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Crux DKGM-49 Stereo Replacement Interface

Stereo Replacement Interface with Steering Wheel Control Retention and Double DIN Dash Kit for select 2006-2020 vehicles from GMC, Chevrolet, Buick

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• Stereo Replacement Interface with Dash Kit
• Fits select 2006-2020 vehicles from GMC, Chevrolet, Buick Vehicles
• Accommodates ISO Double DIN Mount
• Retain steering wheel controls and chime functions

See compatible vehicles Learn more about the dkgm49
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List price $201.60
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-36%

$129.60

 with warranty
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Description



Crux DKGM-49

The CRUX DKGM-49 is a premium interface for select General Motors LAN 29-Bit Vehicles. It facilitates the integration of an after-market radio to fully retain factory features in GM LAN 29-Bit vehicles with Bose Amplified and Non-Amplified Systems. It also includes a double-din dash kit replacement. This enhanced interface is also pre-programmed for retention of steering wheel controls.


Product Details:

  • Stereo Replacement with SWC Retention and Dash Kit for Double DIN Headunits
  • Compatible with select 2006-2020 vehicles from GMC, Chevrolet, Buick
  • Retains factory features in select GM LAN 29 Bit vehicles while functioning with an aftermarket radio
  • Pre-programmed to retain factory Steering Wheel Controls
  • iPhone Voice Recognition (VR) feature from SWC on Kenwood, Pioneer, Alpine and JVC radios
  • Supports Pick Up/End Call, Pick Up and Toggle between 1st and 2nd Incoming call, AVRCP Track, Seek
  • Supports Bose, non-Bose and Y-91 audio systems
  • Provides Factory RSE (Rear Seat Entertainment) activation
  • Requires Crux CRUX-2333A for RSE activation (sold separately)
  • Retains factory front and back park assist system
  • Retains factory chime functions from vehicle
  • EIA color coded wiring for easy and hassle free installation
  • High-grade ABS plastic construction
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Frequently Asked Questions (FAQ)


This usually means the factory amplifier hasn't been "triggered." Ensure the Blue/White "Amp Turn-On" wire from your new radio's harness is securely connected to the Blue/White wire on the Crux harness to wake up the Bose amp.
Check the DIP switches on the side of the Crux module. They must be set specifically for your radio brand before plugging it into the car. Refer to the Crux chart (e.g., Pioneer is usually 1, 2, and 3 ON) and reset the unit.
Yes. There is a small potentiometer (adjustment dial) on the side of the Crux black box. Use a small screwdriver to turn it counter-clockwise to lower the chime volume to your preference without affecting your music volume.
In GM vehicles, the radio should stay on until you open the driver’s door (RAP feature). If it stays on after opening the door, ensure the Pink "Ignition" wire isn't accidentally touching a constant 12V power source.
This happens if the Yellow (Constant) and Red (Accessory) wires are swapped. Double-check that the Yellow wire from the Crux harness is connected to the Yellow wire of your radio, and Red is connected to Red.
This is the Illumination wire. Connect it to the "Illumination" or "Dimmer" wire on your aftermarket radio. This allows your radio screen to automatically dim when you turn your vehicle's headlights on at night.
No. The DKGM-49 is designed to pull all necessary power from the factory 44-pin plug. As long as your factory radio was working, this interface will provide the $12V$ constant and switched power your new head unit requires.
The DKGM-49 supports major functions like Volume and Track. However, in some older GM vehicles, the OnStar/Voice button is hard-wired to the factory OnStar system and cannot be remapped to trigger Siri or Google Assistant.

Compatible Vehicles


Please use our Fitment Guide to determine specific compatibility for the submodel and audio features

The vehicle you have selected 2016 Audi A3 is not compatible. Change vehicle or See list of compatible similar products


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Specifications & Details


Installation Kit Specifications
Primary Color
Black
Dash Kit Color
Black
Compatible Stereo Size
Double DIN
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

DKGM-49

Weight:

0.80lbs

Internal SKU:

dkgm49

Internal Product ID:

112431

Customer Ratings & Reviews


Crux DKGM-49 Stereo Replacement Interface thumbnail image

5 star
78%
4 star
17%
3 star
2%
2 star
0%
1 star
2%



Durability
4.6
Value
4.9
Features
4.9
Design
4.5
Usability
4.9

Customer Photos & Videos


Customer Reviews

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Great products

Product works great all chimes and controls work perfect and bracket has a oem look, but my complaint is with shipping...... I ordered on the 15th was supposed to arrive on the 18th but didn’t get it till the 23rd so if time is a issue try looking on Amazon first

By Walter on December 25, 2020 Checkmark Icon Verified purchase

55 found this helpful


Great kit with better than expected results.

Installed on 2013 Chevrolet Silverado with factory stereo and speakers (non-Bose)
Stereo installed Kenwood DPX505BT

This installation was surprisingly quick and easy to create a factory fit and finish with minimal effort. I was able to tuck most of the wiring and interface module behind the molded stereo cavity leaving plenty of room for the new stereo.

Installation of the right and left plastic brackets to the face is kind of tricky. (note they are right and left)

Due to the design the screws included with the 505BT were not quite long enough. luckily I had some slightly longer spares on hand.

The finished product looks great. Complaints are few. The audible tone coming from the interface isn't of the highest quality but it gets the job done. The graphics on the included instructions were poor as the saturation of toner at time of printing was extremely high making the graphic fruitless.

By james on January 3, 2023 Checkmark Icon Verified purchase

53 found this helpful


Didn't work for me

I bought this thinking that it was a great deal and didn't need to keep the onstar in my 2008 Saturn outlook as it was older. I hooked up all the wires and tried it out and the sound and all worked great except for the backup assist which has 3 lights to show how close you are getting to something. I sent it back and got a replacement what Sonic electronics was great with. The 2nd one had the exact same problem. If I put the original radio in it worked perfectly so it was the harness. Decided to get a more expensive one and just put it in and now it works great, After have 2 different ones that had the same problem I cannot recommend this one.

By Nathan on August 6, 2016 Checkmark Icon Verified purchase

51 found this helpful


Nice kit for the price!

Definitely recommend this combo kit! The only thing I had an issue with was the fact that it didn’t come with an antenna adapter. Other than that no complaints at all!

By Cody on January 14, 2018

49 found this helpful


Awesome

Its a great product I just ordered the wrong thing

By Eric on September 24, 2023 Checkmark Icon Verified purchase

37 found this helpful


Great!

In the case you need car radio unlock codes for any type of radios you can use https://radiocodegenerator.com/ or https://carradiounlock.com/ to generate them. It could be very useful for this type of radios.

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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.