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Home >> Hummer >> 2008 >> H3 Base, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 168 (Cellular System, Entertainment System, And Navigation System) >> Diagnostic Information and Procedures >> No Global Positioning System (GPS) Reception >> Circuit Description
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Circuit Description

WARNING: This page is about a different car, the 2008 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.

The global positioning system (GPS) antenna is connected to the navigation radio by a shielded coaxial cable. The GPS antenna is powered through the same coaxial cable used to send signals to the navigation system. The antenna cable also provides a path for DC current for powering the GPS antenna.

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