Question about 1999 Pontiac Grand Prix

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DLR's not on

Started my vehicle up one morning and everything was working ok. My DLR's came on like they always do and seemed to be working. I pulled into a parking space that had reflective glass and noticed that my DLR's were not on. I checked the fuses and the emergency brake and everything was ok there. The fuses were not burned out or anything. Nothing I have tried so far has worked. I took it to my Car dealership and they said that they were not supposed to come on unless it got darker or foggey. That is totally wrong. My DLR's have always come on when I started my car and stayed on until the regular headlights came on at dusk or until I turned my car off. Can anyone out there please give any suggestions. I can't get any satisfaction out of my dealership. Thank You.

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  • brazb May 31, 2008

    DLR's when out. I replaced the lights, checked all the fuses.and still nothing. They are the low beam which come on once it gets dark. The manual states there is a light sensor at the top of the instrument panal that controls these lights. can't seem to find it. Ther is also a Low Beam relay in the under hood fuse box. I planto check that tomorrow.

  • Anonymous Jul 20, 2008

    where is the dlr sensor located ?

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  • Master
  • 291 Answers

Have you tried replaceing your lights? i believe on some cars, the running lights are actually the high beam filament with a low voltage running thorough it, to save the filament. check them, but dont buy it if it dosent need it. check your electrical connections to the lights. but if they were loose, then your light wouldn't come on at all, even at night. i guess it depends on how its all set up. if you have seperate DLR's or ones built into the headlight.

Posted on May 15, 2008

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