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Wiring Chart for R/S on a 2004 TrailblazePrinted From: the12volt.comForum 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=47682 Printed Date: August 27, 2025 at 9:10 AM Topic: Wiring Chart for R/S on a 2004 Trailblaze Posted By: brcidd Subject: Wiring Chart for R/S on a 2004 Trailblaze Date Posted: January 14, 2005 at 7:00 AM Replies: Posted By: Falcon 1 Date Posted: January 14, 2005 at 9:10 AM |
NOTE *** On the 4.2L engine the PCM (Power Control Module) is located on the DRIVERS SIDE of the engine, the TACH wire is in a BLUE plug Pin 49. On the 5.3L engine, the PCM is located on the DRIVERS SIDE of the engine but down low on the front, the TACH wire is in a GREEN plug, Pin 10.
NOTE **** The BCM (Body Control Module) is located under the LEFT REAR SEAT, attached to the FUSE BOX.
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