Headlight issues

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Runner67

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I have a 2004 I have a 2004 Buick Rainier.Buick RainierSometimes the head lights will come on but not always. I was told to cover the sensor on the dashboard. That doesn’t always work. What are the possible alternatives and how do I repair something like this because suddenly they will stop working while I’m driving at night
 
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2007 Lucerne CXL. and 1995 Lesabre currently, past 1973 Riviera, 1968 Riviera
It's a intermittent problem, light switch, wiring harness, fuses or relays. Do the lights work when the Auto Light is off? Check your wiring harness from the lights back for shorts and that the connectors are clean and properly connected.

Unfortunately there may not be a single answer fix, there may be some one who has this same problem on the forum, hope you find a answer on this.
 
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