No Dome lights 1999 Suburban

Discussion in 'GM Electrical Tech' started by mamaza, Jan 12, 2010.

  1. mamaza

    mamaza New Member

    Having an issue with the overhead lights, will not work with door open or with switches. Although the lower lights come on when the door opens. Any ideas on how to begin diagnosing this problem. This is a 1999 Suburban LT 5.7 Anyone else with this problem out there?

    Thanks
    mamaza
     
  2. greenbastard

    greenbastard New Member

    need more info.i assume you tried changing the bulb?
     
  3. mamaza

    mamaza New Member

    I have checked the bulbs and replaced the fuse, you can use the switch and the lower and door lights come on.
     
  4. Peckens

    Peckens Member

    i had a similar problem with my 04 silverado it started when my check engine light came on for a p0446 (evap leak) after i fixed the problem and cleared my check engine light instantly my dome light worked with the door open. go figure
     
  5. mamaza

    mamaza New Member

    Problem Solved!!!!! On the drivers side there is a panel that houses most connectors to the vehicle. Its behind the plastic piece where your left foot might sit, or the panel that the hood release is behind. The connector was completely corroded, looked like moisture had somehow gotten into it. I used 3M multiwire connects moisture resistance, purchased from Wal-Mart for about 10.00. AllDome lights and reading lights function normally. Be careful of the hood release when removing the plastic piece, it looks like it it becoming brittle. Let me know if you have any questions.

    Thanks
    Mark
     
  6. KidHauler

    KidHauler Epic Member 5+ Years 500 Posts

    Good find. Now where did the moisture come from...?
     
  7. murdog94

    murdog94 Epic Member 5+ Years 5000 Posts

    If it was my truck id know.. :lol: minnesota wieght reduction....

    Back to the question do you have a bad door seal?? or at least a leaky one??
     
  8. mamaza

    mamaza New Member

    Good question since that was the only connector of 4 in that tight area that was corroded.
     
  9. murdog94

    murdog94 Epic Member 5+ Years 5000 Posts

    Guess its time to do some a loookin....... Good luck it also might have just been humidity... Ive seen that one cars when i was doing upholstery in Ga.... A lot of the time for the power seats etc...
     

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