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Home >> Mercury >> 2010 >> Milan Base, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1103 (Exterior Lighting System) >> Diagnostic Tests >> Stoplamp >> Pinpoint Tests >> Pinpoint Test I: The Stoplamp Are On Continuously >> 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.

When the brake pedal is applied, the stoplamp switch routes voltage through circuit 569 (DG) to the brake shift interlock actuator, the PCM, and the central junction box (CJB) fuse 39 (10A). The CJB then routes the voltage through circuit 511 (LG) to the high mounted stoplamp, the trailer brake control module (TBCM) (if equipped), and the multifunction switch. The multifunction switch then routes voltage to the rear lamps through circuits 9 (LG/OG) (LH rear lamp) and 5 (OG/LB) (RH rear lamp).

This pinpoint test is intended to diagnose the following:

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