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Flickering lights

Tiny
MYFORD98
  • MEMBER
  • 1998 FORD EXPEDITION
  • V8
  • 4WD
  • AUTOMATIC
  • 93,000 MILES
98 ford expedition 4.6 liter 4x4 - all lights flicker when vehicle is cold after about half hour when engine is warmed up the lights stop flickering. Is it the altinator or voltage regulator or amps not the correct amount.
Saturday, December 18th, 2010 AT 1:45 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,230 POSTS
I would suggest having the alt checked when it is cold and the problem is happening. However, something tells me you have a weak or bad ground. If the alt checks out good, make sure body grounds are good. Check to make sure battery terminals are clean and tight. Make sure the main ground to the engine block is tight and chean.
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Friday, February 11th, 2011 AT 4:17 PM

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