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.

Connect the extension cable to the radio.

Fig 1: Connecting Extension Cable To Radio
Courtesy of GENERAL MOTORS CORP.
Connect the extension cable to the HVAC duct.

Fig 2: Connecting Extension Cable To HVAC Duct
Courtesy of GENERAL MOTORS CORP.
Connect the extension cable to the antenna.
Install the instrument panel trim panel. Refer to TRIM PANEL REPLACEMENT-INSTRUMENT PANEL (I/P) UPPER .

Fig 3: Connecting Extension Cable To Antenna
Courtesy of GENERAL MOTORS CORP.