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Home >> Mercury >> 2008 >> Milan Base, 3.0 1, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 175 (Exterior Lighting System) >> Diagnosis And Testing >> Headlamps >> Pinpoint Tests >> Pinpoint Test A: The Low Beams Are Inoperative >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2005 Mercury Montego, 2005 Ford Freestyle, and 2005 Ford Five Hundred. However, it is still accessible from the selected car via links, so may be relevant.

The battery junction box (BJB) provides voltage to the smart junction box (SJB) through circuit 1231 (RD/WH). When the headlamps are turned on, the SJB provides voltage to the low beams.

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