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Dash lights flash off and on

Discussion in 'Volvo Forum' started by Transport Sport, Dec 14, 2016.

  1. Dec 14, 2016 #1
    Transport Sport

    Transport Sport Bobtail Member

    1
    0
    Dec 14, 2016
    0
    On my 2006 Volvo VNL780 all of the warning lights on the dash flash on and of. To stop it I have to pull over and turn the ignition off then back on. Sometimes that won't even work and I have to disconnect the battery cable and put it back on to clear it.
     
    Transport Sport, Dec 14, 2016
    Transport Sport, Dec 14, 2016
    #1
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  3. Dec 14, 2016 #2
    xsetra

    xsetra Road Train Member

    5,096
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    Aug 21, 2011
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    What a PITA. Check your connections at your switch. Or maybe your, brain fart, Those square things in your fuse box. Just a guess
     
    xsetra, Dec 14, 2016
    xsetra, Dec 14, 2016
    #2
  4. Dec 15, 2016 #3
    nasriza

    nasriza Road Train Member

    2,397
    2,070
    Feb 1, 2013
    Chicago, IL
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    first i would try to replace ign switch could also be a dash cluster that is acting up.
     
    nasriza, Dec 15, 2016
    nasriza, Dec 15, 2016
    #3
  5. Dec 18, 2016 #4
    boneebone

    boneebone Road Train Member

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    Mar 13, 2009
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    It's common for the Dash Cluster to start action up on the 2nd Generation Volvo VNL's.

    The only solution is to spend $2000+ at the Stealership for a new one, or look Online and send it out to a Repair Facility to have it Refurbished.
     
    boneebone, Dec 18, 2016
    boneebone, Dec 18, 2016
    #4
  7. Dec 25, 2016 #5
    KB3MMX

    KB3MMX Road Train Member

    3,069
    2,588
    Dec 29, 2014
    Orrstown, PA
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    Mine did this , it was ground wires failing.
     
    KB3MMX, Dec 25, 2016
    KB3MMX, Dec 25, 2016
    #5
  8. Dec 31, 2016 #7
    Crayzcanuck

    Crayzcanuck Bobtail Member

    2
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    Dec 31, 2016
    0
    Which ground wires were causing the problem?
     
    Crayzcanuck, Dec 31, 2016
    Crayzcanuck, Dec 31, 2016
    #7
  9. Dec 31, 2016 #7
    Crayzcanuck

    Crayzcanuck Bobtail Member

    2
    0
    Dec 31, 2016
    0
    I'm considering buying an 07 780 but it has the same issue as transport sport. If it's a ground wire issue I'll take a closer look at it. Thanks.
     
    Crayzcanuck, Dec 31, 2016
    Crayzcanuck, Dec 31, 2016
    #7
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