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Peripheral GMOS1

Radio Replacement Interface Harness for select 1997-2002 GM Vehicles

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Radio Replacement Interface Harness • For 1997-2002 GM full-size Truck & Full-size vehicles • Plug and play compatibility with vehicles with 21-pin (BHA1858) style harnesses • Compatible with Bose systems

See compatible vehicles Learn more about the gmos1

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Description


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Authorized dealer

Product Features:
  • Radio Replacement Interface Harness
  • For 1997-2002 GM full-size Truck & Full-size vehicles
  • Plug and play compatibility with vehicles with 21-pin (BHA1858) style harnesses
  • Interface communicates directly on the Serial Data Bus (prevents false triggering)
  • Compatible with Bose systems (when using Peripheral’s SVEN4 + SVHGM2 or SVHGM3)
  • On-board amplifier will drive two 4-ohm speakers in stereo for use with front door speakers or external speakers
  • 12-volt remote output for factory or aftermarket amplifier turn-on
  • Mute output wire to mute the aftermarket stereo head-unit
  • Includes LED indicator and adjustable L & R volume controls
  • 1-year SonicElectronix.com warranty
Compatibility List:
  • Chevrolet:
    • 2001 - 2002 Avalanche
    • 1999 - 2002 Blazer
    • 1998 - 1999 Lumina
    • 1998 - 2002 Suburban/Tahoe
    • 1998 - 2002 Venture
    • 2001 Silverado
  • GMC:
    • 1997 - 2002 Sierra
    • 1998 - 2002 Suburban/Yukon
  • Pontiac:
    • 1999 - 2002 Grand Prix
    • 1998 - 2002 Montana
    Note: The GMOS1 will interface with all GM radios that use the 21 pin / 9 pin connectors. If there is a “RDS logo on the radio face or the radio uses the 24 pin / 12 pin connectors, this interface will not work

Compatible Vehicles


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

The vehicle you have selected 2016 Volkswagen Beetle is not compatible. Change vehicle or See list of compatible similar products


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Item Details


Manufacturer:

Model Number:

GMOS1

Weight:

0.90lbs

Internal SKU:

gmos1

Internal Product ID:

14005

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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.