SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSGMC1999FORWARD CONTROL 5.7 R, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 735 (ENTERTAINMENT SYSTEM)REPAIR INSTRUCTIONSANTENNA EXTENSION CABLE REPLACEMENT (HARDTOP)REMOVAL PROCEDURE
1999 GMC Forward Control 5.7 R, Automatic

Removal Procedure

1999 GMC Forward Control 5.7 R, AutomaticSECTION Removal Procedure
WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
  1. Open the rear compartment lid.
  2. Remove the right decklid support trim panel.

    Pull to release the retaining clips.

    Fig 1: Right Deck Lid Support Trim Panel
    GM426783Courtesy of GENERAL MOTORS CORP.
  3. Pull back the edge of the rear compartment floor carpet from behind the right decklid support, then reposition the right side of the carpet.
    4. Fig 2: Front Body Wiring Harness Connectors At Decklid Latch And Remote CD Changer
    GM214795Courtesy of GENERAL MOTORS CORP.
  4. Remove the rear carpet trim panel. Refer to Trim Panel Carpet - Rear Compartment Rear Center (Convertible) or Trim Panel Carpet - Rear Compartment Rear Center (Coupe) or Trim Panel Carpet - Rear Compartment Rear Center (Hardtop) in Interior Trim.
  5. Disconnect the front body wiring harness connectors from the decklid latch and the remote CD changer, if equipped.
    6. Fig 3: Front Body Wiring Harness At Rear Compartment Side Wall
    GM380248Courtesy of GENERAL MOTORS CORP.
  6. Disconnect the fixed antenna coaxial cable from the fixed antenna coaxial extension cable.
  7. Release the front body wiring harness from the retaining clip on the rear compartment side wall.
    8. Fig 4: Front Body Wiring Harness Retainers At Rear Speaker Housing
    GM214804Courtesy of GENERAL MOTORS CORP.
  8. Remove the rear compartment right side trim panel. Refer to Trim Panel Replacement - Rear Compartment Front Side (Convertible) or Trim Panel Replacement - Rear Compartment Front Side (Hardtop) or Trim Panel Replacement - Rear Compartment Front Side (Coupe) in Interior Trim.
  9. Release the front body wiring harness retainers from the rear speaker housing.
  10. Pull the front body wiring harness from the rear of the vehicle.
  11. Remove the right door sill plate. Refer to Door Sill Plate Replacement in Interior Trim.
  12. Remove the right lock pillar trim panel. Refer to Trim Replacement - Lock Pillar (Upper Convertible) or Trim Replacement - Lock Pillar (Coupe) or Trim Replacement - Lock Pillar (Lower Convertible and Hard Top) in Interior Trim.
    13. Fig 5: Power Antenna Coaxial Extension Cable At Front Body Wiring Harness
    GM214809Courtesy of GENERAL MOTORS CORP.
  13. Release the front body wiring harness retainers from the lock pillar and the floor panel support.
  14. Release the front body wiring harness from the body retainers.
  15. Carefully remove the tape securing the fixed antenna coaxial extension cable to the front body wiring harness.
    16. Fig 6: Power Antenna Coaxial Extension Cable Retainer At IP Lower Support Beam
    GM214811Courtesy of GENERAL MOTORS CORP.
  16. Remove the IP right lower insulator panel. Refer to Closeout/Insulator Panel Replacement - Right in Instrument Panel, Gages and Console.
  17. Release the fixed antenna coaxial extension cable retainer from the IP lower support beam.
    18. Fig 7: Power Antenna Coaxial Extension Cable At Radio Control
    GM214814Courtesy of GENERAL MOTORS CORP.
  18. Remove the radio control. Refer to Radio Replacement .
  19. Remove the fixed antenna coaxial extension cable.
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready ToolsFree Quote CheckQuote Shield Pro

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.