GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1998 🢒 GMC Suburban - 4WD 🢒 HVAC 🢒 Heating, Ventilation and Air Conditioning 🢒 Blower Switch Replacement

Removal Procedure
  1. Remove the instrument cluster trim plate. Refer to Instrument Cluster Replacement in Instrument Panel, Gauges and Console.

    2. Object Number: 257069 Size: SH
  2. Remove the control assembly by releasing the snap-fit retainers using a small screwdriver.
  3. Disconnect the electrical connection.
  4. Disconnect the cables from the control assembly by releasing the retainers, if equipped.
  5. Remove the blower switch rotary knob and the retaining clip from the shaft of the blower switch.
  6. Remove the blower switch.

Installation Procedure
  1. Install the blower switch.
    2. 1.1. Hold the blower switch in position.
    1.2. Install the retaining clip.
    1.3. Install the blower switch rotary knob
  2. Connect the cables to the control assembly.
  3. Connect the electrical connection.

    4. Object Number: 257069 Size: SH
  4. Snap the control assembly into the instrument panel.
  5. Install the instrument panel trim plate. Refer to Instrument Cluster Replacement in Instrument Panel, Gauges and Console.
  6. Test the circuit operation.