LEMON Manuals: Even more car manuals for everyone
Home >> Mercury >> 2008 >> Milan Base, 3.0 1, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 818 (Exterior Lighting System (F250-F550)) >> Diagnostic Tests >> Headlamps >> Pinpoint Tests >> Pinpoint Test C: The High Beams Are Inoperative >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2007 Ford Pickup, 2007 Ford F550 Super Duty, 2007 Ford F450 Super Duty, and 2007 Ford Cab & Chassis. 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, voltage is routed to the multifunction switch through circuit 15 (RD/YE). The multifunction switch, when placed in the HIGH BEAM position, then routes the voltage to the central junction box (CJB) through circuit 632 (GY/OG). The CJB then routes the voltage to the high beam headlamps through circuit 12 (LG/BK).

Possible Causes

scientia non olet · About LEMON Manuals