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2002 chevy trailblazer_ls
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1 Posts
Discussion Starter #1
My 02 Trailblazer LS lost low beams last week, right after jump starting a guy with my car running. High beams are good. I checked underhood low beam fuses 3+6, swapped relays 45+46 (even tried a new one) and checked all the fuses in driver side 2nd row underseat fuse block: 4, 7, 32, 40, 50, 52. All are good and low beams are still out.
Anything else to try other than thinking that both low beam bulbs somehow burned out simultaneously? Thanks... :undecided
 

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2004 chevy trailblazer_ss_ls
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51 Posts
Same here... Mines just went out lastnight while i was driving.. I have done everything you have done and they are still out.. Please keep me posted if you figure it out
 

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2002 chevy trailblazer_ls
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11 Posts
Same thing happened to me 2 weeks ago. I just got around to looking at them yesterday. I pulled all the fuses, bulbs, relays and couldn't find anything wrong. Mine is also a 2002 LS. I noticed this thread was marked as "Solved" yet I don't see the reply to what is wrong. Have you two guys figured out what's up with the low beams as of yet?
 

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2002 chevy trailblazer_ls
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11 Posts
This is always my 1st go to for answers on my Trailblazer. I just googled the problem and it seems to be the #46 relay. I'm going to swap #45 with #46 and see if that helps, then order a new one if that is indeed the problem. I'm sure it is.
 

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2005 gmc envoy_sle
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18 Posts
Same problem with 2005

I just had the same problem with our 2005 Envoy. Checked the underhood fuses and they were good, swapped the relays and no change, checked the bulbs and one was burned out but other was good. It shouldn't effect both sides though as I've had one side burn out before and the other side still lit up.

Any ideas on what to check next?
 

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2004 chevy trailblazer_ls_ext
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48 Posts
Hey bud, check out gmt nation .com the guys there will help you. No one here is going to be of much use unless it's someone from gmtn where the experts now reside. I hope to see you there! :tiphat
 
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