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I was wondering if i installed a HO alternator if it would actually increase the amperage, ive been told that it will and ive been told that it wont bc the PCM regulates the amperage, if anyone has any evidence either way please share, bc i dont wanna waste 400 bucks for something that wont help
 

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May I suggest this read:

Excessive Amperage - high output alternator group buy !

Also, there is a video (or videos) floating around on youtube of a Mechman (I think) alternator "upgrade" where voltage magically rises on his LX. Dont believe the hype. The guy had a defunkt alternator and all he did was replace it with a "new" working one. If someone tells you that it will actually do something, just ask for some factual data. It doesnt take that long to provide data but he or she may not like the facts:)
 
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