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96 chevy suburban charging issue

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  • July 1, 2012 at 11:00 am #459811
    SuperTechJeff16415SuperTechJeff16415
    Participant

      Did you check your BCM?_x000D_
      _x000D_
      The reason I ask this is because if it only trips it when 2 accys

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    • July 1, 2012 at 11:00 am #459812
      moparfanmoparfan
      Participant

        i cannot fined any chewed up wires anywhere and no signs of any mice ever getting to this vehicle.

        July 1, 2012 at 11:00 am #459813
        SuperTechJeff16415SuperTechJeff16415
        Participant

          Are you handy with a DVOM?_x000D_
          _x000D_
          See if your alt is Spiking by checking the amps

          July 1, 2012 at 11:00 am #459814
          moparfanmoparfan
          Participant

            Quoted From SuperTechJeff16415: _x000D_
            _x000D_
            Are you handy with a DVOM?_x000D_
            _x000D_
            See if your alt is Spiking by checking the amps

            _x000D_
            _x000D_
            that is just what i planed on doing but i have to order one because mine is not able to read that high of amps. _x000D_
            _x000D_

            July 1, 2012 at 11:00 am #459815
            SuperTechJeff16415SuperTechJeff16415
            Participant

              Did you check the resistance for your alternator? for the Accessories?

              July 1, 2012 at 11:00 am #459816
              moparfanmoparfan
              Participant

                what do you mean? i did check the ground resistance at the alternator and body. both was

                July 1, 2012 at 11:00 am #459817
                SuperTechJeff16415SuperTechJeff16415
                Participant

                  I’m sorry, I meant did you check the resistance in the wires from alternator to battery?_x000D_
                  _x000D_
                  If it only pops when 2 accessories turn on… see how long (if it does) take for if the fuse to pop with none running._x000D_
                  _x000D_
                  I’m trying to see if it really does have

                  July 1, 2012 at 11:00 am #459818
                  moparfanmoparfan
                  Participant

                    ohh yea i get 00.00 from alternator to battery.

                    July 2, 2012 at 11:00 am #459821
                    moparfanmoparfan
                    Participant

                      Well i am back to thinking both alternators i put on this suburban is bad with the same problem. i run jumper cables from my dodge to the suburban with that 160amp breaker in between the jumper cables to the suburban. the breaker never poped with EVERYTHI

                      July 2, 2012 at 11:00 am #459822
                      dreamer2355dreamer2355
                      Participant

                        Did you try doing a voltage drop test on the feed and ground side of the charging system circuit?

                        July 2, 2012 at 11:00 am #459819
                        EricTheCarGuy 1EricTheCarGuy
                        Keymaster

                          I commend you on doing such a good job with your diagnosis so far, it looks like you’ve covered quite a bit.

                          July 2, 2012 at 11:00 am #459820
                          moparfanmoparfan
                          Participant

                            [quote]Quoted From EricTheCarGuy: _x000D_
                            _x000D_
                            I commend you on doing such a good job with your diagnosis so far, it looks like you’ve covered quite a bit.

                            July 3, 2012 at 11:00 am #459823
                            moparfanmoparfan
                            Participant

                              yes i did that dreamer with no luck. but i think i have it narrowed down to the real issue. here is what i did. i went and checked out my buddys 96 suburban and turning everything on it would still do the same thing as mine but he still has the factory fu

                              July 3, 2012 at 11:00 am #459824
                              dreamer2355dreamer2355
                              Participant

                                I would just use a inductive amp clamp to test each alternators amp output, then full field the alternator and compare the ampereage._x000D_
                                _x000D_
                                Keep us posted though!

                                July 4, 2012 at 11:00 am #459825
                                moparfanmoparfan
                                Participant

                                  Quoted From dreamer2355: _x000D_
                                  _x000D_
                                  I would just use a inductive amp clamp to test each alternators amp output, then full field the alternator and compare the ampereage._x000D_
                                  _x000D_
                                  Keep us posted though!

                                  _x000D_
                                  _x000D_
                                  i have one ordered!! _x000D_
                                  _x000D_
                                  i did get a ch

                                  July 4, 2012 at 11:00 am #459826
                                  SuperTechJeff16415SuperTechJeff16415
                                  Participant

                                    Question… What motor are we dealing with?

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