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Why do my high voltage light keep coming on

(1994 Cadillac DeVille)
in Chicago, IL on September 18, 2012
when ever im driving the car my high voltage light comes on each time it do it blow out somthing in the car blow motor, lights, radio and other things what do i need to fix or repair to stop this problem.
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Popular Answer
on September 18, 2012
try to check your alternator and battery.your local parts store will test them for free.
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