Question about 2003 Ford Crown Victoria

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Headlights going in and out randomly.

I got a 2003 CVPI and recently my headlights have been randomly turning off and on while I'm driving. I figured it might be due to a bad ground, but I can't say for sure. And just recently my passenger side light blew out. The bulb didn't just die like what normally happens when you got a headlight out. It looks as though it was blown. So I don't know...if someone knows what's up I'd appreciate it.

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  • apr0jectile May 22, 2009

    Thanks for the suggestion. I'ma try that. My battery is in unforgivible condition right now. Got new plugs and wires though. Do you know if subwoofers without a capacitor would contribute to this problem? They are run straight to my battery. I really appreciate your input.

  • jedmond21 May 25, 2009

    I have 2003 crown vic that was once a poliice vic. The problem that I'm having with my vechile is that my headlight are going on & off while driving. Just recently the bright light stop working and just the dim work, but they keep going in and outon dim.I keep having to play with my switch to turn them on. I think that the switch is bad but my park lights still come on. just the other day dim went out and nothing but the park lights come on. If some one knows the the solution please help.

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Was the problem ever fixed and if so what was it? I have a 2003 Merc Grand Marquis that is having that same problem.

Posted on Jul 26, 2009

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100% bad LCM (lighting control module). email to ginolena@sbcglobal.net

Posted on Jun 13, 2009

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Hello, this is probaly an alternator problem. Your alternator is probaly charging to much and sending a surge of power through your system. Autozone offers free electrical diagnostics and you can as well check the voltage of your alternator with a multimeter or a good Haynes or Chilton auto repair manual. I would check this and if this is not the problem email me and I can guide you through a checklist of other possibilities. I would also check your battery condition and cable tightness, your spark plugs and spark plug wires as well. I hope this solves your problem for you!

Posted on May 22, 2009

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