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599 Position Light Scud Ing problem

Discussion in '612/599' started by mgilman, Mar 16, 2020.

  1. mgilman

    mgilman Rookie
    Silver Subscribed

    Jun 21, 2015
    6
    Florida
    Full Name:
    Miles Gilman
    I recently purchased and installed the Scud Ing 599 LED DRL position lights. All wiring checked. However, when voltage is applied by the headlight switch, the DRL's only turn on for 2-3 seconds and then shut off. Anyone else have this problem?
     
  2. George Vosburgh

    George Vosburgh F1 Rookie

    May 26, 2011
    2,788
    Pittsburgh, PA
    Did you go back to Scud Ing? They seem very happy to help when I have talked to them.
     
  3. Da Butcher

    Da Butcher Karting

    Jan 9, 2018
    104
    Full Name:
    Jose Marie Alandy
    Gents,

    I inquired from Ferrari SB about changing my 599's DRL from the dreary original lamps to bright white LED to match the Xenon headlights and the Service Manager noted from experience that it created electrical issues and dashboard warning so they wouldn't recommend doing it.

    However, I read somewhere in this forum that matching LED electrical specs to the original lamps somehow allow that trick to work. From your experiences, is that switch worthwhile to follow?

    I'm very interested because the left side DRL has burned out, which of course triggered a "Lamp Failure" warning.

    Thanks.
     
  4. mgilman

    mgilman Rookie
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    Jun 21, 2015
    6
    Florida
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    Miles Gilman
    Hi George- I have tried to email Stefan but no response.
     
  5. mgilman

    mgilman Rookie
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    Jun 21, 2015
    6
    Florida
    Full Name:
    Miles Gilman
    I had the same issue. Now concerned that I need to pull out the lights as it may be an electrical issue in the car. Checking this Forum to see if there is a fix or something known to solve.
     
  6. brogenville

    brogenville Formula Junior

    Apr 24, 2012
    428
    UK
    Full Name:
    Robin
    Pretty sure Covid hasn't taken out the phone line yet. Give the lad a phone. I'm sure he will be happy to help.
     
  7. mgilman

    mgilman Rookie
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    Jun 21, 2015
    6
    Florida
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    Miles Gilman
    Thank you. Guess everyone is delayed from the CV19. I did get ahold of Stefan. He told me to disconnect both grey and orange wires and try again. I did that and the problem still exists. Stefan said that a workshop needs to evaluate the current draw as the lights are probably too high of a draw for the Ferrari computer. Will seek guidance from the dealer. I did subsequently test the position lights with new regular H6W bulbs and they work fine without a lamp failure. Stay tuned.
     
    brogenville likes this.
  8. mgilman

    mgilman Rookie
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    Jun 21, 2015
    6
    Florida
    Full Name:
    Miles Gilman
    Follow up: Was told that the LED DRL's are not compatible with the Ferrari computer. Taking the car to the dealer to source the circuit for bypass seems like too much trouble and possible money.
     
  9. brogenville

    brogenville Formula Junior

    Apr 24, 2012
    428
    UK
    Full Name:
    Robin
    The Marelli body computer that runs the lights is used in (almost) the same form in many Fiat group cars. Seems a good chance that this stuff has been figured out by the Fiat guys?
     
  10. mgilman

    mgilman Rookie
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    Jun 21, 2015
    6
    Florida
    Full Name:
    Miles Gilman
    Thank you! Will hunt around in Marelli and Fiat.
     

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