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Home >> Lincoln >> 2009 >> MKS FWD >> Repair and Diagnosis >> Electrical >> Gauges >> Instrument Cluster Illumination & Instrument Panel Illumination >> Diagnosis And Testing >> Instrument Cluster and Panel Illumination >> Pinpoint Tests >> Pinpoint Test B: The Control Illumination Is Always On - All Hardwired Illumination >> Normal Operation

Normal Operation

Based on input received from the instrument panel dimmer switch, the Smart Junction Box (SJB) sends a Pulse Width Modulated (PWM) voltage to the hardwired dimmable illumination sources through circuit VLN37 (BU/WH).

This pinpoint test is intended to diagnose the following: 

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