C 1500 Yukon 2WD V8-5.3L VIN Z Flex Fuel (2003)
Global Positioning System Antenna: Description and Operation
GLOBAL POSITIONING SYSTEM ANTENNA
The GPS antenna is located at the top center of the dash pad. The GPS Antenna is powered through the same coaxial cable used to send the signals to the
navigation radio. The GPS antenna collects data from the GPS satellites and routes this information to the navigation radio to be formatted into current
position.