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  • Alternator Dead...please help

    Hey guys, got a problem. Finished my install about a month ago and everything has been working perfectly. 2 nights ago i'm driving back home an my PC powered down and wouldn't turn back on. About 25-30 more minutes of driving I notice my dash board lights are really low. Next thing I know, my car shuts down and I have to pull over. I get a jump start form triple A and drive for another 20 minutes and the same thing happens again. It seems after getting a jump my car has been running off the battery and not the alternator. Spoke to a mechanic and he told me the alternator is dead. I told him I installed a PC a month ago and he said that shouldn't have caused the alternator to die, not within a months time anyway.

    So the question is, has anyone ever had an alternator die after installing their Carputer? I doubt its from that, I just wanna be cautious from now on. My car is near 100K miles and i'm pretty sure thats about the right amount of time for a new alternator. I'm running a P3 with about a 120 watt PS, a 600 watt amplifier and a 150 watt Bazooka bass tube.

    Can anyone confirm if they've ever killed an alternator with their PC install? I've tried searching the site and there are no posts of anyone mentioning my problem.

    Thanks in advance.

  • #2
    It should not kill your alternator.

    The only way you're going to kill an alternator is if you're trying to pull the maximum current draw that the alternaor is rated for over a long period of time.

    Running a computer will never do it, not unless you're talking about a few thousand watts of a computer.
    Jan Bennett
    FS: VW MKIV Bezel for 8" Lilliput - 95% Finished

    Please post on the forums! Chances are, someone else has or will have the same questions as you!

    Comment


    • #3
      Whew, thank god. New alternator gets installed and i'm glad I have nothing to worry about. So this little mishap is just basic wear and tear I assume?

      Comment


      • #4
        Possibly.

        Before you go off and buy a new one, have yours tested.

        Take your car to a local auto-parts store. They usually test for free.
        Jan Bennett
        FS: VW MKIV Bezel for 8" Lilliput - 95% Finished

        Please post on the forums! Chances are, someone else has or will have the same questions as you!

        Comment


        • #5


          It probably just needs new brushes. Depending on the type of alternator, it shouldn't be that expensive to fix.
          Never let the truth get in the way of a good story

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          • #6
            Ive had an alternator die, but I overloaded it. While waiting outside walmart, we powered a huge flat screen plasma, surround speakers, 5 laptops, 3 space heaters, and a few lights all off my little honda. Within a day or so, it was toasted. But well worth it.
            Fusion Brain Version 6 Released!
            1.9in x 2.9in -- 47mm x 73mm
            30 Digital Outputs -- Directly drive a relay
            15 Analogue Inputs -- Read sensors like temperature, light, distance, acceleration, and more
            Buy now in the MP3Car.com Store

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            • #7
              Toaster,

              you are
              Never let the truth get in the way of a good story

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              • #8
                Originally posted by meddler View Post
                Toaster,

                you are
                We had to do something. It was 30F at nights, and got up to 50F in the daytime and we were in tents for 2 and a bit days. 10 people in a mega 8 person tent. Walmart wouldnt let us use their power, but after the first night of my car being on the whole time powering everything we decided to just unplug the vending machines and run extension cables to the tent. I am not sure if we plugged them back in, but if it snows outside, then the vending machine doesnt need self-refridgeration!
                Fusion Brain Version 6 Released!
                1.9in x 2.9in -- 47mm x 73mm
                30 Digital Outputs -- Directly drive a relay
                15 Analogue Inputs -- Read sensors like temperature, light, distance, acceleration, and more
                Buy now in the MP3Car.com Store

                Comment


                • #9
                  Originally posted by RedGTiVR6 View Post
                  Possibly.

                  Before you go off and buy a new one, have yours tested.

                  Take your car to a local auto-parts store. They usually test for free.
                  Eh, too late. It gets installed today while im at work. Thanks for the advice though.

                  Comment


                  • #10
                    Originally posted by 2k1Toaster View Post
                    While waiting outside walmart
                    For? I mean, the constant parade of human waste shuffling in and out of our local Walmart is....somewhat amusing, but I wouldn't plan a cookout around it
                    I have too much time and too little aggravation in my life, so I built a carPC. ;)

                    Comment


                    • #11
                      Originally posted by hithere View Post
                      For? I mean, the constant parade of human waste shuffling in and out of our local Walmart is....somewhat amusing, but I wouldn't plan a cookout around it
                      The PS3 what else?
                      Fusion Brain Version 6 Released!
                      1.9in x 2.9in -- 47mm x 73mm
                      30 Digital Outputs -- Directly drive a relay
                      15 Analogue Inputs -- Read sensors like temperature, light, distance, acceleration, and more
                      Buy now in the MP3Car.com Store

                      Comment


                      • #12
                        Originally posted by lexdiamond20 View Post
                        Eh, too late. It gets installed today while im at work. Thanks for the advice though.
                        Assuming since it was done while you were at work, you had a shop install it. Hopefully they diagnosed the problem before just replacing the alternator. A good shop should test the alternator, battery, and the wiring in between. I just burned through a lot of hours trying to diagnose a charging problem in my Volvo and none of the parts places around here could bench test my Bosch alternator. So I went ahead and just bought another ($220), but it didn't solve my problem. It was a problem with the wiring. I am now the local expert on troubleshooting charging systems.
                        ---------------------------
                        Dan from Minneapolis
                        1999 Volvo V70R
                        Jetway J7F2WE2G, USB Creative Soundblaster, RoadRunner, Holux BT GPS, 3M Capacitive Lilliput, etc.

                        Comment


                        • #13
                          Originally posted by darag2358 View Post
                          Assuming since it was done while you were at work, you had a shop install it. Hopefully they diagnosed the problem before just replacing the alternator. A good shop should test the alternator, battery, and the wiring in between. I just burned through a lot of hours trying to diagnose a charging problem in my Volvo and none of the parts places around here could bench test my Bosch alternator. So I went ahead and just bought another ($220), but it didn't solve my problem. It was a problem with the wiring. I am now the local expert on troubleshooting charging systems.
                          Meh, its done now. Car works perfectly, just having a lil problem with the PC. Thanks for all the help guys.

                          Comment


                          • #14
                            I'm not sure about Nissan but my Toyota when the alternator about going south, the brake, light failure, seat bell, check engine lights all come on at once.
                            A lazy way of diagnosis the alternator is remove the + battery terminal when the car running. If it die, the alternator is bad. If not, something else. Not the best and safe method but it works.
                            2004 Matrix XR A7N8X-VM/400 AMD XP-M 2500+, DS-ATX
                            89 Supra Turbo P3 [email protected]/Abit BE6 II, Alpine M-BUS Car2PC.
                            Y2K Accord Dell GX150
                            RoadRunner is the best FE PERIOD
                            EmoRebellion is a SCAMMER

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                            • #15
                              Originally posted by MatrixPC View Post
                              A lazy way of diagnosis the alternator is remove the + battery terminal when the car running. If it die, the alternator is bad. If not, something else. Not the best and safe method but it works.
                              Yeah, not the best way especically on newer cars. Removing the battery cable can cause very high voltage spikes and ruin the alternator or other electronics.
                              ---------------------------
                              Dan from Minneapolis
                              1999 Volvo V70R
                              Jetway J7F2WE2G, USB Creative Soundblaster, RoadRunner, Holux BT GPS, 3M Capacitive Lilliput, etc.

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