Headlamps The headlamps have already clouded up and are very yellow. The rest of the car is perfect. It's only a 2004 but looks at least 10 years old because of the lights.

Year/make/model??? If equipped with twilight sentinal control, you can program the duration of time the lights stay on. Owners manual will give info on programming

There is no relay for the headlamps on your Taurus . The lamps have constant B+ voltage , the fuses supply B+ right to the headlamps . The Voltage then travels to the dimmer an flash to pass switch on the steering column , then to the headlamp switch . When you turn on the headlamps the B+ voltage then goes to ground through the headlamp switch ! Pull the headlamp switch an test for B+ voltage on the red with yellow stripe wire . If you do your switch is bad . Go to www.bbbind.com/ for free wiring diagrams , then go to youtube an check out videos on headlamp not working trouble shooting ! From practical experience I'd say there is a problem with the headlamp switch , but don't guess test !

Headlamps are separate from the rest of lights . The problem could be a wiring issue or a relay or some kind of electronic control module ! It's just one headlamp not working ? , not both . How about low beam or high beam ? I would need to know make , model an year to look at a wiring diagram to see what all is involved to make the headlamps work !

check your relays .

Inside the engine compartment, behind your battery is the fuse box. Open your plastic cover and on the underside you will see the fuse schematic. Look for F16. That is the fuse for your left head lamp. 20 amp yellow fuse.

The fuses location for the headlamps on a 1999 Audi 2.8 A4 Quattro are:
F18 (10 A) - RH headlamp - high beam
F19 (10 A) - LH headlamp - high beam
F20 (10 A \ 15A) - RH headlamp - low beam, headlamp adjustment
F21 (10 A \ 15A) - LH headlamp - low beam, headlamp adjustment

For Audi A4 the fuse box is located on the left side of dashboard behind a plastic cover (for left hand steering wheel vehicle). On inner face of the plastic cover you will find the fuse diagram.

hi from uk the headlamp bulb retaining clip ? if you go visit local breakers you will find the clip you mention on almost any car/model if you know what clip looks like even if the headlamps on crashed cars are broken this clp is still usable and undamaged hope this helps ?

Did you check in the engine compartment.
If you go to autozone or advanced auto parts you can get a book for the car for about 15 bucks

The headlamps are in manual mode. you must change in the computer the option of the headlights to automatic and then check the manual control of the lights that should be in the complete left position with the orange light on.

DIY about $10-15 (headlight is halogen, I think, these are more costly that the old type)
Mechanic about $20-25
If they both are only bulbs that are bad.


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