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Home >> GMC >> 2007 >> Envoy 5.3 M, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 876 (Cellular Communication Systems) >> Repair Instructions >> OnStar Microphone Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2006 Isuzu Ascender, 2006 GMC Envoy XL, 2006 GMC Envoy, 2006 Chevrolet TrailBlazer, and 2006 Buick Rainier. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Quick Release Tab On Microphone
    GM754990Courtesy of GENERAL MOTORS CORP.
  1. If installation of the mounting bracket is required, install the mounting bracket to the overhead console.
    2. NOTE: Refer to Fastener Notice in Cautions and Notices.
  2. Install the 2 OnStar® microphone retaining screws.

    Tighten:  Tighten the screws to 0.8 N.m (7 lb in).

  3. Install the microphone to the mounting bracket ensuring the quick release tab (1) is fully seated.
    4. Fig 2: Connecting OnStar Microphone Electrical Connector
    GM741633Courtesy of GENERAL MOTORS CORP.
  4. Connect the electrical connector to the OnStar® microphone (1).
  5. Install the overhead console. Refer to Console Replacement - Overhead in Interior Trim.
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