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Replaced bad alternator.new alternator was missing voltage regulator.used old

(1990 Mercedes-Benz 560SEL)
in Orange, CA on March 22, 2012
one, now car wont start.
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Popular Answer
on March 23, 2012
I recommend never using "used" electrical parts on any vehicle,alway get one from a par ts store,you never know what condition the used one is in,or how long it will work,or in your case, what might be missing from the used part.
on March 20, 2013
Replace voltage regulator. About $15-$25 part. 5-10 minutes to replace. A simple DIY job actually. Always use a new voltage regulator. It is strange the new one didnt come with one as they usually do, at least the OEM ones.
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