Question about Dual Car Audio & Video

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Amp or Stereo Cutting out...

I had a low end Sony deck in my car but it didnt have sub out and i didnt want to ghetto it so i bought a cheap Dual deck from walmart which was $50 but it had sub out.
Installed it along with an Kenwood door speakers, mtx amp. and 2 12in K7 2400w subs.
I have had problems with my battery (i need a new one) in the past and one day it just wouldnt start and i didnt have money for a new one so i refilled the cells with battery acid and its been fine sense.
Well anyways, at first listening to music was fine nothing wrong and then now anything above 27 in volume it like cuts off and stops for a second then comes back and then like 10 minutes later cuts off. 
i thought well maybe the amp is turning off? the amp stays on when it cuts off. the led stays on constanty. 
so maybe there is a short somewhere? i pulled the deck out checked all the wires, perfect. checked the amp wires, nothing wrong thats noticable.
maybe the fuses? non are blown and all are brand new.
i read online about the freq. on the amp being set wrong? adjusted it and turned it down. didnt do anything.
what could this be????  im so frustrated, it was fine at first but now its screwy.
i thought well maybe its the battery but my step dad who is in competition audio believes otherwise.
im thinking 3 things which could be causing it at this point that havent been done.. 
1) its the deck 2) its the Audio cables going from the deck to the amp 3) its the battery

What do yall think?
Thanks in advance :) 


Posted by on

  • truenoae86jp
    truenoae86jp Mar 02, 2009

    the only problem i think im going to run into though is, i couldnt use a lil plug in play adapter to put my deck in. 


    i bought my vehicle, jeep, used and the guy who had it cut the wires to put one in so what did i do? cut the wires on the one new one i bought and wired it in.


    i have experiance with such things but this one as literally got me.


    i just printed a new wiring diagram for the stock wires for the jeep, so tmrw im going to go out there and check and make sure its all in correctly. 3rd time checking the wires but it wouldnt hurt now that i have a reliable diagram.


    im also going to check the audio cable for the amp and also the door speaker wire. make sure everydoor is wired corectly. I did the two fronts but the two rears the guy before me did. 


    i believe the deck is going into protection mode but there shouldnt be a reason to why its doing that.


    i guess ill find out tmrw..  more opinions on this please.

  • truenoae86jp
    truenoae86jp Mar 02, 2009

    Just an update, its been fixed. :) the guy before me had his wires backwards for the fornt 2 speakers which was shorting it out. also found out he ripped the tweeters out of it but ya :/ 


    works perfect now, besides the fact my subs hit so hard it kocked me drink out of the cup holder and spilt all over me haha... 

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  • 33 Answers

I agree with what you think it might be. I really think its the deck that is bad and you should be able to take it back for a new one. Have you tried unplugging the RCA cables to the amp to see if that stops it? That would tell you if the amp is backfeeding or doing something weird.

Posted on Mar 02, 2009

  • Dallas Konecny Mar 08, 2009

    Good always good to here it's fixed....troubleshooting is the most frustrating thing of car audio.

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