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Home >> Ford >> 2000 >> Taurus LX, 3.0 2, AX4N >> Repair and Diagnosis >> External Pages >> Different car >> Section 738 (Instrument Cluster And Panel Illumination) >> Diagnosis And Testing >> Instrument Cluster and Panel Illumination >> Pinpoint Tests >> Pinpoint Test E: The Control Illumination Is Always On >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2006 Mercury Montego, 2006 Ford Freestyle, and 2006 Ford Five Hundred. However, it is still accessible from the selected car via links, so may be relevant.

The smart junction box (SJB) sends a pulse-width modulated (PWM) voltage to the dimmable components based on input received from the instrument panel dimmer switch through circuits 1417 (LG/RD) and 1418 (LB/WH).

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