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Axxess AX-ADGM04 Vehicle-specific Harness Connect a new car stereo in select 2013-16 GM vehicles — retains OnStar, Bluetooth, warning chimes, and Retained Accessory Power

Item # 120AXAGM04

You want to change the radio on your 2013-16 GM vehicle, but you need the wiring to keep your car's modern...

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You want to change the radio on your 2013-16 GM vehicle, but you need the wiring to keep your car's modern...

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Item # 120AXAGM04

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$34.99

About the Axxess AX-ADGM04 Vehicle-specific Harness

Bob Bihlmayer

Axxess AX-ADGM04

You want to change the radio on your 2013-16 GM vehicle, but you need the wiring to keep your car's modern functions intact. This AX-AGDM04 wiring harness connects to your Axxess ADBOX-1 or ADBOX-2 module, allowing you to keep GM functions including OnStar®, Bluetooth®, safety warning chimes, and Retained Accessory Power (RAP).

Axxess AX-ADGM04

You want to change the radio on your 2013-16 GM vehicle, but you need the wiring to keep your car's modern functions intact. This AX-AGDM04 wiring harness connects to your Axxess ADBOX-1 or ADBOX-2 module, allowing you to keep GM functions including OnStar®, Bluetooth®, safety warning chimes, and Retained Accessory Power (RAP).

The AX-AGDM04 harness also includes a pre-wired harness for the Axxess ASWC-1 interface (sold separately), in case you'd like to integrate your factory steering wheel audio controls with your new car stereo. You can use this harness with amplified or non-amplified factory systems.

NOTE: You must use the AX-AGDM04 with the Axxess ADBOX-1 or ADBOX-2 module for it to work.

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Product highlights:

  • wiring harness to connect the Axxess ADBOX-1 or ADBOX-2 adapter
  • allows you to keep functions including OnStar®, Bluetooth®, safety warning chimes and Retained Accessory Power (RAP)
  • warranty: 1 year
  • MFR # AX-ADGM04

What's in the box:

  • GM LAN 29-bit 44-pin harness
  • Front speaker harness
  • Installation Instructions

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More details on the Axxess AX-ADGM04 Vehicle-specific Harness

Stacey B.

Product Research

Features

Vehicle Compatibility: The AX-ADGM04 must be used with the Axxess AX-ADBOX1 or AX-ADBOX2 Auto-Detect System Interface (sold separately) when replacing your factory radio with an aftermarket stereo in a 2013-up Chevy Malibu.

Factory Amplified/Non-Amplified Compatible: The Axxess AX-ADGM04 can be used in vehicles with or without factory amplifiers, including digital amplified systems found in many GM vehicles. Both balance & fade control are retained when used with AX-ADBOX1 interface (sold separately). The AX-ADBOX2 interface (sold separately) does not retain fader in vehicles with factory digital amplifier.

GM OnStar/Warning Chimes/Turn-Signal Retention: In conjunction with the Axxess Auto-Detect System Interface (sold separately), the AX-ADGM04 helps to retain the factory OnStar emergency services system that would normally be lost when your GM factory radio is replaced by an aftermarket head unit. The AX-ADGM04 also helps retain your GM vehicle's factory warning chimes and turn-signals.

R.A.P (Retained Accessory Power): The ignition power source of many vehicles keeps the radio on until one of the doors is opened. This feature is called the R.A.P. (retained accessory power). The AX-ADGM04, along with the Axxess Auto-Detect System Interface (sold separately) is designed to retain this feature.

Factory Aux Input: The AX-ADGM04 lets you keep your vehicle's factory Aux input. The wiring harness includes a set of stereo RCA connectors which plug into the rear aux input of your aftermarket head unit.

Optional Steering Wheel Control Interface: The AX-ADGM04 features a right-angle 3.5mm connector that lets you keep your vehicle's OEM steering wheel controls via the optional Axxess Steering Wheel Control Interface (120ASWC1, sold separately).

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Customer Q&A

2 questions already asked

Q
Is this the correct harness to plug into my factory female end harness for installing a new stereo?
fred  Dec 22, 2020
1 answer
A
This harness is used in conjunction with either the AX-ADBOX1 or the AX-ADBOX2 to install aftermarket radios in select vehicles. I recommend contacting an advisor by calling 1-800-324-9695 to check if these parts work in your vehicle
jason  Jan 01, 2021 (Staff)

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