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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1693 (Theft Deterrent System - Immobilizer) >> Repair Instructions >> Theft Deterrent Control Module Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: Refer to SIR CAUTION in Cautions and Notices.
  1. Disable the inflatable restraint steering wheel module. Refer to DISABLING SYSTEM in SIR.
    Fig 1: Locating Theft Deterrent Module & Ignition Lock Cylinder Case Assembly
    GM324869Courtesy of GENERAL MOTORS CORP.
  2. Remove the upper and lower trim covers. Refer to STEERING COLUMN TRIM COVERS in Steering Wheel and Column.
  3. Remove the lock cylinder. Refer to IGNITION LOCK CYLINDER in Steering Wheel and Column.
  4. Disconnect the connector from the theft deterrent control module.
  5. If necessary, disconnect the connector from the ignition lock cylinder case (1).
  6. Remove the theft deterrent control module (2) from ignition lock cylinder case assembly (1).
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