Seller notes

Steering Wheel Audio Control & OnStar retention for 2004-08 Pontiac Grand PrixUpgrade and Connect a new car stereo to your 2004-08 Pontiac Grand Prix's audio without losing functionality with the PAC RP5-GM11 Wiring Interface. Designed for select GM vehicles, this interface retains the factory Amp, OnStar, steering wheel controls, and provides essential data-driven outputs. It's the bridge to enhanced audio while keeping vital factory features intact.RadioPRO Radio Replacement Interface for Sele...

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