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Home >> Mercury >> 2009 >> Mariner Base, 2.5 7, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 117 (Exterior Lighting System) >> Diagnostic Tests >> STOPLAMPS >> Pinpoint Tests >> Pinpoint Test H: The Stoplamps Are Inoperative >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2009 Mercury Grand Marquis and 2009 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.

The battery junction box (BJB) supplies voltage to the stoplamp switch through circuit 1119 (RD). When the brake pedal is applied, the stoplamp switch closes and routes voltage to the stoplamps through circuit 10 (LG/RD).

This pinpoint test is intended to diagnose the following:

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