Late IIA six cyl charging issue

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  • 109sixer
    Low Range
    • Apr 2007
    • 31
    #1

    Late IIA six cyl charging issue

    Hello,

    I have a 1970 IIa with AC Delco 63 amp altenator upgrade. It was
    working fine till last night. I've been hearing a sound from the firewall
    area resembling a intermittent scraping. I believe there is a relay
    that regulated charging in there somewhere that has gone bad. I'm
    pretty sure it's not the voltage regulator that is screwed to the firewall?

    Anyone have a similar problem? Fixes? Ideas?...before I go rplacing parts.

    I can run the car of the battery till the charge drops to low..i.e. the battery
    is not being charged and the altenator works.

    cheers.
    Tags: None
    • jp-
      5th Gear
      • Oct 2006
      • 981
      #2
      Well, I'm pretty sure the alternator has it's own internal regulator. Which means that there should be no relay or anything in the circuit. (Some of the older alternators do have external regulators, but you wouldn't want to use one of those.) Not sure what the scraping sound would be, but you should have at least 14 volts at the battery with the engine running if the alternator is working.

      You should probably just pull the alternator and take it to an auto parts place and let them check it.
      61 II 109" Pickup (Restomod, 350 small block, TR4050)
      66 IIA 88" Station Wagon (sold)
      66 IIA 109" Pickup (Restomod, 5MGE, R380)
      67 IIA 109" NADA Wagon (sold)
      88, 2.5TD 110 RHD non-hicap pickup

      -I used to know everything there was to know about Land Rovers; then I joined the RN Bulletin Board.

        Comment

        • 109sixer
          Low Range
          • Apr 2007
          • 31
          #3
          I did pull the Alternator and had it checked...works fine. I believe that the
          problem is that the brushes are sticking when it gets hot.
          I had this problem before with my FJ60.

          I'm going to look for a replacment ALT or new brush kit....
          AC Delco Alternator Model SI-10. Anyone know where I can get
          replacement parts for these? Or would it be better to just get a whole
          new one?

          Thanks.

            Comment

            • jp-
              5th Gear
              • Oct 2006
              • 981
              #4
              Better off to exchange it for another. Not worth the rebuilding effort, and they shouldn't be that expensive. My 2 cents.
              61 II 109" Pickup (Restomod, 350 small block, TR4050)
              66 IIA 88" Station Wagon (sold)
              66 IIA 109" Pickup (Restomod, 5MGE, R380)
              67 IIA 109" NADA Wagon (sold)
              88, 2.5TD 110 RHD non-hicap pickup

              -I used to know everything there was to know about Land Rovers; then I joined the RN Bulletin Board.

                Comment

                • Donnie
                  2nd Gear
                  • Apr 2007
                  • 287
                  #5
                  The 10si is internally regulated and easy to rebuild. I would check with your local alt. shop. unless you are way out in the boonies somewhere.. I have all the parts that U will need if you can't find them locally, let me know if I can help..............Donnie
                  I spent most of my money on women & cars, the rest of it I just wasted.......

                    Comment

                    • 109sixer
                      Low Range
                      • Apr 2007
                      • 31
                      #6
                      I ended up going down the hill to my local Alternator shop...

                      Alternators Unlimited. 1464 San Pablo Ave, Berkeley, CA 94702 Map, +1 510.527.7773 ...I highly recommend these guys!

                      They sold me a new regulator and brushes for 12.00.
                      I replaced the parts and it works like a charm now.


                      Thanks everyone.

                        Comment

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