Installation Procedure

2008 Pontiac Grand Prix BaseSECTION Installation Procedure
    Fig 1: View Of Left Instrument Panel Outer Trim Cover
    GM929251Courtesy of GENERAL MOTORS CORP.
  1. Install the antenna cable to the vehicle. Use electrical tape in order to secure the antenna cable to the top of the wiring harness. Secure the cable to the harness at least every 150 mm (6 in).
  2. Connect the antenna cable to the antenna extension cable.
  3. Install the left I/P compartment access hole cover.
  4. Install the carpet. Refer to Front Floor Panel Carpet Replacement .
  5. Install the lower center pillar trim panel. Refer to Center Pillar Lower Trim Panel Replacement .
  6. Install the left front carpet retainer. Refer to Front Carpet Retainer Replacement .
  7. Fig 2: View Of Radio Antenna Module & Antenna Cable
    GM1203709Courtesy of GENERAL MOTORS CORP.
  8. Connect the antenna cable (2) to the radio antenna module
  9. Install the headliner. Refer to Headlining Trim Panel Replacement .
  10. Install the left rear upper quarter trim panel. Refer to Rear Quarter Upper Trim Panel Replacement .
  11. Install the left rear quarter lower panel. Refer to Rear Quarter Lower Trim Panel Replacement .
  12. Install the left sail panel. Refer to Sail Panel Replacement .
  13. Install the rear seat back. Refer to Rear Seat Back Replacement (Folding) .
  14. Install the rear seat cushion. Refer to Rear Seat Cushion Replacement .
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.