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PAC OS-1 BOSE

OnStar Interface with Bose (OS1 BOSE, OS1BOSE) for Select 1996-2003 Chevrolet and Pontiac Vehicles

PAC
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• Replaces Factory Radio In 1998-2002 GM SUVs & Trucks While Retaining OnStar®
• Plug-&-Play, No Cutting Factory Plug

Learn more about the os1bose

We apologize

This item has been discontinued


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Description


PAC brand icon

Authorized dealer

Product Features:

  • Retains OnStar in 1998-2002 GM SUVs & trucks when replacing radio
  • Generates all safety warning chimes
  • Plug-in installation for vehicles with 21-pin harness
  • Cutting or splicing into factory plug
  • OS1-BOSE communicates directly with the OnStar module to prevent false triggering & eliminating unwanted audio noise
  • Use with the existing factory speakers or use external speakers
  • For 1998-2002 BOSE-equipped vehicles
  • 1-year SonicElectronix.com warranty

Compatible Vehicles

  • Cadillac
    • 1999 - 2002 Escalade
  • Chevrolet
    • 2002 Avalanche
    • 1999 - 2001 Blazer (S-10)
    • 1998 - 2002 Silverado
    • 1998 - 2002 Suburban
    • 1998 - 2002 Tahoe
    • 1998 - 2002 Venture
  • GMC
    • 1998 - 2002 Yukon
    • 1998 - 2002 Yukon Denali
    • 1998 - 2002 Yukon XL
  • Pontiac
    • 1998 - 1999 Montana

Note: The OS-1Bose® will not work with OnStar® equipped vehicles that have factory radios with RDS (Class 2 headunits). Factory radio's with RDS can be indentified by locating an RDS logo on the front face of the factory radio.

Connections:

  • Yellow – 12V Constant
  • Red – 12V Accessory
  • Black - Ground
  • Orange – Dash Light Dimmer/Illumination
  • Green – Left Rear Speaker (+)
  • Green with Black Stripe Left Rear Speaker (-)
  • White – Left Front Speaker (+)
  • White with Black Stripe – Left Front Speaker (-)
  • Purple – Right Rear Speaker (+)
  • Purple with Black Stripe – Right Rear Speaker (-)
  • Gray – Right Front Speaker (+)
  • Gray with Black Stripe – Right Front Speaker (-)


Check out the OS1-BOSE Owner's Manual




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Specifications & Details


Harness Features
Vehicle Sound System
Premium Sound
Main Harness Function
Connect/Install an Aftermarket Car Stereo
Additional Harness Features
OnStar Retention
Premium Harness Features
On-Star Compatible
Yes
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

PAC

Model Number:

OS1-BOSE

Weight:

0.95lbs

Internal SKU:

os1bose

Internal Product ID:

5274

Customer Ratings & Reviews


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  • Vehicle produced after 2005: Inside driver's side door
  • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.