Thread: Stereo Install
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Old 05-24-2018, 10:13 PM   #2
ruley73
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Join Date: Aug 2006
Location: Is this heaven?....No, it's Iowa!
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2007 ION-2 Quad Coupe
Default Re: Stereo Install

The second plug is used for OnStar and the factory satellite radio tuner.

If you're not using OnStar you won't need it. The factory satellite radio tuner is not compatible with aftermarket radios so you can't use that either.

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2007 Ion 2 Quad Coupe 5-speed manual 179K miles
2007 Chevy Equinox LT 190K miles

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