GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2006 🢒 TopKick C-Series (Conventional) C4/C5 🢒 Vehicle Control Systems 🢒 Vehicle DTC Information 🢒 Engine Brake Switch Replacement

Removal Procedure

    Object Number: 804579 Size: SH
  1. Remove the I/P Cluster Trim Plate bezel. Refer to Instrument Panel Cluster Trim Plate Bezel Replacement .
  2. Remove the accessory switch panel bezel.

    3. Object Number: 823458 Size: SH
  3. Remove the connector from the switch.

    4. Object Number: 823139 Size: SH
  4. Release the tabs that retain the switch.
  5. Remove the switch from the bezel.

Installation Procedure

    Object Number: 823139 Size: SH
  1. Install the switch into the bezel.
  2. Connect the tabs that retain the switch.

    3. Object Number: 823458 Size: SH
  3. Install the connector to the switch.

    4. Object Number: 804579 Size: SH
  4. Install the accessory switch panel bezel.
  5. Install the I/P Cluster Trim Plate bezel. Instrument Panel Cluster Trim Plate Bezel Replacement .