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Home >> GMC >> 2002 >> Jimmy 2D Utility, Part Time, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 1580 (Cellular Communication System) >> Repair Instructions >> Coupling Replacement - Antenna Inner >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
  1. Clean the inside of the back glass with alcohol wipe.
  2. Dry the glass thoroughly using a lint free cloth.
    Fig 1: Drying Glass Thoroughly Using Lint Free Cloth
    G01640708Courtesy of GENERAL MOTORS CORP.
    IMPORTANT:
    • The adhesion promoter must be used to assure adequate bonding of the coupling.
    • Mask or protect the surrounding area before applying the adhesion promoter.
  3. Apply Glass Adhesion Promoter GM P/N 12378555 (Canadian P/N 88901239) to the back glass in the area the antenna coupling is to be installed. Follow the Glass Adhesion Promoter instructions on the product label.
    IMPORTANT:
    • Ensure the inner and outer antenna couplings are aligned.
    • Do not touch the adhesive backing on the antenna coupling.
  4. Remove the protective film from the adhesive backing on the inner antenna coupling.
    Fig 2: Removing Protective Film From Adhesive Backing On Inner Antenna Coupling
    G01640709Courtesy of GENERAL MOTORS CORP.
  5. If the exterior antenna coupling is not installed, use a grease pencil on the outside glass to mark the mounting location of the interior antenna coupling. Ensure the marks are level.
  6. The mounting location for the couplings is on the left quarter window, 100 mm (4 in) (A) rearward of the black masking (1), and 48 mm (2 in) (B) below the black masking.
  7. If the exterior antenna coupling is installed, align the inner antenna coupling to the exterior coupling.
  8. Press firmly on all 4 corners and on the center of the antenna inner coupling (2) in order to ensure proper adhesion to the back glass (4). Hold pressure on the inner coupling (2) for 10-30 seconds.
  9. Inspect the installation to ensure that no surface gaps are present between the couplings (5,2) and the back glass (4).
    Fig 3: Inspecting Surface Gaps Between Couplings & Back Glass
    G01640710Courtesy of GENERAL MOTORS CORP.
  10. Connect the coaxial cable (1) to the inner antenna coupling.
    Fig 4: Connecting Coaxial Cable To Inner Antenna Coupling
    G01640711Courtesy of GENERAL MOTORS CORP.
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