interior light issues

  #1  
Old 09-29-2016, 08:13 AM
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Default interior light issues

I have some issues with my interior lights after installing led's I now lost my heat/ac control illumination and 4wd and steering control illumination. also the map and dome lights only work with the door open but not with the switch, I've checked fuses and the ground circuit and all seems to be good. I'm a technician and know how to read wire diagrams but this one has me stumped, I'm leaning towards a bcm but don't want to buy it if I don't have to! any help would be greatly appreciated.
 
  #2  
Old 10-03-2016, 07:00 PM
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I'm a Tech too but the GM schematics are really hard to follow. There are several different B+ entering the BCM.

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You may want to check out this thread...
https://www.truckforums.com/forum/ch...working-14059/
 

Last edited by Coby7; 10-03-2016 at 07:03 PM.
  #3  
Old 10-03-2016, 07:56 PM
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Originally Posted by Coby7 View Post
I'm a Tech too but the GM schematics are really hard to follow. There are several different B+ entering the BCM.



You may want to check out this thread...
https://www.truckforums.com/forum/ch...working-14059/
Thanks Coby7 yes they are but the issue is solved!! I checked the fuses with a meter and they all checked out good but I pulled out fuse #17 and sure enough it was blown
I replaced it with another 10 amp fuse and now everything is working except for the 4wd indicator on the dash. Thanks again
 
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