| 摘要 |
An automatic headlight switch for automatically turning off headlights of a vehicle a predetermined period after the ignition switch is turned off consisting of a timer coupled to the ignition switch which is started by a transient pulse from the ignition switch being turned off which after the predetermined period is coupled to a relay solenoid for deactuation thereof opening relay contacts in series between the battery and the headlight switch. Upon turning on the headlight switch, a pulse generator coupled thereto which is triggered via a transient from the headlight switch actuates the relay solenoid and thereby applies power to the headlights through the relay contacts and the headlight switch.
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