Question about 1999 Ford Crown Victoria

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Flashing headlights my 1999 ford crown vitoria headlights after about a half an hour of night driving begin to flash on and off. I have played with the swith and the turned and beat on the dash with no effect. And then they will start working again. Then another ten minutes down the road and it starts again. The running lights and turn signals are not affected. I have looked for a ground short with no success. I can hear what appears to be a clicking relay when this occures coming from behind the heater control. But as of yet I have not been able to locate it. During cold weather they work fine but in the spring when the weather begins to warm up it starts again.

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It sounds like the LCM (Lighting Control Module) which is a black box located directly above the gas pedal has a burnt relay inside of it. You can either have the box replaced which is costly or take the box to an electronic repair shop and have them replace the relay inside of it. If you know how to solder you can do the job yourself, you just need to buy the right replay from a parts store.

I would recommend to purchase the relay from. You may need to take the LCM apart first and give them the numbers on the relay so they can get you the right one.

Posted on Apr 22, 2009


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Posted on Jan 02, 2017


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