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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Cellular, Entertainment, And Navigation >> Diagnostic Information and Procedures >> Navigation System - Vehicle Position Indicator Inoperative or Erratic >> Circuit Description

Circuit Description

The vehicle speed signal (VSS) circuit from the instrument cluster to the navigation radio provides vehicle speed information to the radio for the purpose of updating the vehicle position indicator on the navigation screen.