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AC ripple Testing

Posted

Can  I Test for AC ribble with my Fluke multi meter?

 

My local Alternator/ starter repair shop can check it again but I have to remove my alt. from my truck because he only does bench testing

 

He also said there will always be some slight AC ripple.  Is that true?

 

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Edited by GSP7

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  • Mopar1973Man
    Mopar1973Man

    Design strictly for the Denso alternators on the Dodge Ram truck. I'm not sure of any other applications it might fit. 

  • dave110
    dave110

    At the alternator. Reason it's lower at the batteries is the batteries are acting like a filter and soaking up some of the AC.

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Where should you take the AC voltage reading, at the battery terminals or the alternator + stud to case? On mine the measurements at the alternator are much higher than at the battery.

At the alternator. Reason it's lower at the batteries is the batteries are acting like a filter and soaking up some of the AC.

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