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#1
10-23-2007, 12:33 AM
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Batt. discharge and Alternator fix
Recently, I was having alternator problems and a severely discharged battery. I checked DC volts and showed 12.6VDC and AC showed virtually zero. So I thought it must be the voltage regulator...........Almost.
When I pulled the regulator, the visible metal surfaces were covered with a very thin green corrosion. After cleaning the portion of the regulator that grounded to the alternator housing and reinstalling, I now have 13.8 VDC and bright headlights! The alternator sits low on these cars so this may be common. A little cleaning may save you $20 and valuable time. 
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Sam 84 300SD 350K+ miles ( Blue Belle ) 
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#2
10-23-2007, 12:39 AM
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Hmmm... this is amazingly pertinent to me right now as I noticed a problem with battery drain myself today.
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1979 240D w/4 Speed Manual, Light Blue Estimated 225-275K Miles - "Lil' Chugs"
Sold but fondly remembered: 1981 300TD Turbo Tan 235K miles, 1983 300SD Astral Silver 224K miles
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