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The PAC OS-5 is a plug and play interface that all for the replacement of a GM GMLAN Factory radio. It maintains the operation of OnStar in vehicles with Bose sound systems, amplified audio systems, and also audio systems without an external amplifier. The OS-5 has on-board switching that allows audio from the OnStar system to play through the two front factory speakers. This interface retains all factory warning chimes, audible turn signal indicators, factory XM Radio, and rear parking assist system. This is an all-in-one interface that eliminates the needed for multiple harnesses in specific GM LAN Vehicles.
Replacement interface for select GM Vehicles with OnStar, Bose, and GM LAN Data Bus
Compatible with or without factory amplified audio system
Can be used if the vehicle does not have OnStar
Compatible with or without Bose systems
Retains the 5.1 Digital audio system in select GM Vehicles
Replaces factory radio in 2003¿2006 GM SUVs and trucks while retaining OnStar
Plug and play, no cutting or splicing into factory plug
PACOS2/PACOS2 Bose communicate directly with the OnStar module to prevent false triggering and eliminating unwanted audio noise
On-board amplifier will drive two 4W speakers in stereo
Use with the existing factory speakers or external speakers
