Dome Light Problem - Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum



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Go Back   Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum > 2002 - 2009 TrailBlazer/Envoy Tech > 02-09 Appearance > Interior

Interior Interior

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  #1  
Old 02-27-2009, 12:22 AM
hebelracing38 hebelracing38 is offline
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2005 Chevy TrailBlazer LS
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Dome Light Problem

First off, I'm a proud new TB owner. I just traded my 98 Blazer for my 05 TB, so there accouple things that need to be addressed on it. One is the interior dome light. It does not turn on when any of the doors or tailgate is opened, also it doesn't work when you turn the switch to turn the dome light on that dosen't work either. I've pushed the dome over-ride switch multiple times to no avail. The dome lights do work when you manually push them on, does this point to a faulty over-ride switch?
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  #2  
Old 02-27-2009, 12:30 AM
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Ricky81 Ricky81 is offline
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First of all.........welcome to the site.............try this out..........open the drivers side door (leave it open) and press the over ride manual switch........it doesn't work when all the doors are closed...........try that out and go from there! Good luck!!
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  #3  
Old 02-27-2009, 12:52 AM
hebelracing38 hebelracing38 is offline
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Yea maybe I could have worded that better, I have done that and nothing, so could the switch itself be bad?
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Old 02-27-2009, 01:10 AM
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The power when you push them manually comes from a different path. Look in the rear fuse block for a blown fuse 4 or 40. The schematic isn't clear which path through the BCM is used for the door-activated power path.
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Old 02-27-2009, 01:41 AM
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Are we talking about one light or all the dome lights? If were talking about one light, maybe the wires wiggled and fell out of the connector to the light? (Sorry if its badly worded)
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  #6  
Old 02-27-2009, 02:22 AM
hebelracing38 hebelracing38 is offline
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This would be all lights, I will check the fuses in the morning.
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  #7  
Old 02-27-2009, 12:03 PM
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dcubbage1 dcubbage1 is offline
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I had a very similar problem earlier in the week. In my situation, I had to replace two fuses that were blown. They were TBC4 and one of the other ones labeled TBC (I think either 2 or 3). After I replaced those fuses, my lights started working just fine.
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Old 02-27-2009, 07:12 PM
hebelracing38 hebelracing38 is offline
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2005 Chevy TrailBlazer LS
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Thanks for the reply, yep ther fuse in the rear underseat fuse box was blown, yay, nothing serious, but is it common for them to blow?
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Old 02-27-2009, 07:42 PM
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It's not that common, but folks sometimes blow them when plugging in a replacement lamp crooked and get the wires shorted in the connector. Or they try to upgrade to LEDs which are directional, and they don't use a meter and just start guessing.
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  #10  
Old 02-28-2009, 10:51 AM
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sonicanatidae sonicanatidae is offline
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Welcome to Trailvoy.

Now go install some LEDs in those domes...
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