Metra GMOS-01 OnStar Class II Interface
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Metra Axxess GMOS-01

Interface designed to allow for the replacemetn of the OEM Radio with an aftermarket... (more at Sonic Electronix)

Sonic Electronix

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Overall Rating: 8.7
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$79.99
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Class II OnStar Interface For Non-Amplified Systems

Class II OnStar Interface For Non-Amplified Systems AXXESS

TheNerds.net

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Overall Rating: 8.3
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$79.99
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Metra GMOS-01 GM OnStar Class II Interface

GM OnStar Class II Interface Lets you install an aftermarket receiver in select late... (more at Crutchfield)

Crutchfield

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Overall Rating: 9.2
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$99.99
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Metra OnStar Interface

For GM vehicles, Retain OnStar features, Adjustable volume, Navigation outputs...

circuitcity.com

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Overall Rating: 8.7
Read 1,000,000+ reviews
$99.99
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