You might have worked on the radio and forgot to replug in the 'lights' button on the center console.
If the headlights are not working correctly on a 1990 Corvette, the fuses or lights could be going out. Replace the old fuses and check that all wires connected to the lights are functioning correctly.
Flickering headlights on a 2005 Silverado may be caused by faulty relays or electrical wiring. The fuses and lights may also be going out.
Yes. I have a Yamaha SR 125, 2000 model and it has headlights, indicator lights and brake lights. It also has a light behind the speedo so you know the speed you are going when it is dark.
your alternator is going bad
The headlights of a Ford Windstar may have problems going on if they are burnt out or if there is a wiring problem. Blowing a headlight fuse will also lead to both lights not working.
the dimmer switch is going out if you are experencing that.
You might have automatic lights. The sensor is on top of the dash on the left side. If you have that there is a switch to turn it off.
It is important to know what is going on inside of a vehicle. The headlights dim when a stereo is turned on or turned up because power is being drawn away from the lights to the stereo.
Bad socket? Bad ground? Problem in steering column switch?
You may see the headlights and dash lights flicker at an idle. You may hear unusual noises coming from the alternator when the engine is running.
The switch for your lights is probably going bad or is dirty, you may also have a loose wire or connector. Find some way to spray WD40 inside the dash dimmer switch may help a lot.
It might be either the fuse if its just the dash lights. Or if you're noticing the headlights are starting to go out as well the switch may be going bad and need replacement.