Radio/Stereo: Description and Operation

With the Ignition Switch in ACC or RUN, voltage is applied through Fuse 11 to operate the Radio.

Fuse 8 applies voltage to the Radio at all times to power the memory-related functions, which retain the memory portions with the Radio turned off.

Panel dimming is controlled by the instrument panel dimming switch. A variable voltage is applied through the 19 (LB/R) wire to control the brightness of the panel lamps.

The display's brightness is controlled by the Main Light Switch. When the park lamps are turned on, battery voltage is applied to the Radio through the 484 (O/BK) wire. The display will dim. When the park lamps are turned off, voltage is no longer reduced by the dimmer resistor and the display will brighten.