Vehicle Fit Guide

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Harness for Auto-Detect Interface AXADBX-1/AXADBX-2 - 06-Up

This AXADBXH harness must be used in conjunction with the appropriate interface box—AXADBX-1 or AXADBX-2 (sold separately)


    • Provides accessory power (12-volt 10-amp)
    • Maintains the retained accessory power (R.A.P.) feature
    • Provides NAV outputs (parking brake, reverse, speed sense)
    • Retains chimes
    • Retains OnStar / OE Bluetooth
    • Adjustable OnStar level
    • Retains the factory AUX-IN jack
    • Retains the factory backup camera
    • Retains RSE (rear seat entertainment)
    • Retains satellite radio
    • Pre-wired AXSWC harness (AXSWC sold separately)
    • Can be used in non-amplified, or analog/digital amplified models
    • Retains balance and fade†
    • Micro-B USB updatable


† To retain fade in digital amplified models, use