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Product Description

PAC s OS-1 OnStarr interface will plug into General Motors factory harness without having to cut or splice into the factory plug. The plug and play feature of the OS-1 will also interface directly with a factory equipped Boser sound systems when used with the PAC s OEM-1 premium sound system interface. The OS-1 incorporates a microcontroller that communicates directly with OnStar s serial data protocal to prevent false triggering thus eliminating unwanted audio noise through speakers. Onboard amplifier will drive two 4 ohm speakers in stereo. Use with existing speakers in front doors or use external/separate speakers. 12 volt remote out to turn on factory amplifier and mute wire to attenuate the aftermarket stereo LED indicator and volume control Built in audio isolation circuit eliminates engine noise Will not false trigger. The OS-1will not work with OnStarr equipped vehicles that have factory radios with RDS (Class 2 headunits). Factory radio s with RDS can be indendified by locating an RDS logo on the front face of the factory radio. OS-1 currently supports trucks and SUV s from 1996-2002 and 1999-2003 Pontiac Gran Prix. Pontiac Grand Prix with Boser requires a OEM-1 and a AMP-GM21C wire harness.