GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Isuzu 🢒 2003 🢒 Ascender - 4WD 🢒 Steering 🢒 Steering Wheel and Column 🢒 Steering Column Wiring Harness Replacement

Removal Procedure

    Caution: Refer to SIR Caution in the Preface section.


    Object Number: 761444 Size: SH
  1. Disable the SIR system. Refer to SIR Disabling and Enabling in SIR.
  2. Remove the upper and lower trim covers. Refer to Steering Column Trim Covers Replacement .
  3. Remove the wire harness strap.

    4. Object Number: 306267 Size: SH
  4. Remove the steering wheel theft deterrent lock. Refer to Steering Wheel Theft Deterrent Lock Replacement .
  5. If equipped, remove the theft deterrent control module.
  6. Rotate the key alarm connector (1) 90 degrees.
  7. Gently pull the key alarm connector (1) out of the ignition lock cylinder case assembly (2).
  8. Disconnect the connector from the ignition switch assembly.
  9. Remove the wires encased in the ignition switch clip, which is located on the side of the ignition switch.

    10. Object Number: 603937 Size: SH

    Important: If the steering wheel has steering wheel controls, the inflatable restraint steering wheel module coil and the wire harness assembly must come off as one piece. Refer to Inflatable Restraint Steering Wheel Module Coil Replacement in SIR.

  10. Disconnect all connectors attached to the wire harness assembly.

Installation Procedure

    Object Number: 603937 Size: SH
  1. If the steering wheel has steering wheel controls, install the SIR coil. Refer to Inflatable Restraint Steering Wheel Module Coil Replacement in SIR.
  2. Connect all of the connectors from the new wire harness assembly.

    3. Object Number: 306267 Size: SH
  3. Push the key alarm connector (1) into the ignition lock cylinder case assembly (2).
  4. Rotate the key alarm connector (1) 90 degrees so that the key alarm connector (1) locks into place.
  5. Install the steering wheel theft deterrent lock. Refer to Steering Wheel Theft Deterrent Lock Replacement .
  6. If equipped, install the theft deterrent control module.

    7. Caution: Improper routing of the wire harness assembly may damage the inflatable restraint steering wheel module coil. This may result in a malfunction of the coil, which may cause personal injury.

  7. Install the wires back into the ignition switch clip, located on the side of the ignition switch.

    8. Object Number: 761444 Size: SH
  8. Install the wire harness strap.
  9. Install the upper and lower trim covers. Refer to Steering Column Trim Covers Replacement .
  10. Enable the SIR system. Refer to SIR Disabling and Enabling in SIR.