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Interior lights strobe while running

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Old Jun 26, 2007 | 12:37 PM
  #1  
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Interior lights strobe while running

Last month I replaced the alternator on my 1999 Expedition 5.4L, because the light was coming on at high RPM. Now I notice that while the engine is runnning at idle and the door is open the the interior and running board lights strobe. This doen't happen all the time. I took the alternator back and auto part store had it tested and they said that the alternator is good. The battery is about 3 years old. All the connections are clean and tight. Anyone have any ideas or thoughts?
 
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Old Jul 15, 2007 | 10:04 PM
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amish77
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Not sure what the deal is, is there anything up with the housing that the bulbs attach to? Maybe there was a crack or something in that.
 
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Old Jul 16, 2007 | 06:53 AM
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auto part store replaced the alternator and that took care of the problem.
 
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Old Jul 22, 2007 | 09:00 PM
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Nice, probably the voltage regulator then. They're integrated into the alternator these days.
 
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