GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2003 🢒 Park Avenue 🢒 Body and Accessories 🢒 Entertainment 🢒 Coaxial Cable Replacement

Removal Procedure

    Object Number: 258823 Size: SH
  1. Remove the left sail panel. Refer to Sail Panel Replacement in Interior Trim.
  2. Disconnect the antenna coaxial cable (1) from the antenna module (3).
  3. Remove the rear shelf trim panel. Refer to Rear Window Shelf Trim Panel Replacement in Interior Trim.
  4. Remove the rear seat cushion. Refer to Rear Seat Cushion Replacement in Seats.
  5. Remove the rear seat back. Refer to Rear Seat Back Replacement in Seats.
  6. Remove the front seat. Refer to Seat Replacement in Seats.
  7. Remove the left closeout/insulator panel. Refer to Instrument Panel Insulator Panel Replacement - Right Side in Interior Trim.
  8. Disconnect the antenna coaxial cable from the radio.
  9. Fold the left side of the carpet inwards to access the main body wiring harness. Refer to Floor Panel Carpet Replacement in Interior Trim.

    10. Important: Do not cut the coaxial cable from the main body harness.

  10. Cut off the ends of the cable at the body harness near the rocker panel, leaving the old cable in the body harness.

Installation Procedure

    Object Number: 258823 Size: SH
  1. Route the new antenna coaxial cable next to the harness.
  2. Tape the cable to the body wiring harness.
  3. Connect the antenna coaxial cable to the radio.
  4. Connect the antenna coaxial cable (1) to the antenna module (3).
  5. Install the carpet. Refer to Floor Panel Carpet Replacement in Interior Trim.
  6. Install the front seat. Refer to Seat Replacement in Seats.
  7. Install the rear seat back. Refer to Rear Seat Back Replacement in Seats.
  8. Install the rear seat cushion. Refer to Rear Seat Cushion Replacement in Seats.
  9. Install the rear shelf trim panel. Refer to Rear Window Shelf Trim Panel Replacement in Interior Trim.
  10. Install the left rear sail trim panel. Refer to Sail Panel Replacement in Interior Trim.