i Checked the fuses for my headlights high and low but none are blown. I turned the headlights on and with a fuse checker lit up while checking the headlight high and low fuses.. I also notice when I turn my headlight on that the dashboard light will dim out,. But the headlights will still not come on . Is it a relay, headlight switch or a wiring problem . Plz help.What is my problem ?

Are the headlight bulbs simply bad?

the headlight bulbs are good