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Home >> Mercury >> 2008 >> Milan Base, 3.0 1, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 285 (Exterior Lighting System) >> Diagnosis And Testing >> Headlamps >> Pinpoint Tests >> Pinpoint Test C: One High Beam Headlamp Is Inoperative >> Normal Operation

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.

When a request for the high beams is received by the lighting control module (LCM), the LCM provides voltage through circuits 1337 (VT/YE) and 1335 (YE/WH) to the LH and RH headlamps, respectively. Ground is shared with the low beam headlamps.