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Home >> Ford >> 2015 >> Mustang EcoBoost, Automatic Trans >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel And Interior Switches Illumination >> Description And Operation >> Instrument Panel and Interior Switches Illumination - System Operation and Component Description >> Component Description

Component Description

Dimmer Switch 

The dimmer switch is a momentary contact switch that is integral to the headlamp switch. The headlamp switch is non-networked to the BCM. When the dim up or dim down switch is pressed the switch completes a ground circuit to the BCM corresponding to the desired action (increase or decrease illumination brightness).