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Pontiac Forum: Onstar not working 2007 montana
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Old January 14th, 2016, 05:26 PM
minisodafats minisodafats is offline
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Onstar not working 2007 montana

My onstar is not working it has no signal so I started looking for the modual to check the wiring and I can't find it. Does anybody out there know where the modual is located on 07 montana any info would be great thanks
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Old January 14th, 2016, 10:06 PM
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melsg5 melsg5 is offline
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Did you call Onstar to confirm they have you as an active subscriber?
Here is a parts diagram
1971 GTO 455 HO Ram Air
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