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Old 08-14-2000, 01:30 PM
stevebfl stevebfl is offline
Join Date: Mar 2000
Location: Gainesville FL
Posts: 6,844
Your alternator should have a rating label on it. US cars had a couple different alternators on different 123 body cars. They usually were rated 55 or 65 amps. These actually were real POS alternators. They commonly only produced 50% of rated power at idle. If the A/C is on the blowers alone take 30amps or more. Many MB models through the eighties had the same problem.

They are now using alternators with outputs over 100amps and they get 90% of rating at idle.

The brush number from Bosch is either short # 11 011 or long number 1 127 014 011. We never replace just the brushes as they come attached to the regulator and with extra labor you might as well replace the regulator bruch holder.
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