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I got a power problem I think

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  • I got a power problem I think

    I just went out to buy a new stereo for my car since the stock stereo on my Pontiac Sunfire (97) didnt have any input for my carputer. So I went over with my dad to Tweeter and picked up a Alpine CDA-9813 with a Boston speaker set (smallest speakers they sell, I forget how small they are, but they were the smallest they sold...STupid sun fire). Anyways, I am having a very large problem with power. I just dropped a brand new Deka battery into the car. And the alternator isnt that old in the car. If I dont have the cd player on then I can get it to be on completely (35), even though the led lights begin to blink slightly. If I have the cd player on I can only get about 20-25 out of them before the stereo shuts off and comes back on. Then I have to lower the stereo very quickly or it will continue to shut off. I can get it to be a little louder when the car is actually running compared to when it is in Accessory mode. So does anyone have any ideas? I am going to give Tweeter a call tomorrow and see if they have any suggestions. But in the mean time I was hoping someone here would have a solution. I guess this wouldnt be such a problem if I knew I wasnt goign to drop a carputer in the trunk as soon as I finish getting the stereo all wired up. Thanks in advance guys .
    If I can't win, then I won't let you.

  • #2
    Re: I got a power problem I think

    Originally posted by Rom
    If I dont have the cd player on then I can get it to be on completely (35), even though the led lights begin to blink slightly. If I have the cd player on I can only get about 20-25 out of them before the stereo shuts off and comes back on. Then I have to lower the stereo very quickly or it will continue to shut off.
    What's the "(35)" youre talking about? What LED begins to blink?
    NEW complete and updated My project with 100+ pics on 7-4-03
    If you have a Shuttle FV24 motherboard in perfect working condition for sale, please PM me.

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    • #3
      WTF was that? your post is way out of whack man, sorry did NOT understand a word you said.
      What im curently listening to.
      My complete carpc setup

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      • #4
        Yeah, it does sound power related - im guessing the numbers you are giving is some sort of volume rating ????


        To test things out, I would try temporarily connecting power for your headunit (be sure to get both lines) (many are yellow and red) straight to the car bat.

        If this works, its shoddy dash wiring - re run the line.
        If this fails - try the head unit in something else, or start going through your cars electrical system - Do your headlights come on full brightness??? - those draw a lot more power than your stero would
        Gizmo-
        Techonlogy on Wheels
        http://www.hjnetworks.com/car

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        • #5
          re read his post again. He said if he has the CD player off then it would be on completely (35) so he's not talking about the volume. I re read his post over and over and still dont know what the hell he's talking about. He uses "it" and "them" for the most important part of his question. He's located in the US so there's no excuse for his poor English skills. DUDE we dont know what "it" and "them" and "(35)" you're refering to so no we cant help you out.
          http://www.mp3car.com/vbulletin/show...threadid=12717
          NEW complete and updated My project with 100+ pics on 7-4-03
          If you have a Shuttle FV24 motherboard in perfect working condition for sale, please PM me.

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          • #6
            Just reroute them through it and you can exceed (35).
            ODYSSEY

            Originally posted by Tidder
            Hey, as long as it's not any particular race I'm offending, I can stand to be a pedophile.
            All information expressed in this post is my opinion, and should not be regarded as a statement of fact.
            Digital-Car UK|

            (\__/)
            (='.'=)
            (")_(")

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            • #7
              I just went out to buy a new stereo for my car since the stock stereo on my Pontiac Sunfire (97) didnt have any input for my carputer. So I went over with my dad to Tweeter and picked up a Alpine CDA-9813 with a Boston speaker set (smallest speakers they sell, I forget how small they are, but they were the smallest they sold...STupid sun fire). Anyways, I am having a very large problem with power. I just dropped a brand new Deka battery into the car. And the alternator isnt that old in the car. If I dont have the cd player on then I can get it[the stereo] to be on completely (35 (on the volume) ), even though the led lights begin to blink slightly(apparently from lack of power). If I have the cd player on I can only get about 20-25(volume) before the stereo shuts off and comes back on. Then I have to lower the stereo volume very quickly or it will continue to shut off. I can get it to be a little louder when the car is actually running compared to when it is in Accessory mode. So does anyone have any ideas? I am going to give Tweeter a call tomorrow and see if they have any suggestions. But in the mean time I was hoping someone here would have a solution. I guess this wouldnt be such a problem if I knew I wasnt goign to drop a carputer in the trunk as soon as I finish getting the stereo all wired up. Thanks in advance guys .



              I am sorry for the mix up guys, it was a long day yesterday and I didnt think about my audience.
              If I can't win, then I won't let you.

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              • #8
                Either power related (not enough jouice when the car isn't running to operate the CD changer (assumption), Headunit, and computer.

                or when turned up, the built in AMP in the headunit can't cope and is shutting down from overload? Doesn't explain why it is better when the engine is running other than power though.

                But I'm no ice expert.
                4x4 in a turbo stylee.

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                • #9
                  Well, the computer isnt plugged in yet to the computer, I havent even run the lines for it yet. The other thing is that it doesnt have a cd changer (external), it is just a slim line cd player (on the front of course). I guessing at this point that the stereo shouldnt just shut off like that.
                  If I can't win, then I won't let you.

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                  • #10
                    Eliminate power by running a direct feed to the battery as suggested above. You should run both the positive and negative leads. I wouldn't hardwire anying yet. It may turn out to be a defective unit. Just run some long cables from the cable from under the hood and through the window.

                    It could be any number of things. A loose connection, bad ground, shorted cables, bad unit, etc. But from the symptoms, it's probably related to the power cabling in particular.
                    -TJ
                    Smart Playlists Plugin for RoadRunner
                    CarPC - 05 Acura TL Navi (pics soon)
                    Retired CarPC - 03 Infiniti Qx4

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                    • #11
                      Odyssey - Great idea man! I'm just sorry I didnt think of it...

                      Rom - What do you mean by "it dosent have a cd changer" ?

                      And just to further clarify - Your saying the headunit (CDA-9813 ) does ok, when your are just listening to the radio, but when you pop a cd in, the head unit shuts down ?

                      You have no cd changer, and are only using 1 head unit - Right ?
                      (it sort of sounded like you might be trying the run 2 head units)

                      If all of that is the case - tejesh is right , run the power leads to the batery (even the - one) and test it out.
                      Gizmo-
                      Techonlogy on Wheels
                      http://www.hjnetworks.com/car

                      Comment


                      • #12
                        There is no cd changer...The only cd player is the one in the head unit. When I pop in a cd to the head unit and crack it up to about 20-25 volume out of 35 it shuts off, and before it shuts off you can see the led lights on the head unit and even the interior car light begins to dim.

                        I am only running 1 head unit the CDA-9813 from Apline.
                        If I can't win, then I won't let you.

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                        • #13
                          If the internal lights of your car are dimming (no external amp's hooked up) you have a problem with your car.

                          A headunit alone should not cause your lights to dim.
                          have the shop check your cars charging system, and load test the batery. (they attach a big resistor, and measure the voltage)
                          Gizmo-
                          Techonlogy on Wheels
                          http://www.hjnetworks.com/car

                          Comment


                          • #14
                            Run a power line from your battery and use a relay attached to your acc line.

                            You might also want to run new lines for your new speakers. Make sure you run them down the passager side and not the driver side. The side panels easy pop off and on.
                            ODYSSEY

                            Originally posted by Tidder
                            Hey, as long as it's not any particular race I'm offending, I can stand to be a pedophile.
                            All information expressed in this post is my opinion, and should not be regarded as a statement of fact.
                            Digital-Car UK|

                            (\__/)
                            (='.'=)
                            (")_(")

                            Comment


                            • #15
                              I dont know if this matters but when my sub was blown it would automatically kill my amp and not allow it to turn on. It was a safety feature from what i was told cause since the sub was blown it was drawing too much power so my amp would automatically shut off.

                              Perhaps from turning up the music so loud (35 seems kinda loud cause i usually keep mine around 22 but it varies from head unit to head unit about loudness and numbers etc) you may have blown one of your speakers and now that a speaker is blown it may be a safety feature in your head unit to auto shut off.

                              Not sure if that could be it but maybe try hooking your stock speakers back up and see what happens?

                              But also from what ive been reading yours doesnt sound blown but at the higher levels it could just be drawing too much power and just "overpushing" the head unit. In that case you may need an amp.

                              So either way i would look into the speakers as a source of the problem. I almost bought a new amp cause of my problem until i narrowed it down to my sub as the culprit.

                              Just an idea.
                              Hardware: M10000 / 2.5" 700meg Solid State Drive / 30 gig 7200 rpm HD / DigitalWW 7" LCD / USB Touscreen / X10 Lola Remote / Serial GPS
                              Current Project: Turning Nissan Steering Wheel Remote into Joystick to control Frodoplayer

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