Circuit/System Description
WARNING: This page is about a different car, the 2008 Saturn Outlook, 2008 GMC Acadia, and 2008 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.
The DRR antenna signal circuit is a coaxial cable that carries the digital radio signal information received by the antenna. The antenna cable also provides a path for DC current for powering the antenna base.