1990 Ford Mustang "brights work dims dont" Questions

...dont work.. 90 mustang gt Have you tried turning the dimming knob (usually a small knob sticking out of the instrument guage face, or a roller type switch next to the light switch) back and forth. ...

...work and brights are not bright on my truck the dims do not work when i turn them on the parking lights and turn signal works but not dims and the bright lights are not very bright you can barely see ...

work on dim but they do brights i changed the headlight switch and @ fist I had dim then i switched to check if i still had brights i did but i switced back to dim and they r not working what is wrong

Brights not turning off and dims not coming on all the way The brights are on and will not shut off. The drivers side dim light comes on but not the other. The indicator on the dash also just goes dim

...work I have to 2002 Grand am gt and the headlights seem really dim the brights symbol on the dash stays on wether or not the brights are on and when the brights are turned on the headlights are even ...

brights work only. The day time running lamps dont work either. Have tested the headlight with 12v and they work. The testlight came on when the brights were on and not for the dim. Is this the switch

dont work at all,'98 Toyota Tacoma. All other lights work. I have not found the fuse for the running lights in the the engine area fuse box or driver side dash box. A mechanic mentioned a relay behind

brights work and the dims dont then that means no electricity is getting to the dims so i decided to bridge the power from the bright headlight to the dims and it made all four work. now they all work

this before......both globes dont work, and i diagnose for 2 hours, and find that I have both globes blown....because 1 globe does 2 circuits, the bright ones could work, but the parklights fail......

dim lights dont work brights lights work but dim lights dont work If you're sure that both dim side of the bulbs are good.could be a bad dimmer switch or broke wire.