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Stock No. GMOS-04

GM Class 2 Amp Interface Harness

  • Provides accessory (12 volt 10 amp)
  • Retains R.A.P.
  • Retains chimes
  • Provides NAV outputs (including mute)
  • Retains OnStar
  • Adjustable volume for chimes and OnStar
  • Retains balance and fade
  • USB updatable
  • High level speaker input
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