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Home >> GMC >> 2017 >> Acadia SL >> Repair and Diagnosis >> External Pages >> Different car >> Section 189 (Cellular System, Entertainment System, And Navigation System - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> No Global Positioning System (GPS) Reception (CW1) >> Circuit/System Description

Circuit/System Description

WARNING: This page is about a different car, the 2017 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.

The navigation antenna is connected to the Navigation Control Module via a coax cable. The Navigation control module supplies 5 V through the coax cable to power the internal antenna amplifier.