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Home >> Lincoln >> 2009 >> MKX FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 909 (Exterior Lighting System) >> Diagnostic Tests >> Headlamps >> Pinpoint Tests >> Pinpoint Test D: One Low Beam Headlamp Is Inoperative >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2007 Ford Ranger. However, it is still accessible from the selected car via links, so may be relevant.

When the headlamp switch is placed in the HEADLAMPS ON position, the smart junction box (SJB) routes voltage to the LH and RH low beams through circuits CBP04 (VT) and CBP03 (GY), respectively. Ground is provided to the LH and RH headlamps through circuits GD121 (BK/YE) and GD123 (BK/GY), respectively.

Possible Causes

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