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Home >> Lincoln >> 2005 >> LS 3.0 S >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Navigation System >> Diagnosis And Testing >> Navigation System >> Pinpoint Test A: No Communication With The Navigation System Module >> Normal Operation

Normal Operation

Battery voltage is supplied to the navigation system module through circuit 30-GK8 (RD/BK). The driver door module (DDM) supplies voltage to the navigation system module through circuit 10-GK8 (GY/BK) in the ON/ACC position. Circuit 31-GK8 (BK/RD) provides the navigation system module ground.