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  #1  
Old 04-14-2011, 12:21 AM
PanzerSD's Avatar
Schießenstern
 
Join Date: Jan 2006
Location: Saskatchewan Canada
Posts: 2,351
Alternator symptoms

Not a critical issue...

In my SEL, I'm running an older 55A Alternator, with a 14.4V regulator.
That alternator originally had a 13.8V regulator. Since around about the time I was having some repeated alternator issues, a 'flicker' had developed visible in my instrument lighting. If I turn the car off, then turn on some accessories, lights, whatever, to drain the battery a little, once the car is started, that flicker isn't there.

My Theory: The Regulator is fluctuating between it's on and off points, causing a voltage spike causing the flicker, because when the car's been again running for a while, the flicker returns, I assume when the battery is recharged and the fluctuating begins again. It's also speed variable with engine RPM.

I welcome any other possible ideas. Otherwise I managed to survive the winter just fine

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  #2  
Old 04-14-2011, 01:57 PM
Brian Ostosh
 
Join Date: Mar 2007
Location: San Diego
Posts: 504
Wiggle the rheostat which controls the instrument lights,
check flicker. That works on W111 and W108.

14.4 V is a little on the hot side ?

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