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Crux CS-GM29 Wiring Interface

Connect a new car stereo and retain steering wheel controls and factory amp in select 2006-up GM-made vehicles

Item # 249CSGM29

The Crux CS-GM29 interface allows you to install an aftermarket radio in select 2006-up General Motors vehicles...

Find what Fits your car

The Crux CS-GM29 interface allows you to install an aftermarket radio in select 2006-up General Motors vehicles...

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Item # 249CSGM29

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$99.99
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About the Crux CS-GM29 Wiring Interface

Install a new radio and keep your factory features

The Crux CS-GM29 interface allows you to install an aftermarket radio in select 2006-up General Motors vehicles while retaining your warning chimes. The interface works in GM vehicles with or without a factory amplifier. If you're installing a Pioneer, Sony, Alpine, Clarion, Kenwood, JVC, or Blaupunkt car stereo, you'll retain the use of your steering wheel audio controls.

Install a new radio and keep your factory features

The Crux CS-GM29 interface allows you to install an aftermarket radio in select 2006-up General Motors vehicles while retaining your warning chimes. The interface works in GM vehicles with or without a factory amplifier. If you're installing a Pioneer, Sony, Alpine, Clarion, Kenwood, JVC, or Blaupunkt car stereo, you'll retain the use of your steering wheel audio controls.

If you're installing a car stereo with a video screen and a camera input, you'll retain the use of your vehicle's backup cam. The interface also offers the reverse, mute, and Vehicle Speed Sensor (V.S.S.) outputs that you'll need if you're installing a navigation receiver. The system also keeps the Retained Accessory Power feature and the factory subwoofer (if present). It includes the control module and vehicle and steering wheel control harnesses.

Please enter your vehicle information or call an Advisor at 1-888-955-6000 to find out if the CS-GM29 is compatible with your vehicle. Warranty: 1 year.

READ LESS

What's in the box:

  • Radio replacement interface
  • GM-29 harness
  • Amplifier/Backup camera harness
  • SWC harness
  • Antenna adapter
  • Installation Instructions
MFR #CS-GM29

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Crux CS-GM29 Wiring Interface reviews

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Crux CS-GM29 Wiring Interface

Crutchfield customer from Media, PA on 9/5/2019

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This made the installation easy a must-have item.

Pros:

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Easy swc integration

Crutchfield customer from Broomfield, CO on 8/18/2019

2010 GMC Sierra

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This was easy to wire in to integrate the steering wheel controls to the new head unit in my gmc sierra. I like the alert chime module has an adjustment for how loud the door chime is so it isnt annoyingly loud.

Pros: Quick and straightforward wiring connections.

Cons: There is a slight delay sometimes when changing volume with steering wheel button but it isnt long so it's not a huge deal

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Either manufacturer or Crutchfield dropped the ball

Crutchfield customer from Chicago, IL on 8/11/2019

2007 GMC Sierra

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I ordered the pre-wired kit for the additional fee. After completion, the steering wheel controls did not work. Crutchfield throught the problem was the Crux module - having me take everything apart, disconnecting, resetting DIP switches, etc. Nothing helped, so they sent a new kit...not pre-wired...to replace the module. This is when I noticed the second kit had an additional steering wheel harnesses labeled "Alpine" which my first kit did not even have. I used this and they started working. I am a bit displeased with Crutchfield in that the correct harness was not initially included and that they never asked during the problems diagnosis if I installed harness a or b which would have solved the problem right away (I assumed that because there was only one in the first kit that it was the correct one). Also, the splicing is poor and has exposed wiring because too much wire was stripped and then not taped. They job may look OK to someone who doesn't know how wiring should look, but a quarter inch of exposed wiring at the ends of the splice is not OK and may cause electrical shorts to power/ground if wires touch which could ruin the new receiver or leave functionality inoperable. I should have saved the money and done the job right myself.

Pros: None

Cons: Not everything included, splicing is poor and has exposed wiring because too much wire was stripped and not taped.

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Crux CS-GM29 Wiring Interface

Crutchfield customer from Phoenix, AZ on 7/28/2019

2014 Chevrolet Express

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This made installing it very easy. I used this on 2014 Chevy express 1500 van.

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Crux CS-GM29 Wiring Interface

Crutchfield customer from Perryton, TX on 7/15/2019

2008 Chevrolet Silverado

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Kit works great with my sons 2008 chevy 2500 with Bose door Chi meet is adjustable so that's a plus don't gotta hear a loud ding always

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Crux CS-GM29 Wiring Interface

Crutchfield customer from Medford, OR on 7/14/2019

2009 Chevrolet Silverado 1500

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Loved this wiring kit, it was so easy to use and easy to install. I'm very happy with it. It looked intimidating until I put it together and all the adapter worked perfectly.

Pros: Easy install

Cons: Looked intimidating

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Amazing product that actually works

Crutchfield customer from Bainbridge, NY on 5/4/2019

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This product at first didn't work. The sound worked but steering controls didn't. So I called the tech support and they sent me a replacement for free. Plugged it in and it worked perfectly. This team is great to work with and I will always buy from crutchfield

Pros: The directions were straight forward and easy to follow

Cons: None

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Crux CS-GM29 Wiring Interface

Crutchfield customer from Frankfort, KY on 4/24/2019

2011 GMC Sierra

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Bought this to keep my steering wheel controls, chimes and onstar in my 2013 GMC Sierra 1500. Works perfect. I do wish my steering wheel controls were a bit crisper/quicker but that's a stretch for a complaint. Overall great prodcut.

Pros: Ease of use/setup.

Cons: None.

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Crux CS-GM29 Wiring Interface

Crutchfield customer from Oak Creek, WI on 3/31/2019

2013 Chevrolet Traverse

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MAKES THING SO FAST AND SIMPLE!!

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Crux CS-GM29 Wiring Interface

Crutchfield customer from Shreveport, LA on 3/13/2019

2008 Chevrolet Suburban

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A little bulky which makes it a tight fit but it works as it should.

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Great interface

Crutchfield customer from Williamston, MI on 2/18/2019

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Great interface, works well with a 2010 Chevy Avalanche. Thanks for all of the help Crutchfield!

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Fast and easy

William from Caledonia, MS on 1/29/2019

2009 Chevrolet Silverado 1500

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Took 30 minutes from start to finish. Wouldn't have even tried it on my 2009 Silverado without the kit

Pros: Everything is labeled on the harness and the instructions are straight forward

Cons: None

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Crux CS-GM29 Wiring Interface

Bill from Canton, SD on 1/8/2019

2011 Chevrolet Tahoe

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Great product. Easy to use and install. All of the integrated controls/ cameras from the car work as they should with a new aftermarket deck.

Pros: Easy connectivity with diagrams and schematics.

Cons: Fits tight behind deck

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Crux CS-GM29 Wiring Interface

Crutchfield customer from Pearland, TX on 12/14/2018

2010 Chevrolet Silverado

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Pleased with this product

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0 of 0 found this helpful

Great interface

Dave from Brush, CO on 12/13/2018

2008 GMC Sierra

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Easy to install radio with this kit. Everything was included to make a great install. The interface worked flawlessly with my steering wheel controls and all the factory alarms worked as they should.

Pros: Easy to install, everything needed to use the factory features.

Cons: none

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Crux CS-GM29 Wiring Interface

Chris from Warner Robins, GA on 11/18/2018

2008 Chevrolet Silverado

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Fit perfect. Everything worked as described

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Crux CS-GM29 Wiring Interface

Al from Ripley, WV on 8/9/2018

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Everything fits. Crutchfield staff is extremely friendly and helpful.

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Crux CS-GM29 Wiring Interface

Crutchfield customer from Shorewood, IL on 8/9/2018

2013 Chevrolet Silverado 1500

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Excellent kit and easy install retains all the factory stuff like OnStar steering wheel controls and backup camera.

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Crux CS-GM29 Wiring Interface

Keith from Morris, IL on 6/29/2018

2008 Chevrolet Silverado

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Easy install had switch on wrong setting at first.

Pros: Easy install. Sounds great!

Cons: None

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Crux CS-GM29 Wiring Interface

Joetta from Lagrange, GA on 6/29/2018

2011 Chevrolet Silverado 1500

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Everything worked perfect. Easy trand action. Thank you

Pros: Worked great. No issues.

Cons: None that I have found.

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0 of 0 found this helpful

Crux CS-GM29 Wiring Interface

Crutchfield customer from Grafton, IL on 6/27/2018

2010 Chevrolet Impala

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Does everything it says it will do.

Pros:

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Crux CS-GM29 Wiring Interface

Crutchfield customer from Wake Forest, NC on 6/1/2018

2011 GMC Sierra

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I have a 2011 GMC Sierra. Harness matched up perfectly with no issues at all. Crutchfield was great to work with and received the product in like 2 days.

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Crux CS-GM29 Wiring Interface

Jason from AZ on 4/12/2018

2007 Chevrolet Avalanche

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Great product and interfaces well with the vehicle, three things though: The illumination wire from the existing vehicle plug didn't have a wire in the new harness so that had to be bypassed. It has a wire that goes from the gmlan unit to the headunit, which outputs 12v fulltime regardless of illumination setting, but no wire that went to the existing factory harness (which does have an illumination wire), don't know if the illumination data is contained in the gmlan or not, I think it does but might be vehicle specific PID. The chime sound is a little on the weak side, took a little bit of adjustment in fitting in the dash to get the best sound out of it (good thing it's a compact unit), it would be nice to see a future integration similar to stock or a modular chime design. When using reverse parking system the beep is great, it's a little more rapid than the stock three speed beeps and gives more feedback as the speed of the beeps ramp up the closer you get to an object. It does occasionally lockup on that beeping sound though and the chime just stops, never a hard lockup and always resettable by taking it out of reverse and back in again. Overall a great product and very helpful in interfacing with my 07 Avalanche and Eonon ga2168. Used "western-union" splices with solder and heat-shrink when I installed the unit for very solid connections.

Pros: Almost everything needed to integrate with somewhat late model GM vehicles, worked well with my 07 Avalanche. Revived the Bose factory amplified system, great sound!

Cons: Chime is a bit weak and really tinny, not a deal breaker though, still works very well even with the reversing hiccup once in a while. Needs illumination wire to factory harness or bypass.

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2 of 2 found this helpful

Easy installation

Crutchfield customer from Sparta, WI on 4/8/2018

2006 Chevrolet Impala

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Easy to install. Instruction included easy to follow

Pros:

Cons:

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Crux CS-GM29 Wiring Interface

Crutchfield customer from Bethany, CT on 4/8/2018

2010 Chevrolet Silverado

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Sales people very helpful. Delivery was fast. Haven't put in yet but everything looks excellent and good quality.

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Crux CS-GM29 Wiring Interface

Crutchfield customer from Moberly, MO on 3/19/2018

2010 Chevrolet Silverado

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Easy install. Would buy again

Pros:

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Crux CS-GM29 Wiring Interface

Crutchfield customer from Caseyville, IL on 2/25/2018

2008 Chevrolet Silverado

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great product, very detailed instructions. exactly what i needed

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Crux CS-GM29 Wiring Interface

Crutchfield customer from Charleston, IL on 1/8/2018

2000 Jeep Wrangler

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Worked just like it should.

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0 of 0 found this helpful

Crux CS-GM29 Wiring Interface

Ben from Irving, TX on 12/31/2017

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Super easy install, Works perfect, tech support is awesome A plus

Pros: Easy Easy

Cons:

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Crux CS-GM29 Wiring Interface

Crutchfield customer from Bridgeville, DE on 12/6/2017

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Everything worked great and made the install easy. Just read the labels and you're good to go. Get a extra pack of the wire nuts in case you need them for the speakers.

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Crux CS-GM29 Wiring Interface

Crutchfield customer from Fruitland, MD on 11/30/2017

2001 Honda Prelude

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Great Product, Worked Amazing. Made things quick simple and easy. Did have to buy a mini usb female to make connection because the opening wouldn't allow me to plug my factory

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Crux CS-GM29 Wiring Interface

Crutchfield customer from Houston, TX on 11/19/2017

2006 Chevrolet Impala

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Double check the wiring diagrams that come with your radio to make sure they all line up with the ones on this kit. My radio had 2 solid red wires with only light gray text to tell them apart.

Pros:

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Crux CS-GM29 Wiring Interface

Crutchfield customer from Ewing, NJ on 11/6/2017

2010 Chevrolet Tahoe

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Installation was very easy and worked exactly like it's support to.

Pros:

Cons:

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1 of 1 found this helpful

Crux CS-GM29 Wiring Interface

Crutchfield customer from Clatskanie, OR on 10/25/2017

2008 Chevrolet Tahoe

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This product did not work on our Tahoe, Crutchfield shipped another one quickly and it did not work either, ended up sending a different brand that did. I believe this would of worked fine if our system wasn't so unique .

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0 of 0 found this helpful

Crux you hit a home run!

Tony from New Paris, OH on 10/22/2017

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If you want an interface to keep your stearing wheel audio controls and your OnStar as well as wireless calling than this is for you and all for under $50. It's super easy to install and plug right in to your vehicles wiring harness. I absolutely love it and the module is so small it tucks right behind your chosen after market head until.

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Crux CS-GM29 Wiring Interface

Crutchfield customer from Lethbridge,Ab on 10/16/2017

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Made for quick and easy installation

Pros:

Cons:

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0 of 0 found this helpful

Great Item

Dirty Dan from 92553 on 10/9/2017

2007 Chevrolet Suburban

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Easy to install works great

Pros: Works great

Cons:

Crutchfield response on

0 of 0 found this helpful

Quick and easy to install

Chad from Kansas City, MO on 10/5/2017

2013 Chevrolet Express

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Works great and easy to install

Pros: Easy to install and the labels on the wire are nice for a novice stereo installer

Cons: Several extra wires not used and the directions don't give guidance on what I should do with them.

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Crux CS-GM29 Wiring Interface

Crutchfield customer from La Crosse, WI on 9/27/2017

2012 Chevrolet Traverse

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Easy installation

Pros:

Cons:

Crutchfield response on

0 of 0 found this helpful

Works Great

Crutchfield customer from Middleton, Ma on 9/11/2017

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Very simple to wire and install. Works great. The factory steering wheel controls work great. Great product. Only down side was the factory mute button on the steering wheel was not retained, which I do not care about but some people might. Very satisfied with it

Pros: Factory steering wheel controls work along with chimes

Cons: Factory mute button on steering wheel not retained

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Crux CS-GM29 Wiring Interface

Crutchfield customer from London ky on 9/2/2017

2012 GMC Sierra

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Great product. Easy to figure out and very easy ordering. Thank you.

Pros:

Cons:

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Crux CS-GM29 Wiring Interface

Crutchfield customer from Alabama on 8/9/2017

2009 Chevrolet Tahoe

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Worked great easy to use, really like the "chime" volume adjustment feature.

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Crux CS-GM29 Wiring Interface

Crutchfield customer from Ramsey, MN on 7/31/2017

2006 Chevrolet Impala

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Works great!

Pros:

Cons:

Crutchfield response on

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Works perfectly

Scott from Bagdad, KY on 7/30/2017

2007 Chevrolet Silverado (New Body Style

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I spoke with the service at Crutchfield about which harness to get for my 2007 Silverado because I didn't need the back up camera or DVD wiring harnesses. They steered me to this one. There were right on the money. It installed without a hitch and does exactly what I wanted it to do. I saved money and got what I wanted. It's perfect!

Pros: Installs easily and does what it's meant to do.

Cons: None.

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Crux CS-GM29 Wiring Interface

Guest from Glen Rose, TX on 6/5/2017

2012 Chevrolet Silverado 1500

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Great product. Easy install.

Pros:

Cons:

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0 of 0 found this helpful

Crux CS-GM29 Wiring Interface

Dathan from Corpus, TX on 5/30/2017

2007 Chevrolet Avalanche

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Easy install

Pros: Easy install

Cons: None

Crutchfield response on

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Crux CS-GM29 Wiring Interface

Crutchfield customer from Duluth, MN on 5/21/2017

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Easy to use

Pros:

Cons:

Crutchfield response on

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Must have.

Morganne from St Paul, MN on 4/20/2017

2008 Chevrolet Silverado

Verified customer (What's this?)
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This made my install sooooo easy. The instructions are pretty cryptic when wiring the SWC wire but as long as you double check that it's the right wire using the radio's wiring manual it was easy enough to do. I just did it last so I didn't make a mistake I had to undo. I would 100% recommend this to everyone doing an aftermarket radio in a 2007.5+ Silverado. There is no lag in my SWC either I read that somewhere about this adapter. I think they did something wrong or it's the radio. One thing I did that was really stupid was put my on/off switches backwards. It took me an hour to realize it was that and not my wiring so just double check. I got too excited to finally plug it in and made a mistake there.

Pros: Ease of install Straughtforward

Cons: SWC instructions

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easy hook up

Crutchfield customer from Albuquerque, NM on 4/18/2017

2007 GMC Sierra

Verified customer (What's this?)
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Crutchfield has a fantastic tech group... this worked out great with new deck, steering wheel controls.....

Pros: tech support is the best

Cons: something going on with factory alarm.... not sure if anything has to do with wiring interface

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Crux CS-GM29 Wiring Interface

Crutchfield customer from Levittown,NY on 4/1/2017

2010 Chevrolet Silverado

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Awesome product worth every penny. Easy to hook up no programming. And any questions they are there with the answers in minutes. A+++

Pros:

Cons:

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Super Easy Install

Chance from North Dakota on 3/26/2017

2008 GMC Acadia

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These wiring harnesses made install an absolute breeze. Very straightforward.

Pros:

Cons:

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Crux CS-GM29 Wiring Interface

Crutchfield customer from Chicago, IL on 2/24/2017

2007 Cadillac Escalade

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This was a very easy installation. I have a 2007 Cadillac escalade with out the Bluetooth. After looking at all options I opted for replacing the original stereo with an aftermarket with Bluetooth. I had never installed a radio before. I watched an online video and decided to give it a try. The wiring interface was very easy to install and I was able to retain all the steering wheel controls from the OEM radio. The support team is very reliable, I'm very happy with the results.

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Crux CS-GM29 Wiring Interface

Crutchfield customer from Long Beach, CA on 1/31/2017

2014 GMC Sierra 2500/3500

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This is a great item to allow you to keep steering wheel controls.

Pros:

Cons:

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Crux CS-GM29 Wiring Interface

Crutchfield customer from San Marcos, TX on 1/23/2017

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Excellent product, all wires are color coded to match. I received it very quickly. Crutchfield employees whom I contacted were very professional and knowledgeable. I hightly recommend dealing with Crutchfield.

Pros: Everything was great!

Cons: There were no cons.

Crutchfield response on

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Super Easy

Ryan from Williston, ND on 1/19/2017

2008 Chevrolet Tahoe

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Easy install and very detailed instructions!

Pros: Easy to wire

Cons: None

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Works Perfectly!

John from Houston, TX on 1/16/2017

2007 Chevrolet Silverado (New Body Style

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Works like a champ! I have a 2007 Silverado with Steering Wheel Controls and OnStar. I wanted something to control the Steering Wheel but not OnStar since I don't pay for that service, and this does exactly that. Also, the voice looking button on the steering wheel activates Siri, so I can do voice commands like, Call John's Cell, Play Music, etc. while driving down the road.

Pros: Works as intended

Cons: None

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Crux CS-GM29 Wiring Interface

Crutchfield customer from Portland,TN on 12/1/2016

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Seamless install with these wiring harnesses

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Great wiring harness for GMC Sierra

Blake from Gainesville, FL on 11/23/2016

2008 GMC Sierra

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I was deciding on which wiring harness to use to install my kenwood ddx9903s in my 2010 GMC Sierra, and I ultimately decided on this harness in order to keep the vehicle warnings and the factory steering wheel controls. Install was almost all color matching and it all fit the car perfectly without any issues and turned out working great. It was definitely worth it to get the instal gear from Crutchfield with the radio because of the discount! No complaints!

Pros: Easy instal, keeps audiable warnings, able to use factory steering wheel controls with the radio, simple plug and play with the factory harness

Cons:

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1 of 1 found this helpful

Great product

Dave from Cape Coral, FL on 11/14/2016

2007 Chevrolet Silverado (New Body Style

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Everything plugged right in and worked perfect

Pros:

Cons:

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All you need if you don't need to retain onstar.

Jeral from Angleton, TX on 11/13/2016

2007 Chevrolet Silverado (New Body Style

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Works perfect, easy straight forward wiring diagram. Does what it says.

Pros: Easy to wire

Cons: Does not retain onstar but who cares!

Crutchfield response on

1 of 1 found this helpful

Easy install

Ryan from Davenport, IA on 11/11/2016

2011 Chevrolet Silverado 1500

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Awesome product and simple to use. The directions could be a little more thorough but over all. Worked perfect

Pros: Made everything super simple.

Cons: Directions could be a tad more thorough

Crutchfield response on

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Crux CS-GM29 Wiring Interface

Otis from Dearborn, MI on 10/26/2016

2008 Chevrolet Impala

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The Crux CS-GM29 Wiring Interface hooked up like it said it would. But the front speakers would fad in and out so I had to go in and run the speaker wire straight to the back of the aftermarket radio. And the volume controls on the steering wheel ever worked with Crux. The chimes work and they are louder then the factors.

Pros: Easy to install.

Cons: will call for a replacement box.

Crutchfield response on

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Crux CS-GM29 Wiring Interface

Crutchfield customer from Tallahassee, FL on 10/3/2016

2008 Chevrolet Silverado

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Easy install & everything worked as advertised. 2008 crew cab silverado

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Easy install

RMiller from Brookhaven, MS on 7/30/2016

2009 Chevrolet Silverado 1500

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Makes installation a breeze

Pros: Ease of installation

Cons: None

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Interface wiring

Kenneth from Madison, TN on 7/20/2016

2008 Chevrolet Impala

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love it, easy to install and also very inexpensive. And I also maintained my steering wheels control? :-)

Pros: Five Stars if I could rate higher it would be a 10.

Cons: NoNE

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Interface wiring

Russell m from Lake charles la on 5/23/2016

2008 GMC Sierra

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After pro audio gave me the wrong part I knew a made a mistake not looking at crutchfield first order wiring interface an right the first time .very nice person I want to thank yall for everything from now on I stick with crutchfield.

Pros: Five stare

Cons: None

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More details on the Crux CS-GM29 Wiring Interface

Stacey B.

Product Research

Features

Radio Replacement Interface: The CRUX CS-GM29 is a radio replacement interface for select GM LAN 29-bit vehicles. It facilitates the integration of an aftermarket radio and enables retention of factory features when replacing a factory installed radio in select GM vehicles (with or without factory-installed amps). This interface is also pre-programmed for retention of steering wheel controls.

Note: This interface does not retain the vehicle's factory OnStar, if equipped.

Vehicle Compatibility: The CRUX CS-GM29 radio replacement interface works with the following GM LAN 29-bit vehicles.

Make Model Year
Buick Enclave 2008-2015
Lucerne 2006-2011
Cadillac DTS 2006-2011
Escalade 2007-2014
SRX 2007-2009
Chevrolet Avalanche* 2007-2013
Equinox 2007-2008
Express Van** 2008-2013
Impala/Impala SS 2006-2013
Monte Carlo 2006-2007
Silverado 1500/2500/3500 Pickup* 2007-2013
Suburban* 2007-2014
Tahoe* 2007-2014
Traverse 2009-2015
GMC Acaida 2007-2015
Savana** 2008-2013
Sierra 1500/2500/3500 Pickup* 2007-2013
Yukon* 2007-2014
Hummer H2 2008-2009
Pontiac Torrent 2007-2009
Saturn Outlook 2007-2010
Vue 2008-2010
Suzuki XL7 2007-2008

Notes:

  • *Not compatible with 2012-up SUVs/Trucks that are equipped with factory-installed navigation radios.
  • **Not compatible with Express & Savana vans that are powered by a diesel engine.

Amplified or Non-Amplified Systems: The CRUX CS-GM29 can be used in GM vehicles with or without a factory amplified system. Its compatible with Bose, non-Bose, and Y-91 audio systems.

+12V Accessory Output: In many GM vehicles, there is no 12-volt accessory wire in the factory harness, which requires the installer to run an accessory wire to the fuse box or underneath the steering column when installing an aftermarket radio. The CS-GM29 is designed to provide a 12V/3A switched accessory output (red wire).

Warning Chimes: The Crux CS-GM29 retains factory warning & safety chimes through the use of an on-board speaker. The volume of the chime speaker is adjustable through a potentiometer on the interface module.

Retained Accessory Power (R.A.P.): The ignition power source of most GM vehicles keeps the radio on until one of the doors is opened; this feature is lost when replacing the factory radio with an aftermarket head unit without the proper installation accessories. The GS-GM29 is designed to retain the R.A.P. feature and keep the radio powered after the key is off, until the driver door is opened or the OEM timer ends; whichever happens first.

Navigation Outputs: The CRUX CS-GM29 radio replacement interface module provides a VSS (vehicle speed sense) and a Reverse Gear output to make installing an aftermarket Navigation radio simpler and less time consuming.

Backup Camera Retention: The CS-GM29 allows you to retain your GM vehicle's backup camera through the included backup camera harness with male composite video connector. Your in-dash aftermarket stereo must have a composite video camera input and a built-in video monitor.

Steering Wheel Control Retention: The CRUX CS-GM29 also features a steering wheel control output for Pioneer, Sony, Alpine, Clarion, Kenwood, JVC, and Blaupunkt aftermarket head units. The steering wheel control output consists of a right-angle 3.5mm connector and a light blue/yellow wire (use the connection that your aftermarket head unit is fitted with). The CS-GM29 interface module will work with any of the listed aftermarket head units, by setting its three dip-switches (see owner's manual for appropriate setting).

Note: The steering wheel control harness features two 4-pin connectors, two 3.5mm connectors, and one blue/yellow wire. You will only plug in one of the 4-pin connectors to the interface module and one of the 3.5mm connectors or blue/yellow wire into your aftermarket head unit you are installing (refer to owner's manual for which connection to use).

GM LAN 29 Harness: The included GM LAN 29 wiring harness features a 14-pin & 16-pin connector which plug into your vehicle's factory radio harness and a 16-pin & 8-pin connector which plug into the CS-GM29 interface module. The GM LAN 29 wiring harness also provides the following bare-wire leads which will need to be soldered or crimped to your aftermarket head unit's wiring harness:

Wire Color Function
Black Chassis Ground
Red +12 Volt Accessory
Yellow +12 Volt Constant
Orange Illumination
Blue/White Amp Turn-On
White Left Front Speaker +
White/Black Left Front Speaker -
Gray Right Front Speaker +
Gray/Black Right Front Speaker -
Green Left Rear Speaker +
Green/Black Left Rear Speaker -
Violet Right Rear Speaker +
Violet/Black Right Rear Speaker -
Red/White Reverse Gear
Green/White VSS (Vehicle Speed Sense)

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Customer Q&A

Q
Crutchfield asked: Why did you buy this?
A
Help with of install [ R  May 27, 2019 ]
A
one stop shopping [ DANIEL  May 22, 2019 ]
A
I wanted to install an aftermarket stereo, and maintain my steering wheel controls, and not have to purchase a multitude of wiring harnesses and adapters; This Crux products takes care of everything in a small package. [ Nathan  Apr 29, 2019 ]
A
crutchfield recommended [ Glen  Apr 25, 2019 ]
A
My adviser, Doc, pointed out that this was a better option for me. Saved me $40! Don't hesitate to ask an adviser! [ Donald  Apr 11, 2019 ]
A
Recommend [ Dwight  Mar 05, 2019 ]
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Full kit for full radio install on a 2012 Chevy Silverado 1500. [ joshua  Jan 22, 2019 ]
A
Steering wheel controller [ david  Jan 07, 2019 ]
A
that was recommended [ J  Jan 04, 2019 ]
A
Recommended by advisor [ Steven  Dec 15, 2018 ]
A
required [ Wendy  Dec 11, 2018 ]
A
Sonny suggested it [ Eric  Nov 09, 2018 ]
A
keep steering wheel controls and factorly amp; [ Bobby  Sep 19, 2018 ]
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Recommended by your rep Adam [ John  Mar 23, 2018 ]
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The advisor and it retained the most features without having to have the cheap little speaker to retain the factory turn signal. [ Aaron  Aug 31, 2017 ]
A
Recommended [ Ralph  Dec 09, 2016 ]
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To keep the factory steering wheel controls, door chimes, and audible warnings [ Thomas  Nov 15, 2016 ]
A
simple installation [ David  Aug 24, 2016 ]
A
i wanted to maintain my steering wheel controls so they recommended this item [ Kenneth  Jul 02, 2016 ]
SHOW MORESHOW LESS

4 questions already asked

Q
What's the difference between this and PAC brand?
[ Comarade  Jan 18, 2019 ]
1 answer
A
For us the Cruz has better longevity. The PAC had a higher failure rate, we have had some of the Cruz to fail also but not as often
[ RICKY  Jan 18, 2019 ]
Q
Will this let me retain my factory Bluetooth steering wheel controls and factory Mic?
[ Ron  Apr 02, 2018 ]
3 answers
A
Hi there Ron, I believe that this wire harness will retain those factory features... it's a great product
[ Ricardo  Apr 03, 2018 ]
A
With this Interface I was able to keep all my steering wheel controls. Unfortunately, I wasn't able to use my factory mic. I own a 2013 GMC Sierra SLE w/o Bose.
[ Billy  Apr 03, 2018 ]
A
Yes it will. Not sure of the mic though. I don't use the Bluetooth mic feature.
[ Brian  Apr 02, 2018 ]
Q
Does this wiring kit have a blue remote turn on wire to add a aftermarket amp?
[ billy todd  May 07, 2017 ]
1 answer
A
I believe it does have both blue wires, one for remote and the other one I believe it's like a power wire.
[ Ricardo  May 07, 2017 ]
Q
will this(crux cs-gm29 wiring interface) work with the 2012 Chevy Tahoe LT, with Bose non-nav.? is there an option to keep onstar ?
[ Fruunk  Mar 12, 2017 ]
1 answer
A
You will want to contact an Advisor by phone (1-800-324-9695) or online chat to discuss compatibility with your factory system. They will be able to pull up your vehicle and see if this will integrate. If it does not, then they will also be able to discuss other options with you.
[ Kenny  Mar 14, 2017 ]  Staff

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