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Home >> Mercury >> 2008 >> Milan Base, 3.0 1, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1483 (Exterior Lighting System) >> Diagnosis And Testing >> Turn Signal and Hazard Lamps >> Pinpoint Tests >> Pinpoint Test M: The Turn Signal Lamps Are Inoperative >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2010 Mercury Milan, 2010 Lincoln MKZ, and 2010 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.

The Smart Junction Box (SJB) sends voltage signals to the multifunction switch. When the multifunction switch is switched to the LH or RH TURN positions, the voltage signal is switched to ground. When the SJB detects the multifunction switch in the LH or RH TURN position, the SJB sends voltage to the appropriate turn lamps.

This pinpoint test is intended to diagnose the following: 

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