Installation Procedure

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Mount the microphone (1) to the overhead console at the left rear corner of the overhead console.
Clip the microphone bracket (1) to the overhead console.
Connect the microphone connector (2) to the mating 2-way connector.
Reinstall the overhead console. Refer to CONSOLE REPLACEMENT-OVERHEAD .

Fig 1: OnStar Microphone
Courtesy of GENERAL MOTORS CORP.