Rear Defogger/Mirror Defogger

When rear defogger switch and mirror defogger is turned on with starter switch on, battery voltage is applied to rear defogger through rear defogger relay to operate rear defogger and mirror defogger.
Rear defogger and mirror defogger switch is provided with a timer, when the operation time of the timer elapses which has been set in advance at manufacture, the switch is automatically turned off. (The timer operating time is normally about 30 minutes).