GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Caution: When you are performing service on or near the SIR components or the SIR wiring, you must disable the SIR system. Refer to Disabling the SIR System. Failure to follow the correct procedure could cause air bag deployment, personal injury, or unnecessary SIR system repairs.

  1. Disable the supplemental inflatable restraint (SIR) system. Refer to Disabling the SIR System in SIR.
  2. Remove the headlamp switch from the instrument panel (IP) carrier. Refer to Headlamp Switch Replacement .
  3. Remove the IP upper trim pad. Refer to Instrument Panel Upper Trim Pad Replacement .
  4. Remove the instrument cluster. Refer to Instrument Cluster Replacement .
  5. Remove the IP storage compartment door. Refer to Instrument Panel Compartment Door Replacement .
  6. Remove the heating, ventilation and air conditioning (HVAC) control. Refer to Heater and Air Conditioning Control Replacement in HVAC Systems - Manual.
  7. Remove the bolts for the radio and pull radio forward to access electrical connectors.
  8. Disconnect the electrical connectors and the antenna cable from the back of the radio.
  9. Remove the radio from the radio bracket.

  10. Object Number: 294803  Size: SH
  11. Remove the daytime running lamp (DRL) ambient light sensor module from the HVAC duct.

  12. Object Number: 294804  Size: SH
  13. Disconnect the DRL module electrical connectors.
  14. Remove the DRL module.
  15. Remove the front floor console. Refer to Front Floor Console Replacement .

  16. Object Number: 379391  Size: SH
  17. Remove the fuse block cover.
  18. Remove the fuse block mounting bolt.
  19. Reposition the fuse block.

  20. Object Number: 294777  Size: SH
  21. Remove the turn signal flasher (2) from the IP tie bar.

  22. Object Number: 532301  Size: SH
  23. Cut the tie strap securing the steering column branch to the air distributor duct.
  24. Unclip the star connector from the IP tie bar.

  25. Object Number: 367393  Size: SH
  26. Remove the data link connector (DLC) mounting bolts (2).
  27. Remove the DLC (3) from the tie bar (1).
  28. Disconnect the stoplamp switch electrical connectors.
  29. Remove the hinge pillar trim. Refer to Body Hinge Pillar Trim Panel Replacement .

  30. Object Number: 523626  Size: SH
  31. Remove the IP carrier mounting nuts (2).
  32. Remove the cross car and IP harness grounds from the IP mounting studs.
  33. Remove the IP carrier mounting bolts (1).
  34. Pull the IP outward from the front of dash.

  35. Object Number: 365456  Size: SH
  36. Remove the bolts for the air distribution duct from the IP carrier.
  37. Separate the air distribution duct from the back of the IP carrier.

  38. Object Number: 533362  Size: SH
  39. Remove the forward lamp harness (1) and the cross car harness (2) from the hook.

  40. Object Number: 794715  Size: SH
  41. Remove the hazard flasher from the IP tie bar.

  42. Object Number: 774336  Size: SH
  43. Remove the 48-way connector bolts and connector from the IP.

  44. Object Number: 772066  Size: SH
  45. Remove the hatch release relay from the IP.

  46. Object Number: 365453  Size: SH
  47. Remove the blower motor relay from the IP.

  48. Object Number: 533354  Size: SH
  49. Disconnect the IP harness to air conditioning (A/C) resistor connector.
  50. Unclip the A/C resistor connector from the IP.

  51. Object Number: 533357  Size: SH
  52. Remove the rear fog lamp relay (1), if equipped from the SIR bracket.
  53. Remove the convertible top relay (2), if equipped from the SIR bracket.
  54. Disconnect the rosebud connectors (3) from the IP tie bar.

  55. Object Number: 533360  Size: SH
  56. Remove the harness rosebuds (1,2) from the IP.
  57. Remove the convertible top motor relay (3), if equipped from the SIR bracket.
  58. Remove the theft deterrent relay (4) from the SIR bracket.
  59. Remove the harness branches from the IP openings.

  60. Object Number: 533361  Size: SH
  61. Remove the main wire harness from the retaining clips (1) on the back side of the IP carrier.
  62. Disconnect the IP cluster connector from the IP carrier.
  63. Disconnect the harness rosebud (2) from the IP.
  64. Remove the harness headlamp branch from the IP opening.
  65. Remove the IP carrier from the vehicle.
  66. Place the IP carrier face down on a work surface.

Installation Procedure


    Object Number: 533361  Size: SH
  1. Install the IP carrier to the vehicle.
  2. Route the harness headlamp branch through the IP opening.
  3. Connect the harness rosebud (2) to the IP.
  4. Place the main wire harness over the retaining clips (1) on the back of the IP carrier.
  5. Connect the IP cluster connector to the IP carrier.

  6. Object Number: 533360  Size: SH
  7. Route the harness branches through the IP openings.
  8. Connect the theft deterrent relay (4) to the SIR bracket.
  9. Connect the convertible top motor relay (3), if equipped to the SIR bracket.
  10. Connect the harness rosebuds (1,2) to the IP.

  11. Object Number: 533357  Size: SH
  12. Connect the rosebud connectors (3) to the IP tie bar.
  13. Connect the convertible top relay (2), if equipped to the SIR bracket.
  14. Connect the rear fog lamp relay (1), if equipped to the SIR bracket.

  15. Object Number: 533354  Size: SH
  16. Clip the A/C resistor connector to the IP.
  17. Connect the IP harness to the A/C resistor connector.

  18. Object Number: 365453  Size: SH
  19. Connect the blower motor relay to the IP.

  20. Object Number: 772066  Size: SH
  21. Connect the hatch release relay to the IP.
  22. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.


    Object Number: 774336  Size: SH
  23. Install the 48-way connector and bolts to the IP.
  24. Tighten
    Tighten the bolts to 1.5 N·m (11 lb in).


    Object Number: 794715  Size: SH
  25. Install the hazard flasher to the IP tie bar.

  26. Object Number: 533362  Size: SH
  27. Route the cross car harness (2) and forward lamp harness (1) over the hook.

  28. Object Number: 365456  Size: SH
  29. Align the air distribution duct to the IP carrier.
  30. Install the bolt for the air distribution duct to the IP carrier.
  31. Tighten
    Tighten the bolts to 2.2 N·m (19 lb in).


    Object Number: 523626  Size: SH
  32. Align the IP carrier to the dash, with the outboard slots in the IP tie bar over the studs on the IP mounting brackets at the front body hinge pillar inner panel.
  33. Press the IP forward and engage the slots in the tie bar onto the studs on the steering column mounting bracket.
  34. Align the holes in the IP carrier and the passenger side SIR bracket to the J-nuts on the dash.
  35. Install the IP carrier mounting bolts (1).
  36. Tighten
    Tighten the bolts to 2 N·m (18 lb in).

  37. Align the cross car and the IP harness ground to the appropriate IP mounting studs.
  38. Install the IP carrier mounting nuts (2).
  39. Tighten
    Tighten the nuts to 2.5 N·m (22 lb in).

  40. Install the hinge pillar trim. Refer to Body Hinge Pillar Trim Panel Replacement .

  41. Object Number: 367393  Size: SH
  42. Align the data link connector to the tie bar (1).
  43. Install the data link connector bolts (2).
  44. Tighten
    Tighten the bolts to 2 N·m (18 lb in).


    Object Number: 294777  Size: SH
  45. Install the turn signal flasher (2) to the IP tie bar.

  46. Object Number: 532301  Size: SH
  47. Clip the star connector to the knee bolster bracket.
  48. Install a tie strap securing the steering column harness branch to the air distributor duct.

  49. Object Number: 379391  Size: SH
  50. Install upper tabs on the fuse block into the IP carrier.
  51. Install the fuse block mounting bolt.
  52. Tighten
    Tighten the bolt to 1.5 N·m (13 lb in).

  53. Install the front floor console. Refer to Front Floor Console Replacement .

  54. Object Number: 294804  Size: SH
  55. Connect the DRL module electrical connectors.

  56. Object Number: 294803  Size: SH
  57. Install the DRL module to the HVAC duct.

  58. Object Number: 366722  Size: SH
  59. Pull the harness through the IP opening.
  60. Install the retainer (1) to the switch (2).
  61. Snap the retainer (1) to the IP.
  62. Install the IP cluster. Refer to Instrument Cluster Replacement .
  63. Connect the electrical connectors and antenna cable to the radio.
  64. Install the radio to the radio bracket and install the radio bolts.
  65. Tighten
    Tighten the bolts to 1.8 N·m (16 lb in).

  66. Install the HVAC control. Refer to Heater and Air Conditioning Control Replacement in HVAC Systems - Manual.
  67. Enable the SIR system. Refer to Enabling the SIR System in SIR.
  68. Install the IP storage compartment door. Refer to Instrument Panel Compartment Door Replacement .
  69. Install the IP upper trim pad. Refer to Instrument Panel Upper Trim Pad Replacement .