iDatalink Maestro ADS-MRR Interface Module

Connect a new stereo and retain the steering wheel audio controls and factory amps in select 2006-up Ford, GM, Chrysler, and VW vehicles

Item #: 794ADSMRR

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121 Reviews

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iDatalink's Maestro RR module

iDatalink's Maestro RR module

iDatalink's Maestro ADS-MRR module, along with the correct interface harness for your vehicle, allows you to install a new car stereo in select late-model Ford, GM, Chrysler, or Volkswagen vehicles while retaining your factory steering wheel audio controls and the use of your factory amplifier, if present.

Here's how it works

First, you connect the Maestro to your Windows-based computer (not compatible with Mac) using the included USB cable, visit www.idatalink.com/maestro, and follow the instructions. Once the unit has been "flashed," it's ready to go. Next, you'll either solder or crimp the vehicle-specific Maestro harness  (sold separately) to your new receiver's wiring, just like you would with any Crutchfield wiring harness or wiring adapter.

Important Note: You will also need an additional Maestro vehicle-specific wiring harness that connects your new receiver to the ADS-MRR module and your vehicle's wiring. We will automatically add this harness to your Cart at a discounted price when you purchase a new car stereo and this ADS-MRR module.

Retain steering wheel audio controls, too

The ADS-MRR module also allows you to use your factory steering wheel audio controls with your new receiver. Using the intuitive web programming interface, each factory button can be assigned a specific radio function. Better yet, you can also assign a secondary "press and hold" radio function to each factory button, effectively doubling what can be controlled.

Keeping your factory features with an iDatalink-ready car stereo

If you're buying a compatible Kenwood, Pioneer, or Alpine receiver, you'll enjoy the outstanding performance of your receiver, plus seamless touchscreen control over most of the factory features in select GM, Ford, Chrysler, or Volkswagen vehicles (see Details for specific functions and installation notes).

  • Ford: You'll keep your SYNC® system, including the factory Bluetooth, satellite radio (in select vehicles, see Details), steering wheel audio controls, and other great features.
  • GM: You'll retain the use of OnStar® system, along with your steering wheel audio controls, your factory amp, and safety warning chimes.
  • Chrysler: You'll retain the use of the Uconnect® system (including voice command), along with your steering wheel audio controls and factory amp.
  • Volkswagen: You'll retain your VW's Bluetooth, the factory digital amplifier and fader, plus VW's media device interface. Select Kenwood receivers allow you to display navigation info on your VW's multi-function screen.

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.

Product Highlights:

  • allows installation of a new car stereo in select 2006-up Ford, Chrysler, GM, and VW vehicles
  • works with required vehicle-specific harness (sold separately) to retain factory steering wheel audio controls, retain the factory amp if present, and integrate all car stereo connections
  • retains info gauges, satellite radio (in select vehicles), and Diagnostic Trouble Code (DTC) in select vehicles when used with select Kenwood and Alpine navigation receivers
  • dimensions: 4-1/8"W x 3/4"H x 2-7/8"D
  • warranty: 1 year
  • Our 60-day money-back guarantee

iDatalink Maestro ADS-MRR Interface Module Reviews

Average Customer Review:

121 reviews
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Helped me keep my steering wheel controls

Written By Santi, Chicago on Sunday, April 26, 2015

Crutchfield Customer Review (What's this?)

Programmed via computer. Plugged in easily

Pros: Easy to program. Great step by step instructions

Cons: Website didn't support Chrome. Had to use Internet Explorer

Interesting

Written By Pat S, New Jersey on Thursday, April 16, 2015

Crutchfield Customer Review (What's this?)

Interesting device. Works as described.

Pros: Easy steering wheel control interface.

Cons: Programming. First off you must have a pc/windows to program, seriously disappointing. Second it asks for the pioneer radio serial number which it needs to communicate to the radio, that is incorrect it needs the access PIN number from the radio, which you need to power up the radio to access.

Maestro

Written By Anonymous, Gainesville Florida on Monday, April 13, 2015

Crutchfield Customer Review (What's this?)

Does what it's supposed to

Pros: Works well

Cons: Gotta have a pc to program it.

Works but takes effort to get there

Written By david, Alabama on Friday, April 10, 2015

Crutchfield Customer Review (What's this?)

Not the easiest thing to install. First of all, required Windows 7 running Internet Explorer. I have never used a Windows computer before (sorry, lifelong Mac person). Finally borrowed a computer and my car was not listed in the options. Called to iDatalink and they said "just pretend you have last year's model and that should probably work." Really, are you kidding me? Finally got it flashed and installed but took more effort than it should have. However, I do like that not only did I keep my steering wheel controls, I got to program them to do exactly what I wanted them to do.

Pros: Custom steering wheel buttons

Cons: Requires an outdated Windows system to program

So confusing

Written By Joey, Iowa on Thursday, April 09, 2015

Crutchfield Customer Review (What's this?)

The idatalink system is amazing and works just like advertised... But getting to the point of having it work 100% takes a bit of work.

Pros: Small profile for fitting behind the dash better, with the right kit I had everything and more for wires

Cons: The reset button can be easily pressed depending on how its mounted, the instructions could be easier to follow, and it would be nice if the company offered the programing app for mac computers.

bulky unreliable

Written By Howard P, Oklahoma on Tuesday, April 07, 2015

Crutchfield Customer Review (What's this?)

So far my experience with this device has not been the greatest. I bought this along with the gm5+ to work with my ahv-x4700bs. i have an 078 silverado ext cab ltz w/ bose system. So far after flashing the firmware on the head unit and downloading the programmer for the unit and putting the right profile on it, half the time the chimes dont work, not just the door open chime or open with key in chime. it also effects my back up assist chimes and blinkers. The steering wheel controls work as they should half the time, the other half they do the opposite of what they should. Sometimes when i play music via bluetooth i can no longer hear phone audio through my speakers afterwards, im not sure if that is part of the rr problem or the head unit though.

I also have an android phone with mirrorlink abilities and half the time it doesnt work right either.

Pros: easy to update. update ability should mean better functionality

Cons: entirely way to bulky with the box and the extra speaker they require to use and all the cables.

Crutchfield response on Wednesday, April 08, 2015 We forwarded this review to our Technical Support team for follow-up. Lifetime tech support comes with every Crutchfield purchase.

Almost!

Written By Sean, Woodacre on Sunday, April 05, 2015

Crutchfield Customer Review (What's this?)

The set up states that you need to flash the module with a computer running windows 7 or earlier. All my computers are older then 3 years old and none of them have that old of an operating system on them! I spent day looking for a friend that I could borrow a vintage computer from with no luck. I ended up using my windows 8 computer and it seemed to work fine. It's not a perfect fit and solution if you want everything to work like stock but it's acceptable! customer service is 9-5 m-f so if your installing on a weekend there will be no support!

Pros: It's a good patch

Cons: Loss of some stock features. Set up. Customer service hours

Crutchfield response on Tuesday, April 07, 2015 Don't forget, as a Crutchfield customer, you get access to our free tech support, too. Our Tech Support team is available 7 days a week. You can see our full hours of operation and other ways to contact us here.

2008 GMC Sierra Installation

Written By John, Tennessee on Friday, April 03, 2015

Crutchfield Customer Review (What's this?)

Lots of wires to work through. However, all wires are color coded and if you take your time and follow the installation instructions carefully all steering wheel functionality remains intact as it was from the factory. I had to call iDatalink's customer support concerning the plugin that has to be installed before you flash your unit. The technician was very helpful and was able to resolve my plugin installation problem within 5 minutes.

Pros: You are able to retain your steering wheel functionality with an aftermarket stereo.

Cons: Live customer support is available on weekdays only. No live customer support on the weekends.

Pioneer AVH4000NEX to 2012 F-150 Installq

Written By Zach, Anchorage, AK on Wednesday, April 01, 2015

Crutchfield Customer Review (What's this?)

As other reviewers have pointed out, the iDatalink is a decent product in concept, not necessarily in practice. Note that this review encompasses both units I've had to tear my truck apart to install. Basically, interfacing the phone functionality between the Pioneer and factory Sync properly is a mystery to tech support at Crutchfield, Pioneer, and iDatalink. Once the install instructions are followed (and even reflashing the unit two to three times) the radio is incapable of answering calls from the steering wheel and will display "unknown" to any contacts associated with Sync phone commands: (call John Smith; "calling John Smith" - radio display shows "unknown" and all call commands have to be initiated from radio screen. God bless Crutchfield for trying, but their tech support is ill-prepared to deal with all the nuances of all the products they sell. Calling Pioneer or iDatalink results in a blame game as to whose interface is causing the problem and neither offers meaningful support. Good thing the radio is smarter than all of us and rebooted itself at a stoplight yesterday and NOW my phone works like a charm! Apparently this last step should be added to the instruction manual? The only remaining issue is that trying to skip a song on my iPod/iPhone from my steering wheel results in it skipping through the song and not over it. Irritating, but at this point - I'll take it!

Pros: Great to be able to ditch the factory six disc for something that can keep up with my smartphone but keep factory steering wheel and bluetooth.

Cons: Install instructions and tech support are crap. Also, who uses Windows/Internet Explorer anymore? Wake up and service the 50% of the population on Mac OS. If you're a tech product you shouldn't have to use stone age technology to program it.

Mostly works

Written By cs1981, Texas on Tuesday, March 31, 2015

Crutchfield Customer Review (What's this?)

It does what it says it will do for the most part. instructions i received were incorrect though. but a quick call to Crutchfield and they confirmed i did indeed need to cut the RCA's off the speaker wires since i was not going to an amp with the doors even though the instruction sheet said that there were separate wires for that function.

SYNC pretty much works always. It is a little slower starting and responding than before and has developed an issue staying paired with my phone since adding the idatalink. but i haven't been annoyed enough with it to do anything about it. I could have sworn the compatibility matrix said my factory sat radio would be retained. it was not though. not that big of a deal, but something for future buyers to double check if they are interested in keeping sat radio,.

Pros: able to program steering wheel buttons for long hold integrates factory features with less hassle than other products i have dealt with ODB II connection lets you get data about your car on the fly and custom gauges with i really like

Cons: has somehow created a weird bluetooth issue sync runs a little slow

Idata link

Written By Mike, 48420 on Sunday, March 29, 2015

Crutchfield Customer Review (What's this?)

Plug and play....everything is color coded. Easy to use

Pros: Easy to install

Cons: Overwhelming wire harness

iDatalink Maestro Rr for Chrsler

Written By gatorguy, Kokomo, Indiana on Saturday, March 28, 2015

Crutchfield Customer Review (What's this?)

Apparently this is a necessary piece of equipment to use when installing an aftermarket radio. Especially when my 07 RAM 1500 has an Infinity 7 speaker sound system with its own Infinity amp. After stumbling thru the online instructions and a call or two to Crutchfield tech support, I completed the installation. It works fairly well as far as steering wheel controls, but the MAESTRO will not let me fade the music from front to rear. Called again to Crutchfield tech support and was informed that it only received two channel input. Kinda wierd, but not terrible. All 7 speakers still get powered by the Infinity amp, but by only 2 channel feed, not 4. Still sounds really good in truck because I added an amplified subwoofer and there is no need to fade the audio. My subwoofer uses the sub signal from the stereo, so the MAESTRO doesn't effect it. Overall a good unit. Couldn't use factory amp without it. If it allowed me to fade the audio then I would have given it 5 stars.

Pros: Works as described

Cons: Doesn't fade audio front to rear.

Install in 14 Wrangler LTD

Written By Andy, NY on Monday, March 23, 2015

Crutchfield Customer Review (What's this?)

Should have done more research. What advisors say from idatalink vs Crutchfield becomes conflicting. Diagram says one thing, written instructions says different, Crutchfiled advisors say another-which one is right!!? Pretty much useless for Jeep/Chrysler interface.

Pros: Added new features to steering wheel controls-that's it

Cons: Lost fade capabilities with stock amp-all the interface components do this (Crutchfield advisors). Wiring was conflicting and confusing, not with radio harness but with yellow/red/brown wiring to OBD port. Had to flash it twice and NO APPLE interface-only Microsoft.

Ford Gear

Written By Brian, Midland, TX on Monday, March 23, 2015

Crutchfield Customer Review (What's this?)

Great product for connection with the ford system. Install was a breeze.

Pros: Easy install, clean hookup to factory wiring

Perfect for Ford SYNC

Written By Karl, Virginia Beach, VA on Sunday, March 22, 2015

Crutchfield Customer Review (What's this?)

Works perfect with my Pioneer head unit and retains all the features of my Ford SYNC system. Easy to program.

Pros: Easy to program and perfect integration with Ford SYNC

Cons: none

A Little Daunting

Written By Pensive Guardian, Chicago on Sunday, March 22, 2015

Crutchfield Customer Review (What's this?)

Works great, but you have to connect it to computer and internet for programming prior to installation. Not real complicated, but it is a bit daunting.

Pros: The fact that someone even makes a device that makes changing to an aftermarket radio possible while maintaining steering wheel controls is impressive.

Cons: Have to program it yourself via usb connection to internet.

Works great!

Written By Kyle, New York on Saturday, March 21, 2015

Crutchfield Customer Review (What's this?)

Works great in my new Jeep. A little tricky to download off of their website, but after that it was very simple!

Pros: Has everything needed to utilize all your factory controls and features.

Cons: Tricky website programming.

Too easy

Written By crankin, md on Saturday, March 21, 2015

Crutchfield Customer Review (What's this?)

Intimidating when you first open it but the online wiring diagrams and support make it easy as could be

iDatalink Maestro ADS-MRR Interface Module

Written By Anonymous, Warsaw Indiana on Wednesday, March 18, 2015

Crutchfield Customer Review (What's this?)

Installed in my Jeep Wrangler. Great product did what it was suppose to.

Pros: Worked great. Good instructions.

Cons: A lot of wires.

No Music from the Maestro

Written By 2010Mustang, Honolulu, HI on Friday, March 13, 2015

Crutchfield Customer Review (What's this?)

First took about 2 hours and 2 calls to IDatalink customer service to get the box to flash. Then my installer could not get the Maestro to interface with my Mustang's SYNC system (tried every single wire), another couple hours wasted. Fortunately my installer had an extra steering wheel control unit or I would have wasted the entire day, and I get more features from my new head unit (Pioneer NEX8000) than I get from SYNCH anyways. Anyways, had to return it, 1 star for the Maestro, but as always Crutchfield service was great -- they get 5 stars.

Pros: None

Cons: Extreme difficulty in loading software/flashing from iDatalink online site. Professional installer couldn't get box to interface with SYNCH as advertised.

A great product

Written By Darin, Denver, CO on Monday, March 09, 2015

Allowed for me to keep the steering wheel controls and Ford Sync in a 2011 Ford Focus. When adding it to the Crutchfield Cart, they claim it will retain Satellite Radio, when in fact it does not. Not a big deal for me, as I do not subscribe to sat radio, but it is misleading. I like the simplicity of programming the individual steering wheel keys, and ability to choose which OEM features to keep. I opted to not use the OEM bluetooth, and was able to switch the steering wheel buttons to integrate with the aftermarket radio bluetooth. Slight hiccup when installing, as it requires spicing in to the OEM and Sync wiring. OEM was no issue, but the wire colors going to Sync were difficult to tell apart. The grays and blues were very similar. Would have preferred a pin number on the Sync wiring harness connector. That would have saved some time spent pining over the colors. Called Crutchfield tech support to see if they had the pin numbers, but they were no help. They told me it should be obvious by the color. I would have provided the pin number here, but as tech support suggests, it should be obvious, so I won't bother.

Pros: Easy to customize.

Cons: Misleading information on Crutchfield website about retaining Satellite Radio with 2011 Ford Focus. Not a fault with product, so did not affect my rating. The product received did not match the connectors in the instructions, but it was easy enough to figure out. Maestro should upgrade the documents to match the product.

Crutchfield response on Monday, March 16, 2015 Thanks for taking the time to share your feedback with us. We're reviewing the logic that makes our site say that the adapter retains satellite radio. We'll adjust our database so that the correct information is shown. Sorry you weren't able to get that pinout information. We've passed along your feedback to the Tech Support team for review.

Easy Install

Written By BrentL, Hertford, North Carolina on Saturday, February 28, 2015

Crutchfield Customer Review (What's this?)

This product is great along with the additional wire harness and It was recommended by customer service. Once received, I thought oh boy because of all the wires. But after an easy "flash" on my computer, it was pretty much idiot proof after that. The product controls my SWC just as designed on my 2008 F350 with a Jensen V7020 head unit.

Pros: Easy setup and install Easy to follow directions and wiring schematic.

Cons: Really can't think of any

Easy hook up

Written By TomC, Chesapeake VA on Tuesday, February 24, 2015

Crutchfield Customer Review (What's this?)

Easy to hook up and use. Wired right into the radio and truck with only a little confusion with the wiring. The Stock AUX did not work with this system and had to be wired into the Radio's second Audio input. The directions were a little vague regarding this and what was required and not required. After a few phone calls it was worked out. Now, AUX is wired as an extra plug and the Audio is connected to my stock AUX. It seems to be a bypass for proper set up. Now I don't have the video in hooked up that goes with the audio in so I don't know if that causes issues if a second video player is hooked up and needs both the vid/audio to play on the unit.

Pros: Easy to use and works great with the stock set up minus the AUX

Cons: System is NOT compatible with MAC for programing. A windows system is a must. Wiring diagram doesn't explain clearly how the AUX system is set up.

Unit Is A Total FAIL

Written By DaveK, Utah on Sunday, February 08, 2015

Crutchfield Customer Review (What's this?)

What I did not like and was VERY disappointing in was the Maestro RR interface. This was supposed to give me all the original functionality of my in car unit, plus all kinds of looks into the gauges and stuff like temp and oil pressure. I also thought it was supposed to simplify the hook up of the car stereo.Don't believe ANY of that!

First off, the instructions DID NOT match the unit I have. Connectors were different (changed) on the unit shipped from what the instructions show. No explanation on how to hook up the new wires.

Second, I still had to solder a LOT of wires. It may have simplified SOMEWHAT the soldering, but there is still a LOT more to do. I thought this was going to be plug and play. It is NOT.

I contacted iDatalink and got NO RESPONSE. Crutchfield responded quickly, but ended up saying for me to get the mic function that is built into my car, I would have to hard wire in a whole new mic...

All in all this unit was a lot of broken promises and expectations...

Pros: None

Cons: It does NOT work as advertised, and makes more promises than it can deliver.

It Works But Not 100%

Written By Cory, Bakersfield, CS on Monday, February 02, 2015

Crutchfield Customer Review (What's this?)

This setup worked with my existing factory setup but needless to say if I didn't have a friend who is well versed in stereo install I would of been lost. It works though but not until after much troubleshooting with my Pioneer head unit. What frustrates me the most is that after flashing the module with my exact head unit, the module didn't work. Only after a suggestion from Crutchfield to flash the module with a generic Pioneer firmware did the box work. Why allow you to choose your specific unit if it won't work? Strange. Still missing the turn signal sound from my vehicle.

Pros: Combines well with factory system

Cons: The flashing if your exact model stereo (Pioneer) isn't always right

Very Necessary Device

Written By Rob, Michigan on Sunday, February 01, 2015

Crutchfield Customer Review (What's this?)

This product is a must for anyone wanting to retain the original vehicle features (such as OnStar, warning chimes, steering wheel controls, etc) with their aftermarket stereo receiver. It is actually pretty easy to install and enables you to print very detailed installation instruction (for your vehicle) from the Maestro website once you complete the required online setup (called flashing). However, don't miss the fine print. This unit can only be setup to work with you specific vehicle, via the use of a PC with internet access. You will need administrative rights to the PC you use for this so you can download the required Active-X file. No Mac computer allowed for this process.

Pros: Works great! Easy to install with detailed wiring diagrams.

Cons: Can only be setup with a PC! No Mac computer will work for the required online initial setup!

Works Great!!

Written By Eddie R., Tennessee on Wednesday, January 21, 2015

Crutchfield Customer Review (What's this?)

Fairly easy to setup and use. Had a few bugs to work out after install but the great support took care of them in short order. Worked fraet with the Sync on my Ford Super Duty.

Pros: Great product

Cons: No cons.

perfect for my 2015 Jeep Unlimited

Written By Anonymous, Arrington, TN on Tuesday, January 20, 2015

Crutchfield Customer Review (What's this?)

Perfect! Love that you can customize your steering wheel controls. I have used it for 2 weeks now and everything does what it is supposed to do.

Pros: Easy to set up customize steering wheel controls plug and play. So easy! Allows me to use my factory bluetooth

Life saver

Written By Mark, Myrtle Beach on Sunday, January 18, 2015

Crutchfield Customer Review (What's this?)

Cut install time by 1 hour.

Pros: Everything

Cons: None

Park Sense and Uconnect not supported 2005 Jeep Grand Cherokee

Written By Andregg, Virginia on Saturday, January 17, 2015

Steering wheel controls are the only retained item for 2005 Grand Cherokee limited. Uconnect isn't a big deal but the parking sensors no longer work when the maestro is in the system. The product is sold with the belief you retain all features that were factory until you install it and then begin the task of troubleshooting only to find that for a given software download and your make/model/year that only some features work.....Painful

Pros: Fairly simple wiring harness, except OBD II connections

Cons: Lost 2 out of 3 factory features

Tricky to get set up but works great

Written By RobP, Nevada on Friday, January 16, 2015

Crutchfield Customer Review (What's this?)

Make sure to check your pc capabilities before buying this unit. I had to try 3 separate laptops to finally get the website to flash the module to make it work.

Pros: item works great and it retained all steering wheel controls.

Cons: Using the modules website was a pain and i wish you could customize the button layout/controls.

Does not retain UConnect on 06 Jeep Grand Cherokee

Written By BobbyH, Houston, TX on Tuesday, January 06, 2015

Firstly, both Crutchfield and iDatalink have been extremely friendly and helpful throughout all my questioning and research. However, it stops there... I've spend at least the past 3-4 days troubleshooting my so called "retained" OEM features just to find out that iDatalink's firmware, well actually the module itself, doesn't support 2006 Jeep Grand Cherokee with UConnect. Granted the steering wheel, amp fader, and other audio features are supported. This still doesn't change the fact you're paying for a feature that doesn't work and sold as if it does. I spoke to a rep at iDatalink, and she apologized about the delay on the front page of their website. Crutchfield may not even be aware of this, but it's definitely something to note if you were indeed looking to keep that stuff going.

Pros: Customer service was great.

Cons: UConnect advertised to work on 06 Jeep Grand Cherokee doesn't.

Great Interface - Once You Get It Figured Out!

Written By RobR, Illinois on Tuesday, January 06, 2015

Crutchfield Customer Review (What's this?)

The unit works great, but isn't as simple to hook up as I was thinking. I'm sure it is simpler than another unit I purchased, but not the easiest. The worst thing is, it only works with window. Beware Mac users!

Pros: Works Well

Cons: Only compatible with Windows. Somewhat complicated.

It works

Written By Anonymous, Groves, TX on Sunday, January 04, 2015

Crutchfield Customer Review (What's this?)

Easy to install so don't let all the wires put you off,forgot a wire and the helpline sorted it out in less than a minute,all controls work great.

outlook saturn

Written By Nate, southeastern Mass. on Friday, January 02, 2015

Crutchfield Customer Review (What's this?)

Opened box read instructions and all went well. No real complaints. Only issue was my reading of MasterSheet and the difference between using factory amp and not using. A quick 5 minute to Crutchfield and my doubts were gone ant proper harness connections were made. So far so good.

Pros: Does what supposed to radio and accessories all work. A novice like me installed it

Cons: A lot of harness to pack in under the head unit on my Saturn outlook.

iDatalink Maestro ADS-MRR Interface Module

Written By Anonymous, Ohio on Tuesday, December 30, 2014

Crutchfield Customer Review (What's this?)

easy to install

iDatalink Maestro ADS-MRR Interface Module

Written By Linda K, Illinois on Friday, December 19, 2014

Crutchfield Customer Review (What's this?)

Easy to install.

iDatalink Maestro ADS-MRR Interface Module

Written By Anonymous, Krum, Tx on Monday, December 15, 2014

Crutchfield Customer Review (What's this?)

Very disappointed in the installation instructions. To flash the module I had to use a friend's windows based computer. I doubt I'm the only person in the world using Apple! Once I searched a forum I figured it out. It works well but not what I've come to expect from a product bought from Crutchfield.

Pros: Works well once I figured out how to flash it.

Cons: Installation instructions stink!

Installed with DNX891HD in 2006 Chrysler 300c

Written By Joe Turner, Gardendale, AL on Tuesday, December 09, 2014

Crutchfield Customer Review (What's this?)

I installed this unit with a Kenwood DNX891HD in a 2006 Chrysler 300c. I couldn't find a lot of information specific to my car, so I figured I would add some notes here:

1. You can go to the iDatalink website and run a simulator for your car that will show you what will work once you program it. This was very helpful.

2. I had to call customer service because the additional harness that is necessary had been wired incorrectly for the ODBII connectors. They were very helpful and knew exactly what the problem was, and they sent me directions on how to re-pin it.

3. This does allow for gauges to show up on the 2006 300c. It also would have allowed me to keep my uconnect. I bypassed the factory amp, and you can turn the factory amp back on from within the Kenwood interface. If you bypass the factory amp, it bypasses the factory speakers, making it unnecessary to cut all of their connections when adding all new amps. You can change many of the other parameters as well.

4. Be careful if you zip tie it inside the car. The reset button protrudes out, and my zip tie got stuck over the button, causing it to continuously reset, which made my system not display.

Pros: Works great!

Cons: They should have provided information about the mis-pinned wires. When I called Crutchfield they knew nothing about it, but when I called iDatalink they knew immediately. You would think they would spread the word to their dealers. I also wish the reset button was recessed.

Excellent

Written By Brian R, North Carolina on Sunday, November 30, 2014

Crutchfield Customer Review (What's this?)

Very nice product to retain steering wheel controls and Ford Sync for aftermarket HU's. Installed along with a Kenwood DNX691HD and so far i'm happy with the results. Installation was pretty straight forward especially since I used the vehicle specific Ford wiring harness that I purchased separately. Works very well.

Pros: Compact, easy installation, maintains steering wheel audio functions

works great

Written By Anonymous, Plant City on Sunday, November 30, 2014

Crutchfield Customer Review (What's this?)

Made installation a snap.

09 enclave... Worked for a bit...

Written By Jason, Chicaho on Monday, November 24, 2014

Crutchfield Customer Review (What's this?)

It took 3 hours to flash it. It uses windows only!! Tech rep was awesome!! The controls worked but has static when you the steering wheel controls... And after a week, they dont work. The ding still works, but no response from the radio. Simply not worth taking it all apart again to send it back.

Pros: Its plug and play. An awesome tech team for support!

Cons: Windows, windows windows! Instructions are very limited but you can work with them and it seems to have stopped working for no reason!

A+ Great!

Written By Anonymous, Bourbonnais, IL on Tuesday, November 11, 2014

Crutchfield Customer Review (What's this?)

This product was an easy install and worked great in my 2014 F150 XLT with a Pioneer AVH4000NEX.

Works great

Written By Donn, Lake Forest, CA on Friday, November 07, 2014

Crutchfield Customer Review (What's this?)

2012 Dodge Caravan. All factory functions work great.

Pros: I kept all of my steering wheel and backup camera controls.

Cons: Instructions can be a little vague but it's not really too bad.

Must bup for GMC Sierra

Written By BrownGuy, Virginia on Thursday, November 06, 2014

Crutchfield Customer Review (What's this?)

This is a must buy for GMC SIERRA. Allowed me to keep everything factory even SiriusXM. These made the installation simple. I didn't have to hunt or look for wires. I'm still able to use the steering wheel controls and was able to program them to however I wanted them. The flashing was simple and quick with their online interface.

Pros: Easy install, program what you want the buttons to do

Cons: Price. Half off with Crutchfield

Nice Module

Written By Malcolm, Dallas, TX on Thursday, October 30, 2014

Crutchfield Customer Review (What's this?)

Used to retain factory chimes, SW controls, onstar, and backup system features. Easy install into vehicle. Programming was easy with the idatalink site. I had to get use to new chime sounds but no big deal...was like driving a new vehicle.

Pros: All of my factory features still work

Makes install a breeze

Written By Easy install, Chicago il on Monday, October 20, 2014

Crutchfield Customer Review (What's this?)

Easy flash with website and makes everything work! Steering controls are customizable!

Pros: Easy install and setup

Cons: Another box to hide in dash

Great Unit

Written By Dan, Springfield, OH on Sunday, October 19, 2014

Crutchfield Customer Review (What's this?)

Excellent. This module retained all Microsoft Sync features in my 2013 F-150. Even the secondary display works! Couldn't be happier!

consumer

Written By scott d, steel, mo on Thursday, October 16, 2014

Crutchfield Customer Review (What's this?)

I found that it works good.

Pros: Had no problem flashing the unit and installing it

Cons: A little complicated for just steering wheel control interface .

Idatalink review

Written By Kevin, South la. on Tuesday, October 07, 2014

Crutchfield Customer Review (What's this?)

Really easy to download and program install was a breeze

Pros: Really easy to install

Cons: Hate the turn signal speaker sounds bad.

awesome interface

Written By Kilovars, Phoenix, AZ on Tuesday, October 07, 2014

Crutchfield Customer Review (What's this?)

Navigating the set up was confusing but finally figured it out. Went to the FAQ's on the web site to determine that the internet address provided for actually programming the device options was not correct, and other consumers had the same issue so I guess it was not just me. Overall a great and highly recommended product if you want to use your vehicle's external steering wheel controls. Worth the money no doubt!

Pros: Works well and provides a lot of flexibility for controlling your deck with OEM vehicle controls.

Cons: Instructions were confusing but once navigated the site correctly it worked well and have had no problems!

maestro

Written By data interlink, colorado springs co on Sunday, September 28, 2014

Crutchfield Customer Review (What's this?)

worked great help from tech support was thorough and easy

Pros: works great

Cons: none

Pretty cool

Written By Terry B, Ohio on Tuesday, September 23, 2014

Crutchfield Customer Review (What's this?)

Installed in my 09 Silverado with the Kenwood DNX891HD head unit. This unit work as advertised, fairly easy to flash the Maestro to match your vehicle. Just make sure you flash this little unit with the correct parameters. For example if your vehicle does not have any digital displays ie.(speedometer) then don't tell the Maestro you want gauges displayed on your radio, it locked up my radio and resetting did not even work had to disconnect battery to reset radio. Thanks to a call to Crutchfield and some trial and error got system to perform as expected.

Pros: Works everything it supposed and sync'd with vehicle with no problem

Cons: None

Great product

Written By Chad b., Sandy, oregon on Saturday, September 20, 2014

Crutchfield Customer Review (What's this?)

Works excellent once programmed. Getting it to link and program was tough would not recognize the unit on multiple attempts but then finally connected.

Pros: Integrates vehicle controls flawlessly

Cons: Getting programmed initially

iDatalink Maestro ADS-MRR

Written By Donnie, Azle, TX on Tuesday, August 19, 2014

Crutchfield Customer Review (What's this?)

Bought a Kenwood GPS receiver and had it installed locally. Everything works!

iDatalink Maestro ADS-MRR Factory Integration Adapter

Written By Armando, Florida on Wednesday, August 13, 2014

Crutchfield Customer Review (What's this?)

This product makes your stereo even better by integrating with your factory vehicle.

Pros: integrating with your factory vehicle.

Cons: must be flashed, not that big of a deal but would be great if they came already programmed for a specific vehicle. Could save a little time if they were.

Almost Perfect!

Written By Titus, Myrtle Beach on Tuesday, August 12, 2014

Crutchfield Customer Review (What's this?)

This unit integrated my Pioneer 4000nex into my 2006 Dodge Magnum SRT8 almost perfectly. I did loose fade capabilities, because the factory amplifier only accepts inputs from the rear speakers. I also have to switch the rear with the front speaker wires in the harness to be able to hear phone calls. I wish the Maestro could compensate for this. However I was able to retain my advanced EVIC display which I am thrilled about!

Pros: Makes installation easy! Retains most functions.

Cons: Lost Fade capabilities. (firmware update?) Need to switch wires to function properly (for phone calls) Loose radio station info on EVIC display.

Sick adapter

Written By hd_dh, Las Vegas, NV on Tuesday, August 05, 2014

Crutchfield Customer Review (What's this?)

Easy install to my kenwood. Takes my receiver over the top with its gauges and AC control. I would highly recommend it

Pros: easy to flash, easy to install

Cons: none

Not As Advertised!

Written By SamA, El Paso, TX on Tuesday, August 05, 2014

It took me some time before I purchased this product. Maybe that is why I only rated it 3 stars. Advertised: purchase this product to "retain steering wheel controls and factory amp" This is not accurate at all. I should have listened to some of the lower rated reviews, but you always think some people are just upset. I had this professionally installed by a certified Kenwood Dealer along with a Kenwood 691HD head unit. The steering wheel controls do work but have been altered to do different things other than what the factory settings were. The turn signals and hazards have been altered to some annoying clank and the timing is completely off. So, basically my personal opinion: is that if I knew I would have to listen to the generic fake chimes that this unit is producing, and the controls this activates on the steering wheel, I would have never bought this thing and lost the controls and chimes. Shame on Crutchfield for what I believe is making this unit seem better that what it is and not being forth coming with the information that it is basically a toss up on the interaction at feature when properly installed.

Pros: Your head unit works.

Cons: Not as advertised!

Crutchfield response on Monday, August 18, 2014 It's too bad the ADS-MRR didn't work out for you. For other people in this situation, the button assignments can be re-programmed to suit your needs. The installer could've "re-flashed" the device to change those settings for you. There's not much to be done about the sound of the chimes and turn signals, but repositioning the chime speaker might've helped decrease the delay. What's more, since you have an iDatalink compatible Kenwood receiver, in the stereo's Setup menu, you can adjust the door chime volume directly. This also might help alleviate the delay.

Perfect

Written By Ken, Iowa on Monday, August 04, 2014

Crutchfield Customer Review (What's this?)

Use this unit in our 2014 GMC Savana Van. It was the only one that assured we retained all of our door chimes and lighs on warning signals.

Pros: Plug and play

Cons: none

Must have!

Written By Greg, Near PGH, PA on Thursday, July 24, 2014

Crutchfield Customer Review (What's this?)

If you have any kind of factory hands free/steering wheel controls, you absolutely MUST get one of these. The ease of integration and programming, plus the added features and of course retaining the factory controls and SYNC in my case, is invaluable.

Pros: Easy to install and use! Excellent customer support from the MFG!

Cons: None.

iDatalink Maestro ADS-MRR

Written By Lbubba, N. California on Saturday, July 19, 2014

Crutchfield Customer Review (What's this?)

This adapter works great and the customer support is awesome. I installed this in a 2006 Ram and still having problems with it not tuning my factory amp on every time. But, this thing will integrate your factory bells and whistles very nicely. It is highly customizable and seems to be very stable even in the N. Ca summer heat.

Pros: Easy to set up Customizable

Cons: Have to remove to re-flash Have to have a windows machine to flash

Nice, but not as advertised

Written By Daniel, Mobile, AL on Wednesday, July 16, 2014

The device has numerous options with the programmable interface, but does not have any additional features over the competition in my 2013 Jeep Wrangler. Several desirable features do not work from the device despite complete, correct connections as per the instructions and correct harness (sold seperate)

Pros: Easily customizable buttons

Cons: Does not correctly translate illumination wire, radio stays fully bright all the time Does not detect reverse, had to go around the device to the reverse light switch. Does not translate speed pulse, making problems with A/V and GPS Navigation. Does not pass Track or GPS information back to the Chrysler Uconnect EVIC display, an OEM function.

Crutchfield response on Tuesday, July 22, 2014 Unfortunately, the last issue mentioned (sending track or GPS information back to the Uconnect display) can't be fixed. According to our Techs, that's not something that can be done once you install almost any aftermarket stereo. Our Tech Support team has reached out to the customer to see they can help solve some of the other problems. Remember, lifetime Tech Support comes free with any Crutchfield purchase.

Maestro

Written By Rob, Alabama on Monday, July 07, 2014

Crutchfield Customer Review (What's this?)

I installed this on a 2011 Silverado and everything worked except the Truck Bluetooth. I'm very happy with this purchase. I did not have to cut any wires on my truck.

Pros: Didn't have to splice any wires on my truck. Programming the unit for my truck was very easy......

Cons: Factory Bluetooth didn't work and I didn't like the factory sirius interface with the Kenwood. The station or title didn't show up on the screen. The only information was the channel number. I installed an aftermarket satellite tuner and it worked much better.

Everything Works!

Written By Dave M., Aurora, CO on Monday, July 07, 2014

Crutchfield Customer Review (What's this?)

Easy install for all those wires.

Pros: All my vehicles buttons still work

Cons: none

Great Product

Written By hoefs13, St. Paul, MN on Wednesday, July 02, 2014

Crutchfield Customer Review (What's this?)

Allowed me to continue to use my steering wheel controls. Down the road if I upgrade head units I'd like to see it's other capabilites.

Pros: Fairly easy to install. Allowed me to retain current functions

Cons: None so far.

Just like factory

Written By BillC, Harrisburg, PA on Monday, June 30, 2014

Crutchfield Customer Review (What's this?)

The idatalink Maestro worked as advertised. I had to do a little soldering and what not but no problems. Installed it and it worked. The only thing that was an inconvenience was the lack of Apple support. But luckily the neighbor came through and let me use his (PC) laptop to do the programming. Other than that, I had no problems and would recommend this product.

Pros: Simple to program. Adapter is fairly small and easy to tuck out of the way.

Cons: Must have a PC to program. And a little labor intensive, not a plug and play device.

Lots of functions for such a little box

Written By Todd, TX on Monday, June 30, 2014

Crutchfield Customer Review (What's this?)

Great product for plug and play and allows my to view a lot of the gauges for my Silverado and see ce codes when thrown. The current model that I have does have a few annoying factors with one of the ways it gets hooked up. Whenever the blinker clicks it cuts out the front left speaker which is annoying. I found out how to turn off the alarm but other alarms from car like low gas or seatbelt also cuts off the speaker.

Pros: Can see lots of gauges from truck, very programmable.

Cons: Sound cut off is very annoying however this model is now discontinued so the replacement may have fixed that.

iDatalink Maestro ADS-MRR Interface Module

Written By Bob, Brunswick, ohio on Tuesday, June 17, 2014

Crutchfield Customer Review (What's this?)

worked great in the beginning has some issue with excessive heat I need to relocate

Neat but not ready for prime time

Written By 762x51, Greensboro, NC on Monday, June 16, 2014

Crutchfield Customer Review (What's this?)

I bought this to integrate a Kenwood DNX691DX into my 2010 GMC Sierra XFE and while it did integrate most of the functions, missing were some of the chimes (door open for example) and reasonable integration for the OEM XM receiver. If you select the XM receiver from the main menu then you will get a message to check the receiver. You have to go to the first sub menu, select "My Sierra", then XM radio from that screen to get the XM radio to work. Very distracting while driving!! Another quirk is the chimes that do work... If you adjust the chime volume so it doesn't blast you out of the car then you cannot hear the turn signal reminder.

Pros: Makes connecting a radio to your car/truck somewhat easy and it will pass some of the vehicle's data to the radio.

Cons: Finding documentation and connection (maestro - radio - vehicle) data is difficult. iDataLink's WEB site isn't easy to navigate but with patience you will eventually find the info you need to install their device.

Nissan Integration iDatalink Maestro ADS-MRR

Written By Rey, Toms River NJ on Thursday, May 29, 2014

Crutchfield Customer Review (What's this?)

This is a great product. I was able to integrate the Maestro Rr with my new Kenwood DNX891 head unit and keep my Steering controls. I am able to view gages and ODBII Engine diagnostics on the Kenwood until. I was able to easily link the Kenwood until the factory Bose amplifiers / Speakers

Pros: Easy instructions for connections based on vehicle type. The firmware flashing process for vehicle was easy to follow. Nice having the ability to view vehicle info on my head until Read/Reset Check Engine Codes. I can view dash gauges. My steering wheels controls work great and can be reprogramed to accommodate different functionality.

Cons: I had to call Crutchfield connection points for reverse and parking brake as they were not provided in the harness. The Crutch filed web site said the Maestro Rr was not compatible with my 2011 Nissan Maxima even though it's fully supported by ADS Idatalink.

5 DAY INSTALL

Written By CHRISTIAN, CA on Tuesday, May 27, 2014

I'm on day 5 and the unit still does not work. I installed the Maestro RR with the suggested GM harness, a Pioneer AVIC-6000NEX, in a 2007 Chevy Avalanche. After the initial install, the steering wheel controls worked, but I could not get my dash lights to turn off, even when the vehicle was off. The speaker output was almost nonexistent and the amp turn on was blowing fuses. After several hours of going over the wiring, and in fear of blowing up my amp and head unit, I put the install on hold. I called IDATA in the morning and the tech told me that the pink and white wire was seated incorrectly on their harness. I removed the wire and put it into the correct pin placement. The tech also told me to remove the "blockers "(an inline series of caps) from the speaker wire. These steps seemed to do the trick. However, after about 5 minutes the volume began to increase and decrease all on its own. I had to turn the volume down manually. Then the steering wheel controls ceased to work at all. I called tech support again and they told me that I needed to solder a 47 ohm resister on the red wire of the control plug. I performed that task. The volume still has a mind of its own and the steering wheel controls do not respond. I'm not certain what they will suggest next. I'm incredibly frustrated. IDATA seems to desire to place blame on Pioneer. I have three letters for you, if you are planning a Pioneer head unit install with the Maestro, PAC.

Crutchfield response on Wednesday, June 04, 2014 The customer decided to return the ADS-MRR after going way above and beyond in troubleshooting the situation. Normally, the MRR does not require this kind of headache. We're reviewing this application and will document things accordingly so the next Avalanche owner knows what to expect.

MEstro

Written By Duncan, Saint Martinville, la on Saturday, May 24, 2014

Crutchfield Customer Review (What's this?)

Works great, better than expected!

Good Product

Written By Jeremy C, Tullos, LA on Saturday, May 10, 2014

Crutchfield Customer Review (What's this?)

Great product. Installation was a pain but keep your cool and you'll get through it. Glad I got it from Crutchfield, because they have awesome tech support. The product does exactly what it says. Make sure you buy the maestro wiring harness for your vehicle (sold separately).

Pros: CRUTCHFIELD TECH SUPPORT! Lol. Kept my steering wheel controls. And got to program what each button does.

Cons: Installation sux. You have to have internet explorer. A lot of wires and a box you have to stuff in your dash.

Is this the best you can do?

Written By Mo, Atlanta, GA on Saturday, May 10, 2014

Crutchfield Customer Review (What's this?)

Seems to work great. Here's my problem. I'm an enlightened Mac user. It's all I use. I pay extra because their products work. I have a several years old iMac. Works like a boss. I have three iBooks. Awesome. iPods, iPhones... All of my friends are enlightened Mac users. I get this thing in the mail and it not only requires a PC to flash software for my application, IT REQUIRES INTERNET EXPLORER! Ok, maybe you use PC's, you're forgiven. Do you honestly have the latest version of internet Explorer? You will, if you buy this product. I was not happy when I had to start calling people asking if anyone would mind me using their PC's so that I could install my new sound system.

Pros: It works fine.

Cons: It only works with PC and Windows Explorer 7 or higher. Plus you have to install a third party software to flash the thing.

iDatalink Maestro ADS-MRR

Written By Trent, WTH, IN on Friday, May 09, 2014

Crutchfield Customer Review (What's this?)

It worked after I called and got another one sent. Flashing the module on my 08 GMC required me to turn off turn signal click in order for it to not shut off all the speakers on the left side of my truck when the turn signal was on. If you have a GM and use this good luck.

Pros: Kept my steering wheel controls

Cons: Poor information regarding the flashing process.

Maestro 2014 GMC

Written By Montgomery, Texas on Wednesday, May 07, 2014

Crutchfield Customer Review (What's this?)

This product allows you so many functions. I was able to display gauges and other info on my Kenwood.

Pros: - The gauge function. - Double up on steering controls - Great price - I was able to use factory XM

Cons: - you should have a pro install it. There are a lot of setup tricks.

Works

Written By David, Albany NY on Friday, May 02, 2014

Crutchfield Customer Review (What's this?)

Seems to work well. Downloading the new file on it was simple and easy. As far as wiring goes it's definitely recommend that you buy the wiring harness for this you because it's a sea of wires if you dont.

Pros: Keeps my steering wheel controls and factory subwoofer

Cons: Recommended wiring harness definitely makes things a lot easier

Naestro works perfectly

Written By B Pepper, Athens Alabama on Friday, May 02, 2014

Crutchfield Customer Review (What's this?)

I'm usually hesitant to give a 5 star rating but this device worked perfectly and was easy to install. I have a 2012 Jeep Wrangler and everything worked flawlessly.

Pros: Easily adapts to your vehicle by connecting it to your computer and then going to the iDatalink website, selecting your vehicle, steering wheel type and stereo. Just click the flash button and your Maestro is programmed.