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Loose battery or alterator connections

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16y ago
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Q: What causes gauges and headlights to blink on a 2000 buick century?
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Why does the turn signal blink when the headlights are out but not when the headlights are on?

That can happen when there is a bad ground to one of the lights.


What causes ford transit headlights and tail lights to blink?

I've heard that if you have an automatic light switch sut-off switch and are having problem with your headlights flashing like a police car, it was caused by the cars computer.


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Normally the blinking on and off indicates there is a broken switch, broken wire, or a piece of bare wire. First, I would test the switches.


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