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Home >> Ford >> 2004 >> Excursion 5.4 L, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1014 (MULTIFUNCTION Electronic Modules System) >> Diagnosis And Testing >> Lighting Control Module (LCM) >> Pinpoint Tests >> Pinpoint Test C: No Communication With The Lighting Control Module (LCM) >> Normal Operation
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Normal Operation

WARNING: This page is about a different car, the 2006 Mercury Grand Marquis and 2006 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.

The headlamps with autolamps, turn signal lamps/hazard flasher lamps, cornering lamps, parking lamps, courtesy lamps, demand lamps, battery saver and backlighting are controlled by the LCM. Voltage is supplied through the central junction box (CJB) on circuit 221 (OG/WH). The LCM is grounded through circuit 676 (PK/OG).

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