[DML] Charging Problems

["John Poland" <jpoland13@xxxxxxxxxxx>]

I'm having a problem with my charging system and can't figure out what 
it is.  Sitting still the car charges fine -- 13.5-14 volts at any 
RPM.  As soon as the car starts moving the charging system starts to 
jump around anywhere fromm 13.5 - 8 volts.  As far as I can tell the 
belt is not slipping (at least not when the car is still at anywhere 
from idle to 5000 RPM), the alternator and voltage regulator have been 
tested and are fine.  Ground straps have been checked and cleaned.  It 
is not the gauge, lights dim when voltage goes down.    The only other 
thing that appears to be wrong is the fan fail.  It comes on when 
needed but doesn't turn back off until the car is turned off.  
Related???  

The alternator is a 105 amp GM and has been working great for months 
(until after the problem with the fan fail started).

Please HELP!!!!!
John Poland
05935








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