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Volvo 780 Audible warning speaker.......not working.

Discussion in 'Trucks [ Eighteen Wheelers ]' started by Steve Singfield, Aug 13, 2013.

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  1. Aug 13, 2013 #1
    Steve Singfield

    Steve Singfield Bobtail Member

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    Aug 13, 2013
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    So, I get my 09 Volvo to the main dealers in Saskatoon for a quick service, general checks etc, oil and fuel filters.
    Doing my circle check this morning, I noticed the buzzer did not sound with the usual screech telling me I had low air, and the blinkers were not clicking,
    I mentioned this to Volvo, they looked into it, and told me that though all the electrics were good, it was just the speaker that was blown, I nearly fell off my chair when they said the speaker module would cost $1,200, plus fitting, plus taxes.....surely I can buy a speaker from Radio shack, Walmart etc,or pull one out of an old radio, and solder in a new speaker? Can any one give me advice please? I have to try and repair this problem myself, I cannot justify this amount of cash for a speaker, ....does the dashboard have to come apart? I can hear it about my shin area, surely its reasonably accessible, help please.
     
    Steve Singfield, Aug 13, 2013
    Steve Singfield, Aug 13, 2013
    #1
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  3. Aug 14, 2013 #2
    me myself and I

    me myself and I Heavy Load Member

    716
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    Oct 5, 2009
    vernon hills,Il
    0
    Its not a speaker. Its a part of instruments cluster, and they want to replace it. I've heard that there is a way to repair it, but dealer will only replace entire thing.
     
    me myself and I, Aug 14, 2013
    me myself and I, Aug 14, 2013
    #2
  4. Aug 15, 2013 #3
    lastgoodusername

    lastgoodusername Medium Load Member

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    Dec 18, 2008
    central NC
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    get an inline low air warning switch, plumb it into the air line going into the gauge. install buzzer leads to ign hot circuit and the other to a ground. problem solved for $20.
     
    lastgoodusername, Aug 15, 2013
    lastgoodusername, Aug 15, 2013
    #3
  5. Aug 16, 2013 #4
    marek4792

    marek4792 Light Load Member

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    Mar 21, 2011
    Chicago, IL
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    pull the cluster out and open up the back cover you should be able to remove the old speaker and soder a new one on it no problem.
    @lastgoodusername, it's all electrical no air lines going into the cluster.
     
    marek4792, Aug 16, 2013
    marek4792, Aug 16, 2013
    #4
  7. Aug 17, 2013 #5
    lastgoodusername

    lastgoodusername Medium Load Member

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    Dec 18, 2008
    central NC
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    the airline i am talking about goes into either one of the air gauges.
     
    lastgoodusername, Aug 17, 2013
    lastgoodusername, Aug 17, 2013
    #5
  8. Oct 23, 2014 #6
    dphillips

    dphillips Light Load Member

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    8
    May 14, 2013
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    Does anyone know where you can get a replacement speaker from
     
    dphillips, Oct 23, 2014
    dphillips, Oct 23, 2014
    #6
  9. Oct 23, 2014 #7
    asavage1576

    asavage1576 Light Load Member

    62
    36
    Mar 18, 2013
    Dallas,Tx
    0
    You can't just replace the speaker. And unless you have extensive experience with circuit board repair I would not suggest repairing it. Either replace the cluster or rig up a home made buzzer. In our shop we replace the cluster.
     
    asavage1576, Oct 23, 2014
    asavage1576, Oct 23, 2014
    #7
  10. Oct 24, 2014 #8
    blanco

    blanco Road Train Member

    1,221
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    Nov 20, 2009
    Gwinnett County, GA
    0
    What happened to good ol relays and fuses and such. I would do like this.

     
    blanco, Oct 24, 2014
    blanco, Oct 24, 2014
    #8
  11. Oct 24, 2014 #9
    Pablo-UA

    Pablo-UA Road Train Member

    7,604
    1,640
    Oct 11, 2010
    Borispol, Ukraine
    0
    remove instrumental cluster, off the back cover and U see speaker, the same like DAF/KW/Mack/Renault.... it is small 32 ohm speacker, chek it with DVOM for bad coil. if coil is ok and no soldering deffects - replace amplifier chip
     
    Pablo-UA, Oct 24, 2014
    Pablo-UA, Oct 24, 2014
    #9
    dphillips Thanks this.
  12. Feb 24, 2016 #10
    Gram25

    Gram25 Bobtail Member

    21
    2
    Oct 23, 2015
    0
    I know this is an old thread but we had this same problem and it might help someone else having the same problem.
    We disconnected the battery cables for 30 minutes to reset the computer and everything went back to working as normal. All sounds came back.
     
    Gram25, Feb 24, 2016
    Gram25, Feb 24, 2016
    #10
    4noReason Thanks this.
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