GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1998 🢒 Tahoe 4WD - RHD 🢒 HVAC 🢒 HVAC Systems - Manual 🢒 Blower Switch Replacement

Removal Procedure

    Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

  1. Disconnect the battery negative cable.
  2. Disable the Supplemental Inflatable Restraints system. Refer to Disabling the SIR System, in SIR, in the 1999 C/K Service Manual.

    3. Object Number: 276599 Size: SH
  3. Remove the lower trim panel screw.
  4. Remove the lower trim panel.

    5. Object Number: 276681 Size: SH
  5. Remove the nuts from the forward steering column bracket.
  6. Lower the steering column.
  7. Remove the 4WD switch from the instrument panel accessory trim plate.
  8. Disconnect the connector.

    9. Object Number: 276694 Size: SH
  9. Remove the screws along the top side of the instrument panel cluster.
  10. Remove the instrument panel accessory trim plate.
  11. Disconnect all of the connectors from the back of the instrument panel accessory trim plate.

    12. Object Number: 276682 Size: SH
  12. Remove the screws.
  13. Position the HVAC controls outward.
  14. Disconnect the vacuum connector from the HVAC controls.

    15. Object Number: 276683 Size: SH
  15. Remove the retaining screw.
  16. Remove the blower switch from the rear of the control bezel.

    17. Object Number: 276683 Size: SH
  17. Remove the retaining screw and remove the blower switch from the rear of the control bezel.

Installation Procedure

    Object Number: 276683 Size: SH
  1. Install the blower switch to the control bezel with the retaining screw.

    2. Object Number: 276682 Size: SH
  2. Connect the vacuum connector to the HVAC controls.
  3. Install the HVAC controls to the instrument panel with the screws.

    4. Tighten
    Tighten the screws to 2 N·m (18 lb in).

  4. Connect the harness connectors to the instrument panel accessory trim plate.

    5. Object Number: 276694 Size: SH
  5. Install the instrument panel accessory trim plate to the instrument panel.
  6. Install the instrument panel accessory trim plate screws.

    7. Tighten
    Tighten the screws to 2 N·m (18 lb in).

  7. Connect the harness connector to the 4WD switch.
  8. Install the 4WD switch to the trim plate.

    9. Object Number: 276681 Size: SH
  9. Raise the steering column and install the nuts to the forward mounting bracket.

    10. Tighten
    Tighten the nuts to 30 N·m (22 lb ft).


    Object Number: 276599 Size: SH
  10. Install the lower trim panel and the lower trim panel screws.

    11. Tighten
    Tighten the screws to 1.9 N·m (18 lb in).

  11. Enable the SIR system. Refer to Enabling the SIR System, in SIR, in the 1999 C/K Service Manual.
  12. Connect the negative battery cable.

    13. Tighten
    Tighten the negative battery cable bolt to 17 N·m (13 lb ft).