TrailBlazer 2WD L6-4.2L VIN S (2003)
IMPORTANT:
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Ensure the inner and outer antenna couplings are aligned.
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Do not touch the adhesive backing on the antenna coupling.
1. Align the outer antenna coupling to the inner antenna coupling.
2. Press firmly on all 4 corners and on the center of the antenna outer coupling (2) in order to ensure proper adhesion to the back glass (4). Hold
pressure on the outer coupling (5) for 10-30 seconds.
3. Ensure that no gaps are present between the couplings (5, 2) and the back glass (4).
