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Home >> Honda >> 2018 >> Fit EX-L >> Repair and Diagnosis >> External Pages >> Different car >> Section 157 (Instrument Panel And Interior Switches Illumination (Except Hybrid)) >> Description And Operation >> Instrument Panel and Interior Switches Illumination - System Operation and Component Description >> Component Description >> Dimmer Switch

Dimmer Switch

WARNING: This page is about a different car, the 2015 Lincoln MKZ. However, it is still accessible from the selected car via links, so may be relevant.

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