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Home >> Mercury >> 2010 >> Milan Base, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1103 (Exterior Lighting System) >> Diagnostic Tests >> Headlamps >> Pinpoint Tests >> Pinpoint Test A: The Headlamps Are Inoperative (Low And High Beams) >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2008 Ford RV Cutaway, 2008 Ford Econoline, 2008 Ford E450 Super Duty, and 2008 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.

The headlamp switch receives voltage from the battery junction box (BJB) fuse 15 (30A) through circuit 196 (DB/OG). When the headlamp switch is placed in the HEADLAMPS ON position, voltage is routed to the multifunction switch through circuit 15 (RD/YE). The multifunction switch then routes the voltage through the central junction box (CJB) to the headlamps (for both low and high beams). The headlamps are provided ground through circuit 57 (BK).

This pinpoint test is intended to diagnose the following:

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