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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 15 (BODY CONTROL MODULES)REMOVAL & INSTALLATIONDRIVER INFORMATION CENTERREMOVAL & INSTALLATION (WITH SUNROOF)
2003 Chevrolet TrailBlazer 4.2 S, 4WD

Removal & Installation (With Sunroof)

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Removal & Installation (With Sunroof)
WARNING: This page is about a different car, the 2002 Chevrolet Monte Carlo, 2002 Chevrolet Impala, 2001 Chevrolet Monte Carlo, and 2001 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: Use correct fastener in correct location. Replacement fasteners must be correct part number for application. Fasteners requiring replacement or fasteners requiring use of thread locking compound or sealant are identified in service procedures. DO NOT use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage fastener. Use correct tightening sequence and specifications when installing fasteners in order to avoid damage to part and systems.
  1. Disconnect negative battery cable. Remove overhead console cover retaining screw and remove cover. Release tabs on each side of overhead console assembly and remove overhead console assembly from headliner. See Fig 1. Disconnect wiring harness connectors.
  2. Remove sunshade anchors. Lower headliner at sunroof opening. Reach between headliner and roof to remove foam tape from wiring harness on overhead console backing plate. Adjust wiring harness for access. Slide overhead console backing plate forward and remove backing plate from front of headliner. See Fig 2.
    3. NOTE: When installing roof console, apply foam tape to wiring harness. Secure wiring harness in proper position to headliner.
  3. To install, reverse removal procedure. Calibrate compass on new DIC. See COMPASS CALIBRATION  under PROGRAMMING.
Fig 1: Identifying Overhead Console Assembly Release Tabs
G00056794Courtesy of GENERAL MOTORS CORP.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.