1997 e36 328i stereo crackle

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  1. 1997 e36 328i stereo crackle 
    #1
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    djsteviec01's Car Details
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    I have recently installed a pioneer DEH-4300UB headunit and replaced all the speakers in my car. They have ben fine for a couple of months now. I removed the roof lining the other day because it was sagging and since then when i turn my stereo up above 30 it makes the sort of noise you would get from two speaker wires touching. Today i have pulled the stereo out and checked all the wiring and all of the speakers and tried another stereo but its still the same. Does anyone have any idea what could be causing this?
     
     

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    thepurpleblob's Car Details
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    Do you mean it was the same with the other stereo or it didn't happen with the other stereo?

    I assume you mean it crackles regardless of source selected.

    Personally, regardless, I would meter out the speaker leads. Do you get approx 3 ohms across a speaker and neither is short to earth?

    If that's all ok and it was ok with a different head then your Pioneer almost certainly has a faulty output chip. It might be coincidence or you may have caused a short (even temporarily) that blew it.
     
     

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    #3
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    Yes same with the other stereo and crackles with radio and cd. Tried each speaker on its own and getting the same crackle past 30. I noticed if i adjust the balance on the head unit to just rear channel the crackling goes but its still a bit distorted. Im going to try my head unit in another car tomorrow so will post the outcome.
     
     

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    It may not prove anything unfortunately. You could have a speaker wiring problem *and* a headunit problem. It's not unheard of (but unlikely) that you could have four faulty speakers. It's vital to bell out the wiring and check for shorts (or partial shorts)
     
     

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    #5
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    djsteviec01's Car Details
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    e36 328i sport
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    Hi mate, today i tried it in another car and was fine so i plugged it back in to mine and rewired all of the speakers and its now fine. I could not find the short so its got all nice new speaker wire now Thanks for your help
     
     

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