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Thread: Auto lamp

  1. #1

    Default Auto lamp

    The auto lamp feature is inoperable on my 97 Marquis it acts only as a headlight switch. Any thoughts or ideas would be appreciated.thank you

  2. #2
    Beater gonna beat sly's Avatar
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    possible dead sensor or dead relay or bad wire from the switch or bad switch (not enabling the autolamp in the first place)... or fuse.

    Only two things are infinite, the universe and human stupidity, and I'm not sure about the former. -- Albert Einstein
    rides: 88 MGM (SOLD), 93 Vic, 2000 Crown Vic, 2003 Expedition
    Quote Originally Posted by gadget73
    ... and it should all work like magic and unicorns and stuff.
    Quote Originally Posted by dmccaig
    Overhead, some poor bastards are flying in airplanes.

  3. #3

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    Any way I can tell or test?

  4. #4
    Beater gonna beat sly's Avatar
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    Check the fuses first. That's the easiest fix/test. If a fuse is blown, there may be other trouble. Just remembered that the 97 has an LCM (Lighting Control Module). I don't have the testing procedure for the 97 though. I have it for 2000. Not real sure if that will be helpful, though since you need to be able to read the body computer to pull codes and monitor PIDs from the LCM. If you have a USB to OBD-II connector (ELM 327) and a Windows laptop, ForScan (Google it, should be first hit) should be able to read that info. Otherwise you'll need to just to the electrical tests that involve a multimeter.
    PDF

    Only two things are infinite, the universe and human stupidity, and I'm not sure about the former. -- Albert Einstein
    rides: 88 MGM (SOLD), 93 Vic, 2000 Crown Vic, 2003 Expedition
    Quote Originally Posted by gadget73
    ... and it should all work like magic and unicorns and stuff.
    Quote Originally Posted by dmccaig
    Overhead, some poor bastards are flying in airplanes.

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