High beam on

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Carlinho, Jul 14, 2020.

  1. Carlinho

    Carlinho Bobtail Member

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    Mar 2, 2018
    Harker Heights, Texas
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    I have a 2013 t660 and the driver side high beam will not shut off.... passenger side works normal. Any ideas ?
     
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  3. baha

    baha Road Train Member

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    Jul 25, 2013
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    Ck. the wires going to that side of headlight, you may find two wires melted in/two?
     
    Carlinho Thanks this.
  4. Carlinho

    Carlinho Bobtail Member

    28
    39
    Mar 2, 2018
    Harker Heights, Texas
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    That’s what I’m thinking too but didn’t find anything on the first quick look I did so I guess I’ll start looking inside the frame rails. It also started to flicker when I put the truck on high idle
     
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