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  1. Home
  2. Car Audio & Electronics
  3. Car Audio Installation & Accessories
  4. Car Stereo Installation & Accessories
  5. Wiring Harness to Install a New Car Stereo
  6. Axxess CLASSII-100

Axxess CLASSII-100

Wiring Harness for Replacing Select GM OEM Radios with GM CLASSII Bit Vehicles

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• Wiring Harness For Replacing Select GM OEM Radios
• Compatible With GM CLASSII Bit Vehicles
• Replacement Harness For The GMOS-100 or GMOS-100i
• Can Replace The CLASSII Harness

See compatible vehicles Learn more about the classii100

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NVX - Worth the Envy - Direct to Consumer Car Audio

Description

Axxess brand icon

Authorized dealer

Product Features:

  • Wiring Harness for Replacing Select GM OEM Radios
  • Compatible with GM CLASSII bit vehicles
  • Replacement harness for the GMOS-100 or GMOS-100i
  • Can replace the CLASSII harness included with the GMOS-100 if need be
  • Authorized Internet Dealer
  • 1-year Manufacturer's warranty

Compatible List:

  • Buick:
    • Allure (2005-2009)
    • Century (2004-2005)
    • LaCrosse (2005-2009)
    • Rainier (2004-2007)
    • Rendezvous (2002-2007)
    • Terraza (2005-2008)
  • Cadillac:
    • Escalade (2003-2006)
    • Escalade EXT (2003-2006)
  • Chevrolet:
    • Avalanche (2003-2006)
    • Cavalier (2000-2005)
    • Colorado (2004-2009)
    • Corvette (2005-2010)
    • Express (2003-2007)
    • Impala (2000-2005)
    • Malibu (2000-2003)
    • Malibu Classic (2004)
    • Monte Carlo (2000-2005)
    • Silverado (2003-2006)
    • Silverado Classic (2007)
    • SSR (2003-2006)
    • Suburban (2003-2006)
    • Tahoe (2003-2006)
    • Trailblazer (2002-2009)
    • Uplander (2005-2008)
    • Venture (2000-2005)
  • GMC:
    • Envoy (2002-2009)
    • Savana (2003-2009)
    • Sierra (2003-2006)
    • Sierra Classic (2007)
    • Yukon/XL/Denali (2003-2006)
  • Hummer:
    • H2 (2003-2007)
    • H3 (2006-2009)
  • Isuzu:
    • Ascender (2003-2008)
    • I Series (2006-2008)
  • Oldsmobile:
    • Alero (2001-2004)
    • Bravada (2002-2004)
    • Intrigue (2002)
    • Silhouette (2000-2004)
  • Pontiac:
    • Aztec (2001-2005)
    • Grand AM (2001-2005)
    • Grand Prix (2004-2008)
    • Montana (2000-2005)
    • Sunfire (2000-2005)
  • Saab:
    • 9-7x (2005-2009)
  • Saturn:
    • Relay (2005-2009)

Compatible Vehicles

Please use our Fitment Guide to determine specific compatibility for the submodel and audio features

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Specifications & Details

Harness Features
Main Harness Function
Connect/Install an Aftermarket Car Stereo
Premium Harness Features
GM-LAN Compatible
Yes
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details

Manufacturer:

Axxess

Model Number:

CLASSII-100

Weight:

0.75lbs

Internal SKU:

classii100

Internal Product ID:

24534

Customer Ratings & Reviews

Axxess CLASSII-100 thumbnail image
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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.

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