Dome light inop- | FerrariChat

Dome light inop-

Discussion in '612/599' started by drivfour, Dec 4, 2021.

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  1. drivfour

    drivfour Rookie

    Sep 17, 2021
    26
    conifer co
    Full Name:
    John A Dyer
    Checked all fuses. Want to drop assembly to test switches but not sure how to drop from ceiling.
    Thanks
    2005 612
     
  2. Skidkid

    Skidkid F1 Veteran
    Owner Rossa Subscribed

    Aug 25, 2005
    8,762
    Campbell, CA
    Full Name:
    John Zornes
    It is likely a burned out bulb. Start with the simple stuff. You don't hear hoofbeats and think zebras.
     
  3. drivfour

    drivfour Rookie

    Sep 17, 2021
    26
    conifer co
    Full Name:
    John A Dyer
    I didn't want to start prying on parts, including light lens until I know how they are retained.
     
  4. tazandjan

    tazandjan Three Time F1 World Champ
    Lifetime Rossa Owner

    Jul 19, 2008
    38,087
    Clarksville, Tennessee
    Full Name:
    Terry H Phillips
  5. Skidkid

    Skidkid F1 Veteran
    Owner Rossa Subscribed

    Aug 25, 2005
    8,762
    Campbell, CA
    Full Name:
    John Zornes
    I needed to go look that up for something I want to work on. You just saved me the work. Thank you!
     
  6. drivfour

    drivfour Rookie

    Sep 17, 2021
    26
    conifer co
    Full Name:
    John A Dyer
    Perfect. Thanks
     
  7. Skidkid

    Skidkid F1 Veteran
    Owner Rossa Subscribed

    Aug 25, 2005
    8,762
    Campbell, CA
    Full Name:
    John Zornes
    Popped it off today. Super easy and I am betting on the bulb for OP.
     
  8. drivfour

    drivfour Rookie

    Sep 17, 2021
    26
    conifer co
    Full Name:
    John A Dyer
    bulbs are fine. checked fuse F49 and all fuses in the panel where obd2 located. Any thoughts as to where power supplied? No power to the dome light connection
     
  9. Skidkid

    Skidkid F1 Veteran
    Owner Rossa Subscribed

    Aug 25, 2005
    8,762
    Campbell, CA
    Full Name:
    John Zornes
    How did you check the bulb? Or did you check for power at the bulb ends? You have it out so put a meter on it and see what is there. Then you can work backward from that point. I don't know the circuit precisely but I there is a relay so move to that next and check for power.
     
  10. drivfour

    drivfour Rookie

    Sep 17, 2021
    26
    conifer co
    Full Name:
    John A Dyer
    I thought there may be a relay that is connected to a timer door switch . I have no way of determining which relay. anyone have a schematic for this circuit?
    I checked all three bulbs with meter - all had continuity,removed from assembly.
     
    Skidkid likes this.

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