GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1999 🢒 GMC C Sierra - 2WD 🢒 Body and Accessories 🢒 Instrument Panel, Gauges, and Console 🢒 Radio Replacement

Removal Procedure
  1. Record the lock code before removal (if equipped).
  2. Remove the instrument panel trim bezel. Refer to Instrument Panel Cluster Trim Plate Bezel Replacement in Instrument Panel, Gauges and Console.

    3. Object Number: 346946 Size: SH
  3. Push down on the retainers in order to release the radio retainers.

    4. Object Number: 346949 Size: SH
  4. Slide the radio forward in order to remove the radio.

    5. Object Number: 346954 Size: SH
  5. Remove the electrical connectors and the antenna connection.

Installation Procedure

    Object Number: 346954 Size: SH
  1. Install the electrical connectors and the antenna connection.

    2. Object Number: 346949 Size: SH
  2. Slide the radio into the instrument panel.

    3. Object Number: 346952 Size: SH
  3. The unit will snap into place when fully seated.
  4. Install the instrument panel trim bezel. Refer to Instrument Panel Cluster Trim Plate Bezel Replacement in Instrument Panel, Gauges and Console.
  5. Verify the component's operation.