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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1025 (Instrument Cluster And Panel Illumination -- F150 Pickup) >> Diagnosis And Testing >> Instrument Cluster and Panel Illumination >> Pinpoint Test A: The Control Illumination Is Inoperative >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2005 Ford Pickup. 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, voltage is supplied to the dimmer switch through circuit 14 (BN). The dimmer switch then sends a variable voltage to the dimmable backlighting lamps through circuit 19 (LB/RD). The non-dimmable backlighting lamps receive voltage through circuit 54 (LG/YE) from the accessory delay relay the central junction (CJB). Ground signal is supplied to the dimmer switch through circuit 57 (BK).

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