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Car was idling,headlights started going off and dash lights brighten. what's up?

(1997 Buick Park Avenue)
in Elberton, GA on November 16, 2013
This happened repeatedly one night, many times, then several weeks later instrument lights brighten while driving. Was scared headlights would shut off. What could this be?
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Popular Answer
on November 16, 2013
Have the headlight switch and the wire connector to the switch checked for signs of arcing (blackened terminals) or melted plastic.
of G. T. Service Center on November 16, 2013
Would suggest have your alternator tested - sounds like the regulator is having a bad day. Overcharging the electrical system.
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