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Flickering Headlights

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Old Jan 13, 2007 | 11:32 AM
  #1  
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zleehw
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Default Flickering Headlights

Quick question for all of you out there.

I have a 1997 and I am having a small situation..at night when my headlights are on and I hit the brakes my lights dim slightly and then come back up to full brightness. It is not enought to make the raod dark but it is noticable. And I see the flicker in my dash lights.

My charge gauge is at normal and the dash display says 13.8 volts, so please shed some light on this for me.
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Old Jan 13, 2007 | 11:38 AM
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Similar thing happens to me, except the lights dim briefly without stepping on the brakes..
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Old Jan 13, 2007 | 11:42 AM
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From: Latrobe PA
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Originally Posted by TomZ
Similar thing happens to me, except the lights dim briefly without stepping on the brakes..
Me too! Its those gremlins again!
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Old Jan 13, 2007 | 11:46 AM
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Default So ???

You have the problem without brake involvment....Have you had any diagnostic done to find the prob..or has it always happend?
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Old Jan 13, 2007 | 11:52 AM
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From: Latrobe PA
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It's always happened. Not every time but I do notice it once in a while. Never really worried me. Maybe it should. Will wait to see what others think!
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Old Jan 13, 2007 | 11:53 AM
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From: Gilbert AZ
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Originally Posted by zleehw
You have the problem without brake involvment....Have you had any diagnostic done to find the prob..or has it always happend?
I just noticed it for the first time last week. I haven't done any trouble-shooting yet (since the roads are too crappy to take it out right now).
If it happens more in the spring then I'll try to get it figured out..

Anyway -- I don't want to hijack this thread from the original poster..
I wonder what could cause the problem when stepping on the brakes..?
Bad battery maybe?
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Old Jan 13, 2007 | 12:00 PM
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From what I understand they all do it. It's just a momentary slight dim and returns to normal afterwards.

Every C5 owner I've spoken to has mentioned this.

Falls into the same category as hearing the noise when shutting the engine off in a M6 without the clutch depressed.
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Old Jan 13, 2007 | 12:04 PM
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Clean and tighthen your battery connections. Do not use more than 11 ft-lbs or your battery could leak.

If this doesn't fix it, clean your grounds. I believe the ground for the headlights is located on the passenger fender, it is a plastic connector.
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