterior Lighting System) >> Diagnostic Tests >> Public Safety - Police Package >> Pinpoint Tests >> Pinpoint Test AA: The Rear Deck Light Emitting Diode (LED) Flasher Is Inoperative >> Normal Operation

Normal Operation

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 rear deck LED flasher is provided voltage through circuit 23 (TN/LG). Ground is provided through circuit 57 (BK).

This pinpoint test is intended to diagnose the following: