Home > Car Audio Accessories > Radio Replacement Harnesses > PAC OS-1 OnStar Radio Replacement Interface for Select 99-02 General Motors Vehicles without Bose Sound System (OS1)

PAC OS-1 OnStar Radio Replacement Interface for Select 99-02 General Motors Vehicles without Bose Sound System (OS1)

List Price:  $119.90
Price:  $82.78
You Save:  $37.12 (31%)
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PAC OS-1 Chevy GMC Pontiac 98-02 OnStar Radio Replacement Harness

PAC OS-1 Retains the function of OnStarĀ® when the factory radio is replaced. Generates all safety warning chimes. Compatible with non Bose audio systems.

  • Retains OnStarĀ® when the factory radio is replaced
  • Retains all safety warning chimes
  • Maintains a "healthy" status on the Class II databus
  • Plug-in installation for vehicles with 21-pin harness
  • Not compatible with vehicles equipped with an RDS radio

  • PAC OS-1 OnStar Radio Replacement Interface for Select 99-02 General Motors Vehicles without Bose Sound System (OS1)
  • SKU: OS-1
  • This item is New
  • 1-Year Manufacturer's Warranty
  • 30-Day Half Price Car Audio Warranty
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Return Policy
This item can be returned un-opened within 14-Days for a refund, minus a 20% restocking fee, and minus shipping.


Warranty Information
  • This item has a 30-day in-house warranty.
  • This item has a 1-Year manufacturer's warranty.