TrailBlazer 4WD L6-4.2L VIN S (2002)
Cellular Phone Microphone: Service and Repair
ONSTAR MICROPHONE REPLACEMENT
REMOVAL PROCEDURE
1. Remove the overhead console.
2. Disconnect the microphone electrical connector to the OnStar(R) microphone (1).
3. If only the microphone removal is required, disengage the quick release tab (1) and remove the OnStar(R) microphone from the overhead console.
4. If removing the mounting bracket is required, remove the 2 retaining screws to the OnStar(R) microphone and remove the bracket from the
overhead console.
INSTALLATION PROCEDURE