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Home >> Saturn >> 2002 >> SC2 Automatic, MP6 >> Repair and Diagnosis (Single Page) >> Body & Frame >> Exterior/Interior Trim >> Instrument Panel, Gages, And Console -- "S" Series >> Description and Operation >> Indicator/Warning Message Description and Operation >> Instrument Cluster Illumination Lamps

Instrument Cluster Illumination Lamps

The instrument cluster has two front flood illumination lamps and four rear back-lighting lamps. The signal to control these instrument cluster illumination lamps is a pulse width modulated ground signal received from the instrument panel dimmer.

The duty cycle of the pulse width modulated (PWM) signal is varied by the vehicle's operator rotating the knob of the instrument panel dimmer. The duty cycle varies from approximately 20% LO to 100% HI.

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