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BCM location on an 03 Trailblazer/Envoy

Printed From: the12volt.com
Forum Name: Car Security and Convenience
Forum Discription: Car Alarms, Keyless Entries, Remote Starters, Immobilizer Bypasses, Sensors, Door Locks, Window Modules, Heated Mirrors, Heated Seats, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=69864
Printed Date: July 07, 2025 at 10:21 PM


Topic: BCM location on an 03 Trailblazer/Envoy

Posted By: ducatidesmo
Subject: BCM location on an 03 Trailblazer/Envoy
Date Posted: January 02, 2006 at 5:35 PM

Looking for the BCM location on the Traiblazer/Envoy. I think I may have found something.. is it a box with a heat sink way under the driver side dash right next to the kickpanel wall?

Thanks

Derrick




Replies:

Posted By: MHARVEY
Date Posted: January 02, 2006 at 5:42 PM

this is what i found

THE BCM IS LOCATED UNDER THE DRIVER'S REAR SEAT




Posted By: ducatidesmo
Date Posted: January 02, 2006 at 5:51 PM
Thank you very much... I wonder where the wires run under the dash.. would anyone happen to know? Looking for the Dome supervision wire which i guess is gray/white.


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