I drive a 1990 Oldsmobile regency My headlights no longer work all of a sudden. My brights still work fine. Why did this happen?
Also, the window up/down button on the passenger side no longer works too. I don't know what's going on please help!
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If both headlights cease to work at the same time, this leads us to the idea that the fault is probably not in the bulbs, but in some part that is on a common path between the electrical supply and the lights. Some points you could take a look at are:
You say your power windows have also failed at the same time. This could also very easily be related to a blown fuse. So my first stop in diagnosing this would definitely be the fuse box. If it is just that, then you are lucky since fuses are cheap!
Hope this helps.