This circuit automatically turns a motor cycle’s headlight on and off, independently of both the light and ignition switches, provided the battery is fully charged. The first stage uses the 22O ...

Honda Motor Co. says it will recall about 143,083 Fit subcompact cars from the 2007 and 2008 model years to fix a problem that could cause the cars' low-beam headlights to stop working. The car maker ...

Two lamps connected in series with an open switch and a cell The circuit diagram shows a circuit with two lamps connected in series. If one lamp breaks, the other lamp will not light. The current is ...