Dashboard / Instrument Panel: Description and Operation
OPERATIONVoltage is applied at all times to the Main Light Switch through Fuse 4.
When the Main Light Switch is set to "PARK" or "HEAD", voltage is applied through Fuse 13 to the Instrument Cluster Illumination Lamps.
The Instrument Cluster Illumination Dimmer adjustment controls the voltage applied to the illumination lamp.