TrailBlazer 2WD L6-4.2L VIN S (2003)
Global Positioning System Antenna: Service and Repair
Navigation Antenna Replacement
NAVIGATION ANTENNA REPLACEMENT
REMOVAL PROCEDURE
1. Ensure the ignition is in the OFF position.
2. Remove the electrical connector from the antenna.
3. While maintaining a parallel angle to the windshield, remove the antenna from the bracket by sliding the antenna away from the headliner.
INSTALLATION PROCEDURE
1. Position the antenna to the bracket.
2. While maintaining a parallel angle to the windshield, install the antenna to the bracket by sliding the antenna towards the headliner. Ensure the
antenna is fully seated to the bracket.
3. Install the electrical connector to the antenna.