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    2008 Denali (Yukon) OEM nav install issues

    Yes, I finally figured it out. The Red wire (should be pin#8 in brown connector, and the black wire should be pin#16). These (2) wires are for the amplifer audio prompt signals (+ and -). Connect these two wires to the Audio Amplifer (located under the console between the two fronts seats). The...
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    2008 Denali (Yukon) OEM nav install issues

    I'm having problems with my OEM nav install. The GPS shows a red line through the GPS (icon), and I get no (audio) voice recongintion or (audio) turn by turn voice prompts. (Voice prompting is turned on). The Navation (GPS) unit apprears to be tracking fine and shows correct (current)...
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