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PAC OS-2C

OnStar Interface (OS2C) for Select 2000-2008 GM Vehicles

Discontinued
|

Good news and a little bad...

This item has been discontinued

But you may be interested in the newest model that's available.

os2x thumbnail

PAC OS2-X

OUR PRICE: $69.79

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PAC OS-2C

OnStar Interface (OS2C) for Select 2000-2008 GM Vehicles

$94.99

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Product Features

  • Plug and Play Interface that allows replacement of a GM Class 2 Factory Stereo while keeping the OnStar system
  • Onboard Switching and amplification allows audio from the OnStar System to play through the two front factory speakers when OnStar is active
  • Will not disable the vehicle data bus, even if interface loses power
  • OnStar active LED and Ignition on LED for visual indication
  • Smart Sense Mute output to either mute the aftermarket radio or to turn it off when OnStar is active
  • Provides a 12V accessory output
  • Authorized Internet Dealer
  • 1-year Manufacturer's warranty

Compatibility List

  • Chevrolet:
    • 2000-2005 Impala
    • 2000-2005 Monte Carlo
    • 2002-2007 Trail Blazer (SLE)
    • 2002-2004 Trail Blazer (SLT) *
    • 2002-2007 Venture
    • 2002-2007 Uplander
    • 2003-2006 Tahoe
    • 2003-2006 Suburban
    • 2003-2006 Silverado
    • 2003-2006 Avalanche
    • 2003-2006 SSR *
    • 2005-2008 Corvette
    • 2005-2008 Colorado
    • 2007 Silverado (Classic)
  • GMC:
    • 2002-2007 Envoy (SLE)
    • 2002-2004 Envoy (SLT) *
    • 2003-2006 Yukon
    • 2003-2006 Sierra
    • 2003-2006 Denali (Sierra and Yukon) *
    • 2005-2008 Canyon
    • 2007 Sierra (Classic)
  • Buick:
    • 2002-2007 Rainier
    • 2002-2007 Terraza
  • Pontiac:
    • 2004-2007 Grand Prix
  • Cadillac:
    • 2003-2006 Escalade *
  • Hummer:
    • 2003 H2 *
    • 2005-2008 H3

* Note: If Premium Bose is bypassed.

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 (-)

Product History:

PAC OS2-X thumbnail
(newest, current model)
PAC OS-2C thumbnail
(previous model, replaced by PAC OS2-X)
PAC OS-2 thumbnail
(previous model, replaced by PAC OS-2C)

Harness Features

Main Harness Function
Different installations on different vehicles require different harnesses. This type is what the harness is considered. Each wiring harness we sell serves a purpose such as installing an aftermarket car stereo, integrating an aftermarket amplifier with your factory car stereo, connecting Bluetooth to your factory car stereo, and more.
Connect/Install an Aftermarket Car Stereo
Additional Harness Features
The various features that the wiring harness provides to your car stereo and/or audio system.
Chime Retention
OnStar Retention
Compatible Vehicle Make
Allows you to view only items that are compatible with your vehicle's make. Does not guarantee that it will work with your vehicle year or model.
Buick
Cadillac
Chevrolet
GMC
HUMMER
Pontiac
Compatible Vehicle Make and Model
The model of vehicle that this vehicle specific product is designed for. Please keep in mind that engine variations can affect the compatibility of the products.
Buick Rainier
Buick Terraza
Cadillac Escalade
Chevy Avalanche
Chevy Colorado
Chevy Corvette
Chevy Impala
Chevy Monte Carlo
Chevy Silverado
Chevy SSR
Chevy Suburban
Chevy Tahoe
Chevy Trailblazer
Chevy Uplander
Chevy Venture
GMC Canyon
GMC Envoy
GMC Sierra
GMC Yukon
Hummer H2
Hummer H3
Pontiac Grand Prix

Premium Harness Features

On-Star Compatible
This means that the harness is compatible with vehicles that have On-Star built-in.
Yes
Compatible with Aftermarket Navigation Systems
This means that the item is made to work with aftermarket systems with navigation. Typically, this means that the harness has wires that are used with GPS navigation systems, such as VSS wires and others. Please read the product description for full details of this feature.
Yes
Chime Retention
This means that the harness is able to retain the vehicles chimes.
Yes

Warranty and Return Policy

Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Summary of Customer Ratings & Reviews

Rating Distribution

5 Star
100%
4 Star
0%
3 Star
0%
2 Star
0%
1 Star
0%

Average Attribution Rating

Durability
5.0
Value
5.0
Features
5.0
Design
5.0
Usability
5.0
Larry

Albuquerque, NM

Overall
Durability
Value
Features
Design
Usability
The Car Guy

January 10, 2012

This adapter is exactly what I needed to keep my OnStar on my 2006 Chevy Active. Easy to connect and it works great. Sonic Rocks.

10 of 13 found this helpful

Was this review helpful to you?

Browse 1 question and 4 answers
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Does the PAC OS-2C come with steering wheel adapter?
Kylan W on Jul 30, 2014
Best Answer: Check out the Axxess ASWC-1. It is a universal steering wheel adapter and is compatible with most vehicles and aftermarket stereos.
Axxess ASWC-1
Axxess ASWC-1
Reply · Report · Seth WStaff on Jul 31, 2014
· Add Answer · I Have This Question Too (1)

Product Summary

Manufacturer

Model Number

OS-2C

UPC

606523108805

Weight

0.75lbs

Internal SKU

os2c

Internal Product ID

28377

Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: PAC OS-2C