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Complete newbie to computer car audio

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  • Complete newbie to computer car audio

    Hello all

    Hope 06 is a good year so far. i have looked and looked cant find the answer so maybe i can get it from you guys. Im trying to connect my laptop to my head unit with my laptop which i can do with no problems ill explain in detail.

    I have a pioneer premeir with my xm radio connected to itusing the hard wire kit. basically i have a y cable that is going connected to the xm plug then its connects to a special adapter that then connects to the stereo. its not using rca's i believe its the optical way i could be wrong thro cant remeber exactly. i thought about if i pull the y cable connecting the xm and plugged it to the the head phone jack it would play and it does sounds great heres where my problem comes in i have a power inverter that i plug the laptop into and the second i turn it on i get alot of noise thru my speakers but when i turn the inverter off its fine again. problem im assuming is the inverter is interferring some how so my ? is whats the fix for this.

  • #2
    forgot to add

    sorry guys forgot to say this i found this http://www.mp3car.com/vbulletin/showthread.php?t=42947 but there was no reply if it was fixed or not.

    when plugged into the inverter i get a constant noise does not get louder when the rpm's go up im thinking i need to reground the lighter and tips on how to go about it step wise. crosses fingers and hope that its only a ground wire from the lighter

    thanks

    Comment


    • #3
      I think proper grounding will certainly help the problem. I don't know if it will completely resolve the problem. It might.
      Have you looked in the FAQ yet?
      How about the Wiki?



      Under normal circumstances, a signature would go here.

      Comment


      • #4
        Same problem

        ok well i regrounded the lighter without the situation being resolved. I thought for a min and ran a extension cord from the garage to the laptop to see if that would temp correct the problem and what do you know it did the same thing interfearance. Any suggestions would help now.

        Setup is simple

        pioneer premier 860mp
        enternal xm display hard wired using one of these CD-RB10 ip bus also have a 4 channel amp connected.

        what i do is plug the laptop into the xm y cable and all works fine until i plug the laptop into the lighter or now in a test case a power source in general. lighter or extension cord from home power still causing bad interferance until the power is is unplugged then no noises and crisp and loud as ever

        i would appreciate some routes to go to eliminate this noise as im on the road alot and having a good dvd is nice to watch with the power plugged in

        Thanks alot guys hope i gave enough to start some where

        Tom

        Comment


        • #5
          darquepervert thank you for your response seems that this issue has occured with many but without any resolution there for i have given up on the idea due to lack of knowledge on using pc's in cars. And thanks to all that have read this post

          Have a good one all be safe

          Tom

          Comment


          • #6
            hey, a good idea is modifiying yoru inverter and running it through is distribution block. Make sure its grounded (the block). Seriosly, don't give up. Its teh exploration and trail blazng that makes this project so worth while. The end result will be so worth it.
            Carputer Progress: Here we go again...

            THE GF THEME
            Genesis has speed
            Genesis has class
            Genesis sent money
            before your a__;)

            Join the fight against carputters. EMAIL ME!

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            • #7
              Give up, HA HA....

              how do you connect your laptop to the Y cable?? with a headphone jack style plug?

              From what you tell us.... i know a VERY simple fix....
              Get a ground loop isolator off ebay for $10... go to radio shack and get the proper connectors to convert from 1/8" jack to RCA... then from RCA back to 1/8" for the y cable.... put that inbetween the Y cable and your laptop...

              If you don't wanna wait, you could probably pick up a ground loop isolator at any car audio shop.

              What these do is simply remove all the electrical signal from your audio cable and only allows the audio through, works like a charm. I have a couple in my car, had horrible interference, now it's crystal clear.

              Basically you are getting interference from your laptop, and sending that through the audio cable... this will fix it. HOORAY!

              Comment


              • #8
                VitalRyan
                I went out and got the items you sugeested 1 ground loop isolator 1 connectotr for the 1/8 jack and 1 1/8 to rca connected it in between the y cable and laptop and still got the noise coming out when i plug the laptop in. Any other ideas.

                and thanks again for the inspiration to not give this up cause i hate being beat by something humans made

                Comment


                • #9
                  reground your headunit... most good car audio places will not use your stock ground wire to ground a high end hu. find some metal, sand it down and run a new ground. may or may not fix the problem, but easy enough to give it a shot. if you dont have a multimeter, i suggest you invest in one... you will find yourself using it a lot. gl.

                  Comment


                  • #10
                    Head unit has been regrounded and still same Annoying fly buzzing in the speaker

                    Comment


                    • #11
                      i lost my post in a power outage. Did you ground the inverter? It seems as if when you run ungrounded power (i'm assuming your lapotp power plug has 2prongs, not 3) it creates a ground loop. If its not that, then i'm at a loss man. I wouldnt' give up still though:-).
                      Carputer Progress: Here we go again...

                      THE GF THEME
                      Genesis has speed
                      Genesis has class
                      Genesis sent money
                      before your a__;)

                      Join the fight against carputters. EMAIL ME!

                      Comment


                      • #12
                        well, when you unplug the audio cable from your laptop to your Y cable, is the sound gone?

                        If yes, you already tried the isolator... so maybe try making sure your microphone is muted as well as line-in... thats a common mistake.

                        Comment


                        • #13
                          here's an idea

                          Go on ebay
                          research audiocontrol.
                          find a crossover that you like.
                          Bid to win.

                          They come with built in ground loop killers that you can set yourself. It will be a month before i set mine up, so try it and see. In the end, you'll gain a high quality crossover that will make your music sound better anyways. I'l sure other companies have somethign like it, but htis kills the groundloop before it gets to your speakers and they'll help you set it up if it doesn't do it right away. Hook it up between your head unit and your amps. That's it.
                          Carputer Progress: Here we go again...

                          THE GF THEME
                          Genesis has speed
                          Genesis has class
                          Genesis sent money
                          before your a__;)

                          Join the fight against carputters. EMAIL ME!

                          Comment


                          • #14
                            vital
                            nope mic and line in are muted. that i checked in the begining as far as grounding how would be the proper way of going about it at this point im trying every thing

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