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Metra GM Car Harness - GMOS-04

Abt Model: GMOS04 | UPC Code: 086429115716
Metra - GMOS-04 - Car Harness
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Regular Price $109.99
For GM Vehicles 2000-2008 With Amplified Audio Systems Premium And Bose/ Retains OnStar/ Retains Chimes With Adjustable Level Output/ USB Update Interface Compatible
Special Order: 7 To 14 Day Delivery Time (details)
Your Shipping Zip Code: 20149 (change)

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Product Details

Metra GM Car Harness, Model GMOS04

The GMOS-04 Interface is designed to allow the user to replace the OEM radio with an after market unit in amplified GM vehicles and retain full functionality of the Onstar systems as well as all safety and warning chimes. The GMOS-04 will also retain the retained accessory power convenience features. This interface has the capability of adjusting chime and OnStar volumes.The GMOS-04 now has the required outputs for the installation of a navigation radio


  • For GM Vehicles with amplified audio systems premium and Bose 2000-2008
  • Retains OnStar with adjustable level outputs
  • Retains chimes with adjustable level output
  • Retains RAP
  • Navigation outputs now included
  • USB update interface compatible

Approximate Weight:

  • Shipping: 2 lbs
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More reasons to buy the Metra GMOS-04 from Abt Electronics
  • is an authorized dealer (Learn More).
  • The Metra GMOS-04 is Brand New.
  • The Metra GMOS-04 Ships in a Factory Sealed Box.
  • Abt ships this product for free!
Metra GM Car Harness

Metra GM Car Harness

Special Order: 7 To 14 Day Delivery Time

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