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lv-ab: RE: alternator, regulator, etc.

From: Rich, Michael (no email)
Date: Mon Jul 23 2001 - 15:10:40 EDT

  • Next message: Robert Clemons: "lv-ab: wind instrument questions"

    Tom in NC, No I don't think so. It was all smoking pretty good and smelled
    nice too. It's a simple AC/Delco type alternator on a Perkins 4.108 which
    has an internal voltage regulator.

    Is there a AC Delco point of contact on the web that someone would have
    seen? mike

    -----Original Message-----
    From: Tom Meeker [mailto:]
    Sent: Monday, July 23, 2001 3:08 PM
    To: Rich, Michael
    Cc:
    Subject: alternator, regulator, etc.

    Maybe you just burned out the internal voltage regulator and not the entire
    alternator. Or, do you have a voltage regulator that is not part of this
    alternator? I know most alternators today do have an internal regulator
    installed in them.

    Tom in NC
      ----- Original Message -----
      From: Rich, Michael
      To: 'Richard Goodwin'
      Cc: ''
      Sent: Monday, July 23, 2001 1:48 PM
      Subject: RE: lv-ab: Charging Problem

      Dick, Thanks, I'll have to check to see where the alternator sense wire is
      going. The batteries 27 and 4d are sizes. Could taking voltage from one
      starting battery and having it go to the house bank by way of the 1/0
    cables
      be causing a problem? The batteries won't last as long but my food and
      drinks in the fridge will. The batteries aren't wired quite right by the
      P.O. since the no 1 battery will not charge unless the switch is set to
      both. When at both, I have two size 27's and a size 31 and a size 4d
      charging all at once. Could this have burned out the 65 amp alternator if
      the voltage sensing wire is not connected to the largest battery or the
      smallest battery? How should the charge wire from the starter go to the
      1/2-both switch so that the number 1 charges when at number 1 position and
      so on? mike

      -----Original Message-----
      From: Richard Goodwin [mailto:]
      Sent: Monday, July 23, 2001 1:40 PM
      To: Rich, Michael
      Subject: Re: lv-ab: Charging Problem

      Hi Rich,

    > The batteries are
    > connected together with a 2/0 strap from negative to negative but I
    don't
    > see any connection other than the 1-2-both switch which combines the
    > batteries. I would think this to be normal.

      Sounds right to me.

    > I have checked all my books
    > and can't find any good arrangement for this. From the starter a
    battery
    > charging/starting cable goes to the 1-2-both switch.

      So the alternator's output goes to the starter? OK, that works, but is
      there a separate sense wire that goes to the regulator terminal on the
      alternator? If so, where does the other end of that wire go?

      If there isn't one, then the regulator must get its battery voltage
      sense info from its charging output, which isn't as accurate, but would
      only tend to undercharge the batteries, not burn up the alternator.

      Sounds like everything else is workable. The key now is the regulator
      sense wire question.

      Dick

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