GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2002 🢒 TrailBlazer - 2WD 🢒 Body and Accessories 🢒 Entertainment 🢒 Radio Control Module Replacement

Removal Procedure
  1. Remove the right coat hook. Refer to Coat Hook Replacement in Interior Trim.

    2. Notice: In order to avoid damaging the antenna lead connector, follow these guidelines:

       • Use a plastic tool and carefully pry the connector from the window.
       • Do NOT pull on the connector, which may be stuck to the urethane adhesive or the headliner.


    Object Number: 720268 Size: SH
  2. Disconnect the control module electrical connector from the stationary glass.
  3. Release the rear headliner to roof retainers.
  4. Lower the rear of the headliner far enough to access the control module located on the right side of the vehicle.

    5. Object Number: 728697 Size: SH
  5. Disconnect the electrical connector from the control module.
  6. Disconnect the coax cable from the control module.
  7. Remove the control module from the headliner retaining strips.
  8. Remove the control module from the vehicle.

Installation Procedure
  1. Attach the control module to the headliner retaining strips.

    2. Object Number: 728697 Size: SH
  2. Connect the coax cable to the control module.
  3. Connect the electrical connector to the control module.

    4. Object Number: 720268 Size: SH
  4. Connect the control module electrical connector to the stationary glass.
  5. Install the rear headliner to roof retainers.
  6. Install the right coat hook. Refer to Coat Hook Replacement in Interior Trim.