There are two relays in the Central Junction Box under the hood for the auto lamps. Both fed by the same fuse. One is for the park lights and the other is for the headlights. Sounds like the headlight relay is bad.
They are cheap if you don't get OEM. Go to a store that sells fog lights and use one of those relays. Usually under $10.
For how long have you been using that 2000 ford Taurus auto light of yours?Well, I have the same problem with my car particularly the GMC headlight. Since, you have already reviewed all the fuses, I think its time to replace the..
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