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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 635 (Steering Wheel And Steering Column) >> Repair Instructions >> Ignition Switch Replacement - On Vehicle >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disable the SIR system. Refer to DISABLING & ACTIVATING AIR BAG SYSTEM .
  2. Remove the knee bolster.
  3. Remove the steering column trim covers from the steering column. Refer to Steering Column Trim Covers Replacement - On Vehicle .
  4. Disconnect the steering column electrical connectors.
    Fig 1: Steering Column Electrical Connectors
    G01667132Courtesy of GENERAL MOTORS CORP.
  5. Remove the wire harness assembly (1) from the steering column and the wire harness strap (2).
    Fig 2: Steering Column Wiring Harness
    G01667133Courtesy of GENERAL MOTORS CORP.
  6. Slide the 2 connectors (2) of the turn signal and multifunction switch assembly out of the bulkhead connector (1).
    Fig 3: Turn Signal & Multi-Function Switch Connectors
    G01667134Courtesy of GENERAL MOTORS CORP.
  7. Remove the key alarm connector (1) from the lock module assembly (2) in the following way:
    1. 7.1. Rotate the key alarm connector (1) 90 degrees.
    2. 7.2. Pull the key alarm connector (1) out of the lock module assembly (2).
  8. Remove the passkey connector from the lock module assembly (2).
    Fig 4: Lock Module Assembly
    G01667135Courtesy of GENERAL MOTORS CORP.
  9. Remove the connector (2) from the electric park lock (1), for vehicles equipped with floor shifter.
    Fig 5: Electric Park Lock
    G01667136Courtesy of GENERAL MOTORS CORP.
  10. Remove the ignition switch (2) from the lock module (1) using the J 42759  .
    Fig 6: Ignition Switch & Lock Module
    G01667137Courtesy of GENERAL MOTORS CORP.