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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1386 (Instrument Cluster System And Panel Illumination) >> Diagnosis And Testing >> Instrument Cluster and Panel Illumination >> Pinpoint Tests >> Pinpoint Test F: A Single Illumination Source 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.

The lighting control module (LCM) supplies a variable pulse width modulated (PWM) voltage to the dimmable illumination sources through circuit 484 (OG/BK). The dimmable illumination sources are grounded through circuit 57 (BK) and 676 (PK/OG). With the ignition switch in the accessory or RUN positions, voltage is supplied from the central junction box (CJB) to the door lock control switches and heated seat control switches through circuit 964 (DB/LG). The door lock control switches and heated seat control switches are grounded through circuit 57 (BK). For vehicles equipped with a moonroof, the overhead console is supplied with a variable voltage from the LCM on circuit 19 (LB/RD).

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