No Headlights

Tiny
SHELBYGT205
  • MEMBER
  • 2006 CHEVROLET TRAILBLAZER
  • 95,000 MILES
I have a 2006 Chevy Trailblazer and last night both headlights went out at the same time. The bulbs are brand new so that shouldn't be the problem. I checked the fuses and can't see a problem with them. Also switched relay #45 with #46 and nothing happened so that doesn't appear to be the problem either. PLEASE HELP
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Wednesday, April 24th, 2013 AT 10:48 AM

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Tiny
JDL
  • EXPERT
Did you check for voltage anywhere? Did you check for voltage at the fuse circuit? Neither high or low beam will work? Our database info says bcm controls ground side of headlamp relays, so check for applicable trouble codes. There are headlamp control codes. I believe those are B type codes. Some of the national brand autostores will check codes for free. Let us know.
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Wednesday, April 24th, 2013 AT 11:39 AM

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