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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 A: Both Headlamps Are 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.

The smart junction box (SJB) provides voltage to the multifunction switch and the headlamp switch through circuit SBP23 (WH/RD). When the headlamp switch is placed in the HEADLAMPS ON position, the voltage is routed to the multifunction switch through circuit CLS24 (BN/WH).

Possible Causes

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