PAC OS-1 BOSE, GM OnStar Interface w/Bose
$108.11
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Retains the function of OnStar® and Bose amplified audio system when the factory radio is replaced. Generates all safety warning chimes. Retains OnStar® when the factory radio is replaced Retains all safety warning chimes Retains Bose amplified audio system Plug-in installation for vehicles with a 21-pin harness 4 channel adjustable
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