Question about 1991 Ford LTD Crown Victoria

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Headlights randomly turning on and off,

My headlights after about 20 min of driving will start to blink on and off for about 2 min then go back to normal for another ten then repeat the same cycle, over and over. i have no idea what is makeing this happen

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  • Jordan unger Mar 19, 2009

    Mine is doing the same thing it will be fine then all the sudden the high beams keep blinking like a lose wire but you can hear a click from an automatic switch as it blinks. this all started after converting the sealed beam to hollow headlights. I think it's the headlights drawing to much power through the switch intern cause's it to overheat. I will let you know if I find the problem

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With lots of the early 90's vehicles headlight malfunction can be caused by a disfunctional alternator either you may need to replace the alternator or sometime what can happen is the belt may be to loose if its not either of these you may just need a new battery

Posted on Jan 18, 2009

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