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Headlights (dims) don't work, but brights do 98 Outback

Both headlights stopped working, but the brights still do. All other lights work. I checked all fuses having anything to do with lighting according to the manual and all looked fine. I changed the fuse marked for light switch anyway. Any ideas? 98 Subaru Outback Limited 2.5.

It could be that both low beam filaments are burned out. The low beams are the filaments that are most often used. You might not have noticed when one bulb was out and if both bulbs are the same age, the life expectancy would be about the same.

If this isn’t the case, the dimmer switch is one suspect. If you have access to a voltmeter, turn the lights on low beam, put one probe in one connection in the socket and the other on a good chassis ground. Try all connections in the socket. If you get no reading on any connections, then the headlights aren’t receiving power on low beam. If you do get a reading, then the bulbs are the problem.

Thanks, the filaments were burned out.

As medical students are taught when learning the art of diagnosis, “If you hear hoof-beats approaching while you are in the US, think horses, rather than zebras”.

You had a “horse situation”, yet you were seeking guidance to help you find zebras.
In other words, always eliminate the most obvious possibility before looking for something more unusual.