GM Service Manual Online
For 1990-2009 cars only
  1. Remove the upper and lower trim covers. Refer to Steering Column Trim Covers - Disassemble - Off Vehicle .

  2. Object Number: 360577  Size: SH
  3. Pop the wire harness assembly (4) out of the wire harness strap (5).
  4. Remove the wire harness straps (3) from the wire harness assembly (4).
  5. Remove 1 wire harness strap (2) from the upper tilt head assembly (1).

  6. Object Number: 360583  Size: SH
  7. Remove the retaining ring (1).
  8. Remove the SIR coil assembly (3).
  9. Remove the wave washer (2).