Turn Signals and Hazards Fast Flash

Discussion in 'Peterbilt Forum' started by SoTexCoyote, Feb 24, 2011.

  1. SoTexCoyote

    SoTexCoyote Bobtail Member

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    Jun 25, 2010
    San Antonio, Texas
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    Need some help guys, truck is a 99 377, turn signals and hazards fast flash when activated. All bulbs are good, I'm stumped.

    Any help will be greatly appreciated,

    Carl
     
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  3. jaysolomon

    jaysolomon Light Load Member

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    Sep 17, 2010
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    tried new flasher? check all grounds
     
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  4. otherhalftw

    otherhalftw R.I.P.

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    Nov 18, 2008
    CA...gold discovery foothills
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    Exactly right....flasher unit is about to give up the last "phlash"!
     
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  5. SoTexCoyote

    SoTexCoyote Bobtail Member

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    Jun 25, 2010
    San Antonio, Texas
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    Thanks guys, will check, change the flasher.
     
  6. Hardlyevr

    Hardlyevr Road Train Member

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    Jul 30, 2009
    Mapleton Depot,PA
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    Don't know about on a Pete, but in a Volvo the flasher sounds like it is flashing fast when you have a burned out bulb anywhere, but when you watch the lights they are flashing at normal spped. I had one bulb that had a loose base, and would work intermittently, drove me nuts.
     
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  7. SoTexCoyote

    SoTexCoyote Bobtail Member

    20
    12
    Jun 25, 2010
    San Antonio, Texas
    0
    Thanks everyone, replaced the flasher with a new Grote 20 lamp flasher. Also found a problem with the ground on the right front turn signal lamp. Everything works good now.

    Carl
     
    otherhalftw Thanks this.
  8. The Truckist

    The Truckist Medium Load Member

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    Sep 11, 2010
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    Hey Coyote, I don't imagine you just changed over to LED lights/bulbs, did you? Probably not or you would have mentioned it but that would require a specific flasher or a little wiring ingenuity. Just a thought...
     
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