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1999 Chevy Suburban with daylight running light dead and clicking noise from under

Discussion in 'Chevy Suburban Forum (GMC Yukon XL)' started by Simon.007, Jan 30, 2007.

  1. Simon.007

    Simon.007 New Member

    I have a 1999 Suburban 107,000 miles. At first the daylight running light stopped working. When I turn on the light it works fine. Then soon after that hear all the clicking down under the steering column. I removed the relay the clicking stopped but the turn signal and hazard light do not work. While under the dash I noticed the air conditioner vent's servo that directs the air flow to the legs or face was moving by its self randomly. I think I have a electric short or interference but where? :confused:

    Thanks in advance.
    Simon
     
  2. TrailLeadr

    TrailLeadr Epic Member 5+ Years 1000 Posts

    That's a little creepy. I think I'd be weirded out if I saw the vent controller moving back and forth by itself, for no good reason.
    You gotta nip that gremlin in the bud quick, before it spreads to the rest of the vehicle.

    I would agree with the short, but tracking them down, can be both difficult, and time consuming. It could also be the charging system.

    If your alt is not putting enough back in, the vehicle is going to act up. I had a similar situation with a grand am. gauges would go nuts, doors would lock, and unlock while driving, and interior lights would come on and off. Replaced the alt, and it was fine.
     
  3. Simon.007

    Simon.007 New Member

    I also noticed that the clicking was still occuring while the engine was off, so the charging system was not effecting it. Maybe I should remove one fuse at time from the 3 fuse boxes and see what happens each time?

    Thanks!
    Simon
     
  4. TrailLeadr

    TrailLeadr Epic Member 5+ Years 1000 Posts

    Couldn't hurt. Good luck, and let us know what you find out.
     
  5. ChevyFan

    ChevyFan November Beard Grower - Cancer Fighter Staff Member 5+ Years 5000 Posts

    I had experieced issues like that before as well. In my old '62, the problem was a leak in a rubber grommet that allowed water to get into the fuse box! I opened the hood once when it was raining and the truck started to turn over!!!!!

    It looks like you've got a small list of things to get checked out before you really want to start tracking down a short. I'd feel better if I got the ALT looked at and made certain that I had enough juice to keep it all running. Then I'd move to looking for shorts.
     
  6. Simon.007

    Simon.007 New Member

    Ok the problem was with the multi controller module which shorted and caused the vents and clicking noise. :( Spent $800 at Chevy dealer! Ouch! And also replace the front day running lights diode..... Wow!


    Simon
     
  7. TrailLeadr

    TrailLeadr Epic Member 5+ Years 1000 Posts

    Wow, that's pretty pricey, but it doesn't sound like there was a way around it.
     
  8. unplugged

    unplugged Epic Member 5+ Years 1000 Posts

    Could have traded straight across for a beauty like this. Guaranteed not to have a $800 control module.
    1946 Suburban
    [​IMG]
     
  9. ChevyFan

    ChevyFan November Beard Grower - Cancer Fighter Staff Member 5+ Years 5000 Posts

    Makes me drool... :tongue:
     

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