1999 volvo VNL 770 headlights blowing fuse

Discussion in 'Volvo Forum' started by luis2944, Mar 8, 2017.

  1. luis2944

    luis2944 Bobtail Member

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    Mar 8, 2017
    0
    Hello everyone,

    I have a 1999 VNL 770 blowing the fuse on the left headlight from high to low, low to high works well but when changing from high to low it blows the fuse.. Any one can help??? Thanks
     
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  3. nasriza

    nasriza Road Train Member

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    Feb 1, 2013
    Chicago, IL
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    Probably signal/dimmer Switch is messed up had this happen a few times before mounted on steering colum left side two t25 torx to take is off around 170 or so
     
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  4. DUNE-T

    DUNE-T Road Train Member

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    May 10, 2015
    Detroit, MI
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    Have the same thing, just took out the flashing fuse
     
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  5. HopeOverMope

    HopeOverMope Road Train Member

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    Feb 25, 2016
    I-20 LOUISIANA
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    Check for a wire rubbing somewhere causing it to ground out.

    On my VNL there was a wire rubbing near the fifth wheel that was messing my brake lights up and popping fuses. I did get the extended fuses as a temporary fix until I found the grounding wire. Then I left the relay fuses in
     
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  6. luis2944

    luis2944 Bobtail Member

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    Mar 8, 2017
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    Thanks to all for the replies, I will check all your advises.. Thanks again
     
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