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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 733 (Information Center) >> Diagnosis And Testing >> Instrument Cluster and Panel Illumination >> Pinpoint Test D: A Single Illumination Source Is Inoperative >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2004 Mercury Mountaineer and 2004 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.

When the headlamp switch is placed in the ON position, battery power is supplied to the instrument panel dimmer switch through circuit 14 (BN). The instrument panel dimmer switch then sends a variable voltage to the backlighting control system through circuit 235 (RD/BK). The ground signal is supplied to the climate control panel and the backlighting control system through circuit 1205 (BK).