Axxess AX-ADGM01 Interface harness

Connect a new car stereo to select 2006-up General Motors vehicles (retains Bluetooth, warning chimes, Retained Accessory Power, and OnStar)

Item #: 120AXAGM01

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4 Reviews | 3 questions - 8 answers

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Retain your vehicle's factory features with a new radio

You want to install a new car stereo in your GM, but you don't want to lose the useful features built into your factory radio. The Axxess AX-ADGM01 harness works directly with the AX-ADBOX1 or AX-ADBOX2 interfaces to give you the ability to connect your new radio to the existing wiring in your vehicle and keep your factory features working. You'll keep the features you've become accustomed to, such as Bluetooth®, safety warning chimes, Retained Accessory Power (RAP), and the OnStar® system.

When using this Axxess harness with the AX-ADBOX1 or AX-ADBOX2 interfaces, you'll also retain the factory satellite radio, if it's present. The station, song, and title information will be displayed in the driver's information center. You can also keep your factory backup camera and the rear system entertainment (RSE).

Important Installation Note: You must use this harness with the AX-ADBOX1 or AX-ADBOX2 interfaces to install your car stereo.

Please enter your vehicle information or call an Advisor at 1-888-955-6000 to find out if the AX-ADGM01 and its accompanying interface are compatible with your vehicle. Warranty: 1 year.

Note: Most vehicles will require additional installation parts — please identify your vehicle if you haven’t done so, then check here for a list of parts. You can also call an Advisor for more information.

Hands-on research

What's in the box?

Download owner's manual

  • 11" GM LAN 29 harness
  • 7" Speaker harness
  • 19" AV harness
  • 13" Composite video harness
  • Installation Instructions

Product Research

Features

Compatibility: The AX-ADGM01 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 the following 2006-up GM LAN 29 vehicles (as of 9/16/2013).

Make Model Year
Buick
Enclave 2007-up
Lucerne 2006-2011
Cadillac Escalade
2007-up
DTS 2006-2011
SRX 2007-2009
Chevrolet Avalanche
2007-up
Cheyenne 20013
Equinox 2007-2009
Express 2003-2007
Impala 2006-up
Monte Carlo
2006-2007
Silverado
2007-up
Suburban
2007-up
Tahoe
2007-up
Traverse 2009-up
GMC
Acadia 2007-up
Sierra
2007-up
Yukon/XL/Denali
2007-up
Hummer H2
2008-2009
Pontiac
Torrent 2007-2009
Saturn
Outlook 2007-2009
Vue 2008-2009
Suzuki XL-7 2007-2009
Note: Not compatible with 2012 and up vehicles factory equipped with OE navigation. Please consult Crutchfield's Vehicle Selector to see if your vehicle is compatible.

Factory Amplified/Non-Amplified Compatible: The Axxess AX-ADGM01 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-ADGM01 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-ADGM01 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-ADGM01, along with the Axxess Auto-Detect System Interface (sold separately) is designed to retain this feature.

Factory Bluetooth & Satellite Radio Compatible: The AX-ADGM01 and the Auto-Detect System Interface (sold separately) will retain your GM factory Bluetooth & Satellite Radio functionality. The factory Satellite Radio station and song/artist information will be displayed on the vehicle's factory driver information center.

Backup Camera + RSE Retention: When used with the Axxess Auto-Detect System Interface (sold separately), the Axxess AX-ADGM01 lets you retain your vehicle's factory backup camera and rear system entertainment (RSE).

Optional Steering Wheel Control Interface: The AX-ADGM01 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).

GM LAN 29 Harness: The AX-ADGM01 GM LAN 29 harness is fitted with a 22-pin connector which plugs into the Axxess Auto-Detect System Interface (sold separately), a 12-pin connector that plugs into the Axxess Steering Wheel Control Interface (sold separately), plus a 16-pin connector and 14-pin connector which plug into your GM vehicle's factory radio harness. In addition, there is a rear-view camera harness (composite video) and an AV harness (RCA) which plug into your GM vehicle's factory wiring and plug into the rear-view camera input and AV input on your aftermarket head unit. There are 7 bare wire leads that will need to be hardwired to your vehicle's wiring and aftermarket radio harness.

Wire Color Function
Red +12V Accessory
Yellow +12V Constant
Black Ground
Purple Right Rear Speaker +
Purple/black Right Rear Speaker -
Green Left Rear Speaker +
Green/black Left Rear Speaker -
Note: In addition, the Axxess Auto-Detect System Interface (sold separately) includes a 16-pin harness which connects between the interface module and your aftermarket receiver. These connections will need to be crimped or soldered together.

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team — they open the box, verify contents, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Axxess AX-ADGM01 Interface harness Reviews

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Axxess AX-ADGM01 Interface harness

Written By Fettman, Marysville, CA on Thursday, August 07, 2014

Crutchfield Customer Review (What's this?)

Had all the connnections i needed...looked every where and never found the right plugs.

this part is awesome is makes a shortcut the hall installation and it

Written By b auto, spring valley NY on Sunday, June 22, 2014

Crutchfield Customer Review (What's this?)

does a wonderful job sync who is the vehicle but it is still wire to wire you cannot make it plug and play

Pros: wonderful

Cons: excellent size

Misleading product specs

Written By David, North Myrtle Beach, SC on Thursday, February 27, 2014

Using the "fit my car" feature on the website one would expect to only see items that fit the specific car that is selected, but while looking for the wire harness for my partners Impala the wrong item was displayed online. After doing research they other website everything looked exactly the same. His car is not equipped with OnStar, Bluetooth or navigation so after putting this in on the site it brought up a few different harness for his car. After calling and speaking with someone I was told which item to purchase and I did. After receiving the product and trying to install it in his car I called customer service again and asked about this product not fitting, I was told that it does not fit an Impala and he does not know why it's listed for an Impala. Then he went on to tell me that the only part that fits is the 170 harness. Point I'm trying to make, made sure you do further research before purchasing anything. I've purchased other items from Crutchfield with no problem at all no idea why this harness is such a problem.

Pros: Fast shipping, Easy return lol

Cons: Told two different things by customer service.

Crutchfield response on Monday, March 10, 2014 This factory integration adapter serves to connect a vehicle's electronics to the Axxess AX-ADGM01 or AX-ADGM02 vehicle interface. In this case, David needed the AX-ADGM02 along with the AX-AGM01 adapter he purchased in order to install a new stereo in the Impala. We're looking into our vehicle guide to ensure it's working the way it should.

adapter review

Written By Anonymous, zanesvilole, ohio on Wednesday, January 08, 2014

Crutchfield Customer Review (What's this?)

instructions where somewhat vague. if you have not installed a car stereo in a current vehicle you may want to think about having it professionally installed.

Cons: instructions where vague

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Questions & Answers Ask the community. Share your knowledge.

3 questions already asked

For details on fit or installation please contact an Advisor by phone (1-800-324-9695) or online chat. They will be able to pull up your vehicle and give you the details on if this will fit and what you will need for an installation in your vehicle. [ Krissy  Mar 30, 2014 ]  Staff
it is the New Body Style....if that matters... [ Terry  Mar 29, 2014 ]
You will want to contact an Advisor by phone (1-800-324-9695) or online chat to discuss compatibility. They will be able to pull up your vehicle and see if this will work. If it does not, then they will also be able to discuss other options with you. [ Krissy  Jan 21, 2014 ]  Staff
This unit was not a plug and play for my 2013 Silverado. It took a lot of programing to get it to work with my kenwood dnx7160. I current can use Volume, Station up and down and source. Mute does not work. [ MICHELLE J  Dec 21, 2013 ]
I didn't actually use this harness.,I have a 2008 GMC Sierra 2500HD without Bose. I purchased the DDX 370 and used iDatalink ADS-HRN(SX)-A, the iDatalink Maestro ADS-MRR, and ADS-HRN(SR)-G. It sounds difficult, I'll assure you I'm no wiring genius. It was very easy to hook up,and yes all of the steering wheel controls work to control the radio. Hope that helped.. [ CLINT  Dec 20, 2013 ]
I wish I could help but my radio was bad and I'm waiting for a replacement [ Kurt  Dec 20, 2013 ]
I have not installed my system yet. I would like yo know the myself. Good luck. [ DENISE  Dec 20, 2013 ]
Brian - Not sure, my truck does not have steering wheel controls. The package said yes, though. It does work with my OnStar, and mutes automatically. I had lots of leftover wires, it comes with tons of connections. Hope it works for you. [ Patrick  Dec 20, 2013 ]

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