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Q:

car was idling,headlights started going off and dash lights brighten. what's up? on 1997 Buick Park Avenue

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
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?
(2) Answers
Have the headlight switch and the wire connector to the switch checked for signs of arcing (blackened terminals) or melted plastic.
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Would suggest have your alternator tested - sounds like the regulator is having a bad day. Overcharging the electrical system.
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