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Home >> Mercury >> 2008 >> Milan Base, 3.0 1, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 301 (Window And Glass) >> Diagnosis And Testing >> Glass, Frames and Mechanisms >> Pinpoint Tests >> Pinpoint Test H: The Defrost System Is Inoperative - ON Indicator >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2006 Mercury Grand Marquis and 2006 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.

When the rear window defrost relay is energized, switched voltage is supplied to the rear window defrost switch indicator through circuit 59 (DG/VT). The switch is grounded through circuit 57 (BK).

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