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Home >> Mercury >> 2008 >> Milan Base, 3.0 1, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 721 (Exterior Lighting System) >> Diagnostic Tests >> Reversing Lamps >> Pinpoint Tests >> Pinpoint Test U: The Reversing Lamps Are On Continuously >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2007 Lincoln Mark LT and 2007 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.

Switched battery voltage is normally provided to the digital transmission range (TR) sensor (automatic transmission) or to the reversing lamp switch (manual transmission) through circuit 295 (LB/PK). When the transmission is placed in REVERSE (R), the digital TR sensor or reversing lamp switch routes voltage through circuit 1043 (DG/YE) to the reversing lamps.

Possible Causes