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    JML0124's Avatar
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    Headunit turns on and off while driving

    Hey I had bought my car a year ago with a sound system already installed I haven't had any problems with the system but the other day I was driving and I went to turn on my headlights and my system shut off and then came back on a few min later When the radio came back on I turned my headlights back on to see if it would do it again and same thing happened it did this on and off for a few days then went back to normal so now when I turn on my headlights my system doesn't turn off anymore. But now I also noticed whenever I crank up the volume the system turns off or sometimes just the subs and also when im driving the head unit lights up random **** like the repeat button will turn on then off as well with the shuffle button and some others.

    I went to best buy and talked too some guy working he said I need a capacitor I dont believe that is the problem cause previously when my battery power would run extremely low my car would start to stall out but my system would never turn off. I have no clue why its doing this any help would be greatly appreciated

    I have a 2 12" kenwood subs, Pioneer speakers, 2 amps (dont know off the top of my head what brand and type they are), and a dual 7inch screen head unit







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    Re: Headunit turns on and off while driving

    i would check the power supply connection for the radio..kind of sounds like it may have been wired to the headlt portion of the fuse panel, instead of buying a wiring harness for the vehicle, its possibly loose due to vibration,if so, try to wire it to the existing fuse supply for the radio..loose power wire on hu is what i am thinking without being there..check it out, and let us know




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    Re: Headunit turns on and off while driving

    alright thanks alot man Ill def try that out and let you know but im just curious on why that would make my head unit goes crazy like it turns stuff on and off while im driving like the repeat button will appear on the screen then will shut off then the shuffle button will come on then shut off it does this non stop
    Last edited by JML0124; 11-29-2011 at 12:54 PM.




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    Re: Headunit turns on and off while driving

    Definitely sounds like bad ground and possibly dirty power source. Why I mean by dirty power is a wire that has hum, noise or intermittent connection. Sometimes it will throw the computer for a loop and make all kinds of errors, shutting off, etc. Start with the ground first. if that doesn't help, use a new power wire from the battery or known clean accessory feed.



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    Re: Headunit turns on and off while driving

    Check all wire connections and go punch the BB guy in the mouth.



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    Re: Headunit turns on and off while driving

    Alright thanks for the advice I will check it out and let you guys know if I find out what the problem is




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