ItemOracle

Metra GMOS-01 Onstar Harness Adapter 02-Up

Metra ★ 3.4/5 · ItemOracle Score Mid-Range

$68 USD
Price subject to change
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Metra Axxess GMOS-01 02-Up Onstar Harness Adapter with Chime, 9.30in. x 4.20in. x 2.50in.

GM vehicle harness adapter that retains OnStar and chime with adjustable volume. pre-wired ASWC-1 harness and USB update interface for compatibility

Highlights

  • OnStar retention with adjustable volume
  • Chime retention with adjustable volume
  • USB update interface

Pros

  • Retains OnStar with adjustable volume
  • Retains chime with adjustable volume
  • Pre-wired ASWC-1 harness
  • USB update interface compatible
  • Provides accessory power (12-volt 10-amp)

Cons

  • May require amplified vehicle considerations
  • Specific vehicle compatibility details not listed
  • Information on RAP feature retention limited

Best For

  • ford/chevy gm-02-up vehicle integration
  • head unit replacement with OnStar retention
  • sound alert customization in harness
  • accessory power provisioning during installation
  • USB firmware updates for compatibility
  • non-amplified gm vehicle setups

Features

  • Maintains OnStar with adjustable volume output
  • Retains chime with adjustable volume output and provides 12-volt 10-amp accessory power
  • Preserves RAP feature and includes pre-wired ASWC-1 harness (ASWC-1 sold separately)
  • USB update interface compatible for configuration
  • If vehicle is amplified, use GMOS-04 interface or bypass amplifier per documentation

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