Vehicle Fit Guide

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GM Data Bus Interface 2005-2012

The AXRC-GMLN3 is designed to be used in non-amplified GM vehicles or in vehicles that the OEM amplifier has been bypassed; Onstar is not retained in either case. The AXRC-GMLN3 retains all the factory warning chimes that would be lost when the OEM radio is removed. It will also provide a 10 amp 12 volt switched accessory for proper radio operation, and retain the R.A.P. (Retained Accessory Power) feature if equipped.

  • Provides accessory power (12-volt 10-amp)
  • Retains R.A.P. (Retained Accessory Power) if equipped
  • Retains all warning chimes
  • Used in non-amplified systems or when removing amplified system
  • Small in size
  • Micro-B USB updatable