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Old 03-24-2011, 06:59 PM
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Alternator upgrade

Will installing a 65A regulator on a W123 55A alternator increase the amperage, or does the alternator itself need to be changed to gain the increase?


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Old 03-25-2011, 10:00 PM
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Location: brisbane,Qld.Australia
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It's easier to fit the larger amp alternator because it has larger field coils. It bolts in . Make sure the red power cable is in good condition though,that extra 30 amps will fry the connections pretty quickly if they are the least bit dodgy..
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Old 03-27-2011, 08:09 PM
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Location: Nova Scotia, Canada.
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Alternator output amps is a function of the alternator not the regulator. The regulator basically just controls whatever output the alternator was designed to delliver.

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