GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2009 🢒 SLS 🢒 Steering 🢒 Steering Wheel and Column 🢒 Steering Column Wiring Harness Replacement

Removal Procedure

    Warning: Refer to SIR Warning in the Preface section.


    Object Number: 588840 Size: SH
  1. Disable the SIR coil. Refer to SIR Disabling and Enabling.
  2. Remove the steering wheel from the column. Refer to Steering Wheel Replacement.
  3. Remove the steering column from the vehicle. Refer to Steering Column Replacement.
  4. Inspect the steering column for accident damage. Refer to Steering Column Accident Damage Inspection.
  5. Remove the upper and lower trim cover. Refer to Steering Column Trim Cover Replacement.
  6. Disconnect all connectors attached to the wire harness assembly.

Installation Procedure

    Warning: Refer to SIR Inflator Module Coil Warning in the Preface section.


    Object Number: 588840 Size: SH

    Note: When guide the wires out through the hole at the center of the steering wheel, pull the wires outward tightly to prevent them from wrapping under the steering wheel. Refer to Steering Wheel Control Switch Assembly Replacement.

    Note: When adjust the directions of harness, pressure with finger should be downward and far away from the center of the steering wheel, to avoid push the harness to the center of the steering wheel or back into the hole, and prevent them from wrapping under the steering wheel. Refer to Steering Wheel Control Switch Assembly Replacement.

  1. Slide the bulkhead connector into the column shift and tilt motor bracket assembly.
  2. Connect all of the connectors to the wire harness assembly.
  3. Install the upper and lower trim cover. Refer to Steering Column Trim Cover Replacement.
  4. Install the steering column into the vehicle. Refer to Steering Column Replacement.
  5. Install the steering wheel onto the steering column. Refer to Steering Wheel Replacement.
  6. Enable the SIR system. Refer to SIR Disabling and Enabling.