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Home >> Mercury >> 2010 >> Milan Base, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 639 (Exterior Lighting) >> Diagnosis And Testing >> Headlamps >> Pinpoint Tests >> Pinpoint Test C: One Low Beam Headlamp Is Inoperative >> Normal Operation - High Intensity Discharge (HID) Headlamps

Normal Operation - High Intensity Discharge (HID) Headlamps

WARNING: This page is about a different car, the 2006 Mercury Milan, 2006 Lincoln Zephyr, and 2006 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.

When the SJB detects the headlamp switch in the HEADLAMPS ON position and the multifunction switch in the LOW BEAM position, the SJB sends voltage through circuit CLF04 (BN/BU) and circuit CLF05 (BU/GN) to the LH and RH HID relay coils, respectively. Ground for the HID relay coils is provided through circuit GD121 (BK/YE). Switched voltage for the LH and RH HID relays is provided from the battery junction box (BJB) through circuit SBB26 (YE/RD) and circuit SBB27 (BU/RD), respectively. When the relays are energized, voltage is routed to the LH and RH headlamps through circuit CLF30 (VT/BN) and circuit CLF31 (YE/GY), respectively. Ground is supplied on circuit GD121 (BK/YE) and circuit GD123 (BK/GY) for the LH and RH headlamps, respectively.

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