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Home >> Hummer >> 2003 >> H2 >> Repair and Diagnosis >> External Pages >> Different car >> Section 378 (Cellular Communication System) >> Repair Instructions >> OnStar Microphone Replacement >> Installation Procedure
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Installation Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Mount the microphone (1) to the overhead console at the left rear corner of the overhead console.
    Fig 1: Mounting Microphone To The Overhead Console
    GM621414Courtesy of GENERAL MOTORS CORP.
  2. Clip the microphone bracket (1) to the overhead console.
  3. Connect the microphone connector (2) to the mating 2-way connector.
  4. Reinstall the overhead console. Refer to Console Replacement - Overhead in Interior Trim.