check it for loose connections
check for loose connections or to see if the bulbs are loose also
Most all cars do not have a fuse for the headlights.
Sounds like a blown fuse in the dash, no biggie, just take it in and it should be a quick fix Wiring harness has come loose, blown bulbs, or bad wire.
Look for a loose or corroded ground wire. Also, with the headlights turned on, make sure that you have 12 Volts at the bulb socket. If you don't, and the fuse is good, it means that you have a broken wire or a loose or broken connector somewhere.
Your wire connection to your headlights from your fuse box might be loose or broken somewhere. Try running a jumper wire from your headlights to the fuse box. If the headlight work when you try this, then your wiring has an open circuit and needs to be replaced, or fixed.
The fuse isn't your problem... it's your wiring. Either a shorted wire or a loose ground.
The headlights do not have an external fuse. The underhood computer (FCM) has internal fusing for the headlights.
Short in the wiring.
The headlights in the Ford F150 may have stopped working due to a bad fuse or bulb. Check these and if it doesn't fix the problem visit a mechanic.
If the headlights on the 2004 GMC Envoy are not working, there could be a loose connection somewhere. If all of the other lights are working, it is most likely not a fuse that has blown. Double check the wiring to see if there is a loose connection.
There is no fuse. Headlights work on a circuit breaker.