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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 D: The Audio System Illumination 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.

With the parking lamps on, the lighting control module (LCM) supplies a variable pulse width modulated (PWM) voltage to the audio unit on circuit 484 (OG/BK). The base audio unit illumination is grounded through circuit 57 (BK). The dual media audio unit is grounded through circuit 694 (BK/LG).

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