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Need the BCM pinout and connector description/color

Tiny
HARPSTER
  • MEMBER
  • 2002 CHEVROLET TRAILBLAZER
  • 4.2L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 250,000 MILES
I have a high beam malfunction, and I have found a broken wire on the BCM harness. I need the BCM pinout and connector description/color reference to trace it down.
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Tuesday, January 7th, 2020 AT 12:03 PM

4 Replies

Tiny
CARADIODOC
  • MECHANIC
  • 33,916 POSTS
See how far you get with these.

The second and third diagrams are blown-up versions of the first one so they're easier to read. The fifth and sixth diagrams are the fourth one cut in half and blown up.
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Tuesday, January 7th, 2020 AT 12:51 PM
Tiny
HARPSTER
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  • 4 POSTS
Thank you CARADIODOC! That's a huge help!
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Tuesday, January 7th, 2020 AT 2:00 PM
Tiny
HARPSTER
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  • 4 POSTS
Problem fixed! It was the broken wire!
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Wednesday, January 8th, 2020 AT 11:53 AM
Tiny
CARADIODOC
  • MECHANIC
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Dandy. Happy to hear you solved it. Please come back to see us again.
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Wednesday, January 8th, 2020 AT 1:27 PM

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