Dimmer Switch: Description and Operation

The headlamp and instrument panel lamp dimmer switch with thumbwheel dimmer control is mounted in the IP to the left of the instrument cluster

The headlamp switch controls the following lamps:
^ The headlamps
^ The parking lamps
^ The sidemarker lamps
^ The taillamps
^ The interior lamps
^ The IP lamps

The dimmer control regulates the intensity of the IP illumination.